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added clang format, its 90% ok

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merge-requests/2/head
_xeroxz 4 years ago
parent fc46c63445
commit 4832530dfb
25 changed files with 2160 additions and 2469 deletions
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18
.clang-format
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@ -0,0 +1,18 @@
---
BasedOnStyle: Microsoft
AlignAfterOpenBracket: Align
AllowAllArgumentsOnNextLine: 'true'
AllowAllParametersOfDeclarationOnNextLine: 'true'
AllowShortIfStatementsOnASingleLine: Never
BreakBeforeBraces: Allman
IndentWidth: '4'
Language: Cpp
NamespaceIndentation: All
SpacesInAngles: 'true'
SpacesInCStyleCastParentheses: 'true'
SpacesInContainerLiterals: 'true'
SpacesInParentheses: 'true'
SpacesInSquareBrackets: 'true'
UseTab: Never
...

281
include/transform.hpp
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@ -1,8 +1,8 @@
#pragma once #pragma once
#include <map>
#include <Zydis/Zydis.h> #include <Zydis/Zydis.h>
#include <stdexcept>
#include <functional> #include <functional>
#include <map>
#include <stdexcept>
#include <vmutils.h> #include <vmutils.h>
namespace vm namespace vm
@ -10,23 +10,23 @@ namespace vm
namespace transform namespace transform
{ {
// taken from ida... // taken from ida...
template<class T> inline T __ROL__(T value, int count) template < class T > inline T __ROL__( T value, int count )
{ {
const unsigned int nbits = sizeof(T) * 8; const unsigned int nbits = sizeof( T ) * 8;
if (count > 0) if ( count > 0 )
{ {
count %= nbits; count %= nbits;
T high = value >> (nbits - count); T high = value >> ( nbits - count );
if (T(-1) < 0) // signed value if ( T( -1 ) < 0 ) // signed value
high &= ~((T(-1) << count)); high &= ~( ( T( -1 ) << count ) );
value <<= count; value <<= count;
value |= high; value |= high;
} }
else else
{ {
count = -count % nbits; count = -count % nbits;
T low = value << (nbits - count); T low = value << ( nbits - count );
value >>= count; value >>= count;
value |= low; value |= low;
} }
@ -34,17 +34,40 @@ namespace vm
} }
// taken from ida... // taken from ida...
inline u8 __ROL1__(u8 value, int count) { return __ROL__((u8)value, count); } inline u8 __ROL1__( u8 value, int count )
inline u16 __ROL2__(u16 value, int count) { return __ROL__((u16)value, count); } {
inline u32 __ROL4__(u32 value, int count) { return __ROL__((u32)value, count); } return __ROL__( ( u8 )value, count );
inline u64 __ROL8__(u64 value, int count) { return __ROL__((u64)value, count); } }
inline u8 __ROR1__(u8 value, int count) { return __ROL__((u8)value, -count); } inline u16 __ROL2__( u16 value, int count )
inline u16 __ROR2__(u16 value, int count) { return __ROL__((u16)value, -count); } {
inline u32 __ROR4__(u32 value, int count) { return __ROL__((u32)value, -count); } return __ROL__( ( u16 )value, count );
inline u64 __ROR8__(u64 value, int count) { return __ROL__((u64)value, -count); } }
inline u32 __ROL4__( u32 value, int count )
template <typename T> {
using transform_t = std::function<T(T, T)>; return __ROL__( ( u32 )value, count );
}
inline u64 __ROL8__( u64 value, int count )
{
return __ROL__( ( u64 )value, count );
}
inline u8 __ROR1__( u8 value, int count )
{
return __ROL__( ( u8 )value, -count );
}
inline u16 __ROR2__( u16 value, int count )
{
return __ROL__( ( u16 )value, -count );
}
inline u32 __ROR4__( u32 value, int count )
{
return __ROL__( ( u32 )value, -count );
}
inline u64 __ROR8__( u64 value, int count )
{
return __ROL__( ( u64 )value, -count );
}
template < typename T > using transform_t = std::function< T( T, T ) >;
enum class type enum class type
{ {
@ -56,153 +79,107 @@ namespace vm
update_key update_key
}; };
using map_t = std::map<transform::type, zydis_decoded_instr_t>; using map_t = std::map< transform::type, zydis_decoded_instr_t >;
template <class T> template < class T >
inline const auto _bswap = [](T a, T b) -> T inline const auto _bswap = []( T a, T b ) -> T {
{ if constexpr ( std::is_same_v< T, std::uint64_t > )
if constexpr (std::is_same_v<T, std::uint64_t>) return _byteswap_uint64( a );
return _byteswap_uint64(a); if constexpr ( std::is_same_v< T, std::uint32_t > )
if constexpr (std::is_same_v<T, std::uint32_t>) return _byteswap_ulong( a );
return _byteswap_ulong(a); if constexpr ( std::is_same_v< T, std::uint16_t > )
if constexpr (std::is_same_v<T, std::uint16_t>) return _byteswap_ushort( a );
return _byteswap_ushort(a);
throw std::invalid_argument("invalid type size..."); throw std::invalid_argument( "invalid type size..." );
}; };
template <class T> template < class T > inline const auto _add = []( T a, T b ) -> T { return a + b; };
inline const auto _add = [](T a, T b) -> T
{
return a + b;
};
template <class T> template < class T > inline const auto _xor = []( T a, T b ) -> T { return a ^ b; };
inline const auto _xor = [](T a, T b) -> T
{
return a ^ b;
};
template <class T> template < class T > inline const auto _sub = []( T a, T b ) -> T { return a - b; };
inline const auto _sub = [](T a, T b) -> T
{
return a - b;
};
template <class T> template < class T > inline const auto _neg = []( T a, T b ) -> T { return a * -1; };
inline const auto _neg = [](T a, T b) -> T
{
return a * -1;
};
template <class T> template < class T > inline const auto _not = []( T a, T b ) -> T { return ~a; };
inline const auto _not = [](T a, T b) -> T
{
return ~a;
};
template <class T> template < class T >
inline const auto _ror = [](T a, T b) -> T inline const auto _ror = []( T a, T b ) -> T {
{ if constexpr ( std::is_same_v< T, std::uint64_t > )
if constexpr (std::is_same_v<T, std::uint64_t>) return __ROR8__( a, b );
return __ROR8__(a, b); if constexpr ( std::is_same_v< T, std::uint32_t > )
if constexpr (std::is_same_v<T, std::uint32_t>) return __ROR4__( a, b );
return __ROR4__(a, b); if constexpr ( std::is_same_v< T, std::uint16_t > )
if constexpr (std::is_same_v<T, std::uint16_t>) return __ROR2__( a, b );
return __ROR2__(a, b); if constexpr ( std::is_same_v< T, std::uint8_t > )
if constexpr (std::is_same_v <T, std::uint8_t>) return __ROR1__( a, b );
return __ROR1__(a, b);
throw std::invalid_argument("invalid type size..."); throw std::invalid_argument( "invalid type size..." );
}; };
template <class T> template < class T >
inline const auto _rol = [](T a, T b) -> T inline const auto _rol = []( T a, T b ) -> T {
{ if constexpr ( std::is_same_v< T, std::uint64_t > )
if constexpr (std::is_same_v<T, std::uint64_t>) return __ROL8__( a, b );
return __ROL8__(a, b); if constexpr ( std::is_same_v< T, std::uint32_t > )
if constexpr (std::is_same_v<T, std::uint32_t>) return __ROL4__( a, b );
return __ROL4__(a, b); if constexpr ( std::is_same_v< T, std::uint16_t > )
if constexpr (std::is_same_v<T, std::uint16_t>) return __ROL2__( a, b );
return __ROL2__(a, b); if constexpr ( std::is_same_v< T, std::uint8_t > )
if constexpr (std::is_same_v <T, std::uint8_t>) return __ROL1__( a, b );
return __ROL1__(a, b);
throw std::invalid_argument( "invalid type size..." );
throw std::invalid_argument("invalid type size...");
}; };
template <class T> template < class T > inline const auto _inc = []( T a, T b ) -> T { return a + 1; };
inline const auto _inc = [](T a, T b) -> T
{
return a + 1;
};
template <class T> template < class T > inline const auto _dec = []( T a, T b ) -> T { return a - 1; };
inline const auto _dec = [](T a, T b) -> T
{
return a - 1;
};
template <class T> template < class T >
inline std::map<ZydisMnemonic, transform_t<T>> transforms = inline std::map< ZydisMnemonic, transform_t< T > > transforms = {
{ { ZYDIS_MNEMONIC_ADD, _add< T > }, { ZYDIS_MNEMONIC_XOR, _xor< T > }, { ZYDIS_MNEMONIC_BSWAP, _bswap< T > },
{ ZYDIS_MNEMONIC_ADD, _add<T> }, { ZYDIS_MNEMONIC_SUB, _sub< T > }, { ZYDIS_MNEMONIC_NEG, _neg< T > }, { ZYDIS_MNEMONIC_NOT, _not< T > },
{ ZYDIS_MNEMONIC_XOR, _xor<T> }, { ZYDIS_MNEMONIC_ROR, _ror< T > }, { ZYDIS_MNEMONIC_ROL, _rol< T > }, { ZYDIS_MNEMONIC_INC, _inc< T > },
{ ZYDIS_MNEMONIC_BSWAP, _bswap<T> }, { ZYDIS_MNEMONIC_DEC, _dec< T > } };
{ ZYDIS_MNEMONIC_SUB, _sub<T>},
{ ZYDIS_MNEMONIC_NEG, _neg<T>},
{ ZYDIS_MNEMONIC_NOT, _not<T>},
{ ZYDIS_MNEMONIC_ROR, _ror<T>},
{ ZYDIS_MNEMONIC_ROL, _rol<T>},
{ ZYDIS_MNEMONIC_INC, _inc<T>},
{ ZYDIS_MNEMONIC_DEC, _dec<T>}
};
inline std::map<ZydisMnemonic, ZydisMnemonic> inverse = inline std::map< ZydisMnemonic, ZydisMnemonic > inverse = {
{ { ZYDIS_MNEMONIC_ADD, ZYDIS_MNEMONIC_SUB }, { ZYDIS_MNEMONIC_XOR, ZYDIS_MNEMONIC_XOR },
{ZYDIS_MNEMONIC_ADD, ZYDIS_MNEMONIC_SUB}, { ZYDIS_MNEMONIC_BSWAP, ZYDIS_MNEMONIC_BSWAP }, { ZYDIS_MNEMONIC_SUB, ZYDIS_MNEMONIC_ADD },
{ZYDIS_MNEMONIC_XOR, ZYDIS_MNEMONIC_XOR}, { ZYDIS_MNEMONIC_NEG, ZYDIS_MNEMONIC_NEG }, { ZYDIS_MNEMONIC_NOT, ZYDIS_MNEMONIC_NOT },
{ZYDIS_MNEMONIC_BSWAP, ZYDIS_MNEMONIC_BSWAP}, { ZYDIS_MNEMONIC_ROR, ZYDIS_MNEMONIC_ROL }, { ZYDIS_MNEMONIC_ROL, ZYDIS_MNEMONIC_ROR },
{ZYDIS_MNEMONIC_SUB, ZYDIS_MNEMONIC_ADD}, { ZYDIS_MNEMONIC_INC, ZYDIS_MNEMONIC_DEC }, { ZYDIS_MNEMONIC_DEC, ZYDIS_MNEMONIC_INC } };
{ZYDIS_MNEMONIC_NEG, ZYDIS_MNEMONIC_NEG},
{ZYDIS_MNEMONIC_NOT, ZYDIS_MNEMONIC_NOT},
{ZYDIS_MNEMONIC_ROR, ZYDIS_MNEMONIC_ROL},
{ZYDIS_MNEMONIC_ROL, ZYDIS_MNEMONIC_ROR},
{ZYDIS_MNEMONIC_INC, ZYDIS_MNEMONIC_DEC},
{ZYDIS_MNEMONIC_DEC, ZYDIS_MNEMONIC_INC}
};
inline void inverse_transforms(transform::map_t& transforms, transform::map_t& inverse) inline void inverse_transforms( transform::map_t &transforms, transform::map_t &inverse )
{ {
inverse[transform::type::generic0] = transforms[transform::type::generic0]; inverse[ transform::type::generic0 ] = transforms[ transform::type::generic0 ];
inverse[transform::type::generic0].mnemonic = inverse[ transform::type::generic0 ].mnemonic =
transform::inverse[transforms[transform::type::generic0].mnemonic]; transform::inverse[ transforms[ transform::type::generic0 ].mnemonic ];
inverse[transform::type::rolling_key] = transforms[transform::type::rolling_key]; inverse[ transform::type::rolling_key ] = transforms[ transform::type::rolling_key ];
inverse[transform::type::rolling_key].mnemonic = inverse[ transform::type::rolling_key ].mnemonic =
transform::inverse[transforms[transform::type::rolling_key].mnemonic]; transform::inverse[ transforms[ transform::type::rolling_key ].mnemonic ];
inverse[transform::type::generic1] = transforms[transform::type::generic1]; inverse[ transform::type::generic1 ] = transforms[ transform::type::generic1 ];
inverse[transform::type::generic1].mnemonic = inverse[ transform::type::generic1 ].mnemonic =
transform::inverse[transforms[transform::type::generic1].mnemonic]; transform::inverse[ transforms[ transform::type::generic1 ].mnemonic ];
inverse[transform::type::generic2] = transforms[transform::type::generic2]; inverse[ transform::type::generic2 ] = transforms[ transform::type::generic2 ];
inverse[transform::type::generic2].mnemonic = inverse[ transform::type::generic2 ].mnemonic =
transform::inverse[transforms[transform::type::generic2].mnemonic]; transform::inverse[ transforms[ transform::type::generic2 ].mnemonic ];
inverse[transform::type::generic3] = transforms[transform::type::generic3]; inverse[ transform::type::generic3 ] = transforms[ transform::type::generic3 ];
inverse[transform::type::generic3].mnemonic = inverse[ transform::type::generic3 ].mnemonic =
transform::inverse[transforms[transform::type::generic3].mnemonic]; transform::inverse[ transforms[ transform::type::generic3 ].mnemonic ];
inverse[transform::type::update_key] = transforms[transform::type::update_key]; inverse[ transform::type::update_key ] = transforms[ transform::type::update_key ];
inverse[transform::type::update_key].mnemonic = inverse[ transform::type::update_key ].mnemonic =
transform::inverse[transforms[transform::type::update_key].mnemonic]; transform::inverse[ transforms[ transform::type::update_key ].mnemonic ];
} }
inline auto inverse_transform(std::vector<zydis_decoded_instr_t>& instrs) -> bool inline auto inverse_transform( std::vector< zydis_decoded_instr_t > &instrs ) -> bool
{ {
for (auto idx = 0u; idx < instrs.size() - 1; ++idx) for ( auto idx = 0u; idx < instrs.size() - 1; ++idx )
if (!(instrs[idx].mnemonic = inverse[instrs[idx].mnemonic])) if ( !( instrs[ idx ].mnemonic = inverse[ instrs[ idx ].mnemonic ] ) )
return false; return false;
return true; return true;
@ -211,28 +188,26 @@ namespace vm
// max size of a and b is 64 bits, a and b is then converted to // max size of a and b is 64 bits, a and b is then converted to
// the number of bits in bitsize, the transformation is applied, // the number of bits in bitsize, the transformation is applied,
// finally the result is converted back to 64bits... zero extended... // finally the result is converted back to 64bits... zero extended...
inline auto apply(std::uint8_t bitsize, ZydisMnemonic op, inline auto apply( std::uint8_t bitsize, ZydisMnemonic op, std::uint64_t a, std::uint64_t b ) -> std::uint64_t
std::uint64_t a, std::uint64_t b) -> std::uint64_t
{ {
switch (bitsize) switch ( bitsize )
{ {
case 8: case 8:
return transforms<std::uint8_t>[op](a, b); return transforms< std::uint8_t >[ op ]( a, b );
case 16: case 16:
return transforms<std::uint16_t>[op](a, b); return transforms< std::uint16_t >[ op ]( a, b );
case 32: case 32:
return transforms<std::uint32_t>[op](a, b); return transforms< std::uint32_t >[ op ]( a, b );
case 64: case 64:
return transforms<std::uint64_t>[op](a, b); return transforms< std::uint64_t >[ op ]( a, b );
default: default:
throw std::invalid_argument("invalid bit size..."); throw std::invalid_argument( "invalid bit size..." );
} }
} }
inline bool has_imm(zydis_decoded_instr_t* instr) inline bool has_imm( zydis_decoded_instr_t *instr )
{ {
return instr->operand_count > 1 && return instr->operand_count > 1 && ( instr->operands[ 1 ].type & ZYDIS_OPERAND_TYPE_IMMEDIATE );
(instr->operands[1].type & ZYDIS_OPERAND_TYPE_IMMEDIATE);
}
} }
} } // namespace transform
} // namespace vm

12
include/vmp2.hpp
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@ -54,19 +54,19 @@ namespace vmp2
u64 rax; u64 rax;
u64 rflags; u64 rflags;
}; };
u64 raw[16]; u64 raw[ 16 ];
} regs; } regs;
union union
{ {
u64 qword[0x28]; u64 qword[ 0x28 ];
u8 raw[0x140]; u8 raw[ 0x140 ];
} vregs; } vregs;
union union
{ {
u64 qword[0x20]; u64 qword[ 0x20 ];
u8 raw[0x100]; u8 raw[ 0x100 ];
} vsp; } vsp;
}; };
} } // namespace vmp2

77
include/vmprofiler.hpp
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@ -5,25 +5,24 @@ namespace vm
{ {
namespace calc_jmp namespace calc_jmp
{ {
bool get(const zydis_routine_t& vm_entry, zydis_routine_t& calc_jmp); bool get( const zydis_routine_t &vm_entry, zydis_routine_t &calc_jmp );
} }
namespace instrs namespace instrs
{ {
// decrypt transformations for encrypted virtual instruction rva... // decrypt transformations for encrypted virtual instruction rva...
bool get_rva_decrypt(const zydis_routine_t& vm_entry, bool get_rva_decrypt( const zydis_routine_t &vm_entry, std::vector< zydis_decoded_instr_t > &transform_instrs );
std::vector<zydis_decoded_instr_t>& transform_instrs);
std::pair<std::uint64_t, std::uint64_t> decrypt_operand(transform::map_t& transforms, std::pair< std::uint64_t, std::uint64_t > decrypt_operand( transform::map_t &transforms, std::uint64_t operand,
std::uint64_t operand, std::uint64_t rolling_key); std::uint64_t rolling_key );
std::pair<std::uint64_t, std::uint64_t> encrypt_operand(transform::map_t& transforms, std::pair< std::uint64_t, std::uint64_t > encrypt_operand( transform::map_t &transforms, std::uint64_t operand,
std::uint64_t operand, std::uint64_t rolling_key); std::uint64_t rolling_key );
} } // namespace instrs
namespace handler namespace handler
{ {
using instr_callback_t = bool(*)(const zydis_decoded_instr_t& instr); using instr_callback_t = bool ( * )( const zydis_decoded_instr_t &instr );
enum mnemonic_t enum mnemonic_t
{ {
@ -76,10 +75,10 @@ namespace vm
struct profile_t struct profile_t
{ {
const char* name; const char *name;
mnemonic_t mnemonic; mnemonic_t mnemonic;
u8 imm_size; u8 imm_size;
std::vector<instr_callback_t> signature; std::vector< instr_callback_t > signature;
extention_t extention; extention_t extention;
}; };
@ -87,31 +86,31 @@ namespace vm
{ {
u8 imm_size; // size in bits... u8 imm_size; // size in bits...
vm::transform::map_t transforms; vm::transform::map_t transforms;
vm::handler::profile_t* profile; vm::handler::profile_t *profile;
zydis_routine_t instrs; zydis_routine_t instrs;
std::uintptr_t address; std::uintptr_t address;
}; };
bool has_imm(const zydis_routine_t& vm_handler); bool has_imm( const zydis_routine_t &vm_handler );
std::uint8_t imm_size(const zydis_routine_t& vm_handler); std::uint8_t imm_size( const zydis_routine_t &vm_handler );
bool get(zydis_routine_t& vm_entry, zydis_routine_t& vm_handler, std::uintptr_t handler_addr); bool get( zydis_routine_t &vm_entry, zydis_routine_t &vm_handler, std::uintptr_t handler_addr );
// may throw an exception... // may throw an exception...
bool get_all(std::uintptr_t module_base, std::uintptr_t image_base, bool get_all( std::uintptr_t module_base, std::uintptr_t image_base, zydis_routine_t &vm_entry,
zydis_routine_t& vm_entry, std::uintptr_t* vm_handler_table, std::vector<handler_t>& vm_handlers); std::uintptr_t *vm_handler_table, std::vector< handler_t > &vm_handlers );
// can be used on calc_jmp... // can be used on calc_jmp...
bool get_operand_transforms(const zydis_routine_t& vm_handler, transform::map_t& transforms); bool get_operand_transforms( const zydis_routine_t &vm_handler, transform::map_t &transforms );
vm::handler::profile_t* get_profile(handler_t& vm_handler); vm::handler::profile_t *get_profile( handler_t &vm_handler );
namespace table namespace table
{ {
std::uintptr_t* get(const zydis_routine_t& vm_entry); std::uintptr_t *get( const zydis_routine_t &vm_entry );
bool get_transform(const zydis_routine_t& vm_entry, zydis_decoded_instr_t* transform_instr); bool get_transform( const zydis_routine_t &vm_entry, zydis_decoded_instr_t *transform_instr );
std::uint64_t encrypt(zydis_decoded_instr_t& transform_instr, std::uint64_t val); std::uint64_t encrypt( zydis_decoded_instr_t &transform_instr, std::uint64_t val );
std::uint64_t decrypt(zydis_decoded_instr_t& transform_instr, std::uint64_t val); std::uint64_t decrypt( zydis_decoded_instr_t &transform_instr, std::uint64_t val );
} } // namespace table
namespace profile namespace profile
{ {
@ -149,24 +148,12 @@ namespace vm
extern vm::handler::profile_t readq; extern vm::handler::profile_t readq;
extern vm::handler::profile_t vmexit; extern vm::handler::profile_t vmexit;
inline std::vector<vm::handler::profile_t*> all = inline std::vector< vm::handler::profile_t * > all = {
{ &sregq, &sregdw, &sregw, &lregq, &lregdw, &lconstq, &lconstbzxw,
&sregq, &sregdw, &sregw, &lconstbsxdw, &lconstdwsxq, &lconstwsxq, &lconstdw, &addq, &adddw, &shlq,
&lregq, &lregdw, &shldw, &writeq, &writedw, &nandq, &nanddw,
&lconstq, &lconstbzxw, &lconstbsxdw, &lconstdwsxq, &lconstwsxq, &lconstdw,
&addq, &adddw, &shrq, &readq, &mulq, &pushvsp, &divq, &jmp, &vmexit };
&shlq, &shldw, } // namespace profile
&writeq, &writedw, } // namespace handler
&nandq, &nanddw, } // namespace vm
&shrq,
&readq,
&mulq,
&pushvsp,
&divq,
&jmp,
&vmexit
};
}
}
}

28
include/vmutils.h
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@ -1,7 +1,7 @@
#pragma once #pragma once
#include <vector>
#include <Zydis/Zydis.h>
#include <Zydis/Utils.h> #include <Zydis/Utils.h>
#include <Zydis/Zydis.h>
#include <vector>
#include <xmmintrin.h> #include <xmmintrin.h>
using u8 = unsigned char; using u8 = unsigned char;
@ -16,11 +16,11 @@ using zydis_register_t = ZydisRegister;
struct zydis_instr_t struct zydis_instr_t
{ {
zydis_decoded_instr_t instr; zydis_decoded_instr_t instr;
std::vector<u8> raw; std::vector< u8 > raw;
std::uintptr_t addr; std::uintptr_t addr;
}; };
using zydis_routine_t = std::vector<zydis_instr_t>; using zydis_routine_t = std::vector< zydis_instr_t >;
namespace vm namespace vm
{ {
@ -29,15 +29,15 @@ namespace vm
namespace reg namespace reg
{ {
// converts say... AL to RAX... // converts say... AL to RAX...
zydis_register_t to64(zydis_register_t reg); zydis_register_t to64( zydis_register_t reg );
bool compare(zydis_register_t a, zydis_register_t b); bool compare( zydis_register_t a, zydis_register_t b );
} } // namespace reg
void print(zydis_routine_t& routine); void print( zydis_routine_t &routine );
void print(const zydis_decoded_instr_t& instr); void print( const zydis_decoded_instr_t &instr );
bool is_jmp(const zydis_decoded_instr_t& instr); bool is_jmp( const zydis_decoded_instr_t &instr );
bool flatten(zydis_routine_t& routine, std::uintptr_t routine_addr, bool keep_jmps = false); bool flatten( zydis_routine_t &routine, std::uintptr_t routine_addr, bool keep_jmps = false );
void deobfuscate(zydis_routine_t& routine); void deobfuscate( zydis_routine_t &routine );
} } // namespace util
} } // namespace vm

32
src/calc_jmp.cpp
Unescape View File

@ -4,30 +4,28 @@ namespace vm
{ {
namespace calc_jmp namespace calc_jmp
{ {
bool get(const zydis_routine_t& vm_entry, zydis_routine_t& calc_jmp) bool get( const zydis_routine_t &vm_entry, zydis_routine_t &calc_jmp )
{
auto result = std::find_if(vm_entry.begin(), vm_entry.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
auto result =
std::find_if( vm_entry.begin(), vm_entry.end(), []( const zydis_instr_t &instr_data ) -> bool {
// mov/movsx/movzx rax/eax/ax/al, [rsi] // mov/movsx/movzx rax/eax/ax/al, [rsi]
if (instr_data.instr.operand_count > 1 && if ( instr_data.instr.operand_count > 1 &&
(instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV || ( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX || instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX) && instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX ) &&
instr_data.instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr_data.instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
util::reg::to64(instr_data.instr.operands[0].reg.value) == ZYDIS_REGISTER_RAX && util::reg::to64( instr_data.instr.operands[ 0 ].reg.value ) == ZYDIS_REGISTER_RAX &&
instr_data.instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr_data.instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr_data.instr.operands[1].mem.base == ZYDIS_REGISTER_RSI) instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSI )
return true; return true;
return false; return false;
} } );
);
if (result == vm_entry.end()) if ( result == vm_entry.end() )
return false; return false;
calc_jmp.insert(calc_jmp.end(), result, vm_entry.end()); calc_jmp.insert( calc_jmp.end(), result, vm_entry.end() );
return true; return true;
} }
} } // namespace calc_jmp
} } // namespace vm

367
src/vmhandler.cpp
Unescape View File

@ -4,282 +4,244 @@ namespace vm
{ {
namespace handler namespace handler
{ {
bool get(zydis_routine_t& calc_jmp, zydis_routine_t& vm_handler, std::uintptr_t handler_addr) bool get( zydis_routine_t &calc_jmp, zydis_routine_t &vm_handler, std::uintptr_t handler_addr )
{ {
if (!vm::util::flatten(vm_handler, handler_addr)) if ( !vm::util::flatten( vm_handler, handler_addr ) )
return false; return false;
vm::util::deobfuscate(vm_handler); vm::util::deobfuscate( vm_handler );
static const auto calc_jmp_check = static const auto calc_jmp_check = [ & ]( std::uintptr_t addr ) -> bool {
[&](std::uintptr_t addr) -> bool for ( const auto &[ instr, instr_raw, instr_addr ] : calc_jmp )
{ if ( instr_addr == addr )
for (const auto& [instr, instr_raw, instr_addr] : calc_jmp)
if (instr_addr == addr)
return true; return true;
return false; return false;
}; };
auto result = std::find_if( auto result = std::find_if( vm_handler.begin(), vm_handler.end(), []( const zydis_instr_t &instr ) -> bool {
vm_handler.begin(), vm_handler.end(), if ( instr.instr.mnemonic == ZYDIS_MNEMONIC_LEA &&
[](const zydis_instr_t& instr) -> bool instr.instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
{ instr.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RDI &&
if (instr.instr.mnemonic == ZYDIS_MNEMONIC_LEA && instr.instr.operands[ 1 ].mem.disp.value == 0xE0 )
instr.instr.operands[0].reg.value == ZYDIS_REGISTER_RAX &&
instr.instr.operands[1].mem.base == ZYDIS_REGISTER_RDI &&
instr.instr.operands[1].mem.disp.value == 0xE0)
return true; return true;
return calc_jmp_check(instr.addr); return calc_jmp_check( instr.addr );
} } );
);
// remove calc_jmp from the vm handler vector... // remove calc_jmp from the vm handler vector...
if (result != vm_handler.end()) if ( result != vm_handler.end() )
vm_handler.erase(result, vm_handler.end()); vm_handler.erase( result, vm_handler.end() );
else // locate the last mov al, [rsi], else // locate the last mov al, [rsi],
// then remove all instructions after that... // then remove all instructions after that...
{ {
zydis_routine_t::iterator last = vm_handler.end(); zydis_routine_t::iterator last = vm_handler.end();
result = vm_handler.begin(); result = vm_handler.begin();
while (result != vm_handler.end()) while ( result != vm_handler.end() )
{
result = std::find_if(
++result, vm_handler.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
result = std::find_if( ++result, vm_handler.end(), []( const zydis_instr_t &instr_data ) -> bool {
// mov/movsx/movzx rax/eax/ax/al, [rsi] // mov/movsx/movzx rax/eax/ax/al, [rsi]
if (instr_data.instr.operand_count > 1 && if ( instr_data.instr.operand_count > 1 &&
(instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV || ( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX || instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX) && instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX ) &&
instr_data.instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr_data.instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
util::reg::to64(instr_data.instr.operands[0].reg.value) == ZYDIS_REGISTER_RAX && util::reg::to64( instr_data.instr.operands[ 0 ].reg.value ) == ZYDIS_REGISTER_RAX &&
instr_data.instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr_data.instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr_data.instr.operands[1].mem.base == ZYDIS_REGISTER_RSI) instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSI )
return true; return true;
return false; return false;
} } );
);
if (result != vm_handler.end()) if ( result != vm_handler.end() )
last = result; last = result;
} }
if (last != vm_handler.end()) if ( last != vm_handler.end() )
vm_handler.erase(last, vm_handler.end()); vm_handler.erase( last, vm_handler.end() );
} }
return true; return true;
} }
bool get_all(std::uintptr_t module_base, std::uintptr_t image_base, bool get_all( std::uintptr_t module_base, std::uintptr_t image_base, zydis_routine_t &vm_entry,
zydis_routine_t& vm_entry, std::uintptr_t* vm_handler_table, std::vector<vm::handler::handler_t>& vm_handlers) std::uintptr_t *vm_handler_table, std::vector< vm::handler::handler_t > &vm_handlers )
{ {
zydis_decoded_instr_t instr; zydis_decoded_instr_t instr;
if (!vm::handler::table::get_transform(vm_entry, &instr)) if ( !vm::handler::table::get_transform( vm_entry, &instr ) )
return false; return false;
zydis_routine_t calc_jmp; zydis_routine_t calc_jmp;
if (!vm::calc_jmp::get(vm_entry, calc_jmp)) if ( !vm::calc_jmp::get( vm_entry, calc_jmp ) )
return false; return false;
for (auto idx = 0u; idx < 256; ++idx) for ( auto idx = 0u; idx < 256; ++idx )
{ {
const auto decrypt_val = const auto decrypt_val = vm::handler::table::decrypt( instr, vm_handler_table[ idx ] );
vm::handler::table::decrypt(
instr, vm_handler_table[idx]);
handler_t vm_handler; handler_t vm_handler;
vm::transform::map_t transforms; vm::transform::map_t transforms;
zydis_routine_t vm_handler_instrs; zydis_routine_t vm_handler_instrs;
if (!vm::handler::get(calc_jmp, vm_handler_instrs, (decrypt_val - image_base) + module_base)) if ( !vm::handler::get( calc_jmp, vm_handler_instrs, ( decrypt_val - image_base ) + module_base ) )
return false; return false;
const auto has_imm = const auto has_imm = vm::handler::has_imm( vm_handler_instrs );
vm::handler::has_imm(vm_handler_instrs);
const auto imm_size = const auto imm_size = vm::handler::imm_size( vm_handler_instrs );
vm::handler::imm_size(vm_handler_instrs);
if (has_imm && !vm::handler::get_operand_transforms(vm_handler_instrs, transforms)) if ( has_imm && !vm::handler::get_operand_transforms( vm_handler_instrs, transforms ) )
return false; return false;
vm_handler.address = (decrypt_val - image_base) + module_base; vm_handler.address = ( decrypt_val - image_base ) + module_base;
vm_handler.instrs = vm_handler_instrs; vm_handler.instrs = vm_handler_instrs;
vm_handler.imm_size = imm_size; vm_handler.imm_size = imm_size;
vm_handler.transforms = transforms; vm_handler.transforms = transforms;
vm_handler.profile = vm::handler::get_profile(vm_handler); vm_handler.profile = vm::handler::get_profile( vm_handler );
vm_handlers.push_back(vm_handler); vm_handlers.push_back( vm_handler );
} }
return true; return true;
} }
bool has_imm(const zydis_routine_t& vm_handler) bool has_imm( const zydis_routine_t &vm_handler )
{
const auto result = std::find_if(
vm_handler.begin(), vm_handler.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
const auto result =
std::find_if( vm_handler.begin(), vm_handler.end(), []( const zydis_instr_t &instr_data ) -> bool {
// mov/movsx/movzx rax/eax/ax/al, [rsi] // mov/movsx/movzx rax/eax/ax/al, [rsi]
if (instr_data.instr.operand_count > 1 && if ( instr_data.instr.operand_count > 1 &&
(instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV || ( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX || instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX) && instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX ) &&
instr_data.instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr_data.instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
util::reg::to64(instr_data.instr.operands[0].reg.value) == ZYDIS_REGISTER_RAX && util::reg::to64( instr_data.instr.operands[ 0 ].reg.value ) == ZYDIS_REGISTER_RAX &&
instr_data.instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr_data.instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr_data.instr.operands[1].mem.base == ZYDIS_REGISTER_RSI) instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSI )
return true; return true;
return false; return false;
} } );
);
return result != vm_handler.end(); return result != vm_handler.end();
} }
std::uint8_t imm_size(const zydis_routine_t& vm_handler) std::uint8_t imm_size( const zydis_routine_t &vm_handler )
{
const auto result = std::find_if(
vm_handler.begin(), vm_handler.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
const auto result =
std::find_if( vm_handler.begin(), vm_handler.end(), []( const zydis_instr_t &instr_data ) -> bool {
// mov/movsx/movzx rax/eax/ax/al, [rsi] // mov/movsx/movzx rax/eax/ax/al, [rsi]
if (instr_data.instr.operand_count > 1 && if ( instr_data.instr.operand_count > 1 &&
(instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV || ( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX || instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX) && instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX ) &&
instr_data.instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr_data.instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
util::reg::to64(instr_data.instr.operands[0].reg.value) == ZYDIS_REGISTER_RAX && util::reg::to64( instr_data.instr.operands[ 0 ].reg.value ) == ZYDIS_REGISTER_RAX &&
instr_data.instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr_data.instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr_data.instr.operands[1].mem.base == ZYDIS_REGISTER_RSI) instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSI )
return true; return true;
return false; return false;
} } );
);
if (result == vm_handler.end()) if ( result == vm_handler.end() )
return 0u; return 0u;
return result->instr.operands[1].size; return result->instr.operands[ 1 ].size;
} }
bool get_operand_transforms(const zydis_routine_t& vm_handler, transform::map_t& transforms) bool get_operand_transforms( const zydis_routine_t &vm_handler, transform::map_t &transforms )
{
auto imm_fetch = std::find_if(
vm_handler.begin(), vm_handler.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
auto imm_fetch =
std::find_if( vm_handler.begin(), vm_handler.end(), []( const zydis_instr_t &instr_data ) -> bool {
// mov/movsx/movzx rax/eax/ax/al, [rsi] // mov/movsx/movzx rax/eax/ax/al, [rsi]
if (instr_data.instr.operand_count > 1 && if ( instr_data.instr.operand_count > 1 &&
(instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV || ( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX || instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX ||
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX) && instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX ) &&
instr_data.instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr_data.instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
util::reg::to64(instr_data.instr.operands[0].reg.value) == ZYDIS_REGISTER_RAX && util::reg::to64( instr_data.instr.operands[ 0 ].reg.value ) == ZYDIS_REGISTER_RAX &&
instr_data.instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr_data.instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr_data.instr.operands[1].mem.base == ZYDIS_REGISTER_RSI) instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSI )
return true; return true;
return false; return false;
} } );
);
if (imm_fetch == vm_handler.end()) if ( imm_fetch == vm_handler.end() )
return false; return false;
// this finds the first transformation which looks like: // this finds the first transformation which looks like:
// transform rax, rbx <--- note these registers can be smaller so we to64 them... // transform rax, rbx <--- note these registers can be smaller so we to64 them...
auto key_transform = std::find_if(imm_fetch, vm_handler.end(), auto key_transform =
[](const zydis_instr_t& instr_data) -> bool std::find_if( imm_fetch, vm_handler.end(), []( const zydis_instr_t &instr_data ) -> bool {
{ if ( util::reg::compare( instr_data.instr.operands[ 0 ].reg.value, ZYDIS_REGISTER_RAX ) &&
if (util::reg::compare(instr_data.instr.operands[0].reg.value, ZYDIS_REGISTER_RAX) && util::reg::compare( instr_data.instr.operands[ 1 ].reg.value, ZYDIS_REGISTER_RBX ) )
util::reg::compare(instr_data.instr.operands[1].reg.value, ZYDIS_REGISTER_RBX))
return true; return true;
return false; return false;
} } );
);
if (key_transform == vm_handler.end()) if ( key_transform == vm_handler.end() )
return false; return false;
// look for a primer/instruction that alters RAX prior to the 5 transformations... // look for a primer/instruction that alters RAX prior to the 5 transformations...
auto generic0 = std::find_if(imm_fetch + 1, key_transform, auto generic0 = std::find_if( imm_fetch + 1, key_transform, []( const zydis_instr_t &instr_data ) -> bool {
[](const zydis_instr_t& instr_data) -> bool return util::reg::compare( instr_data.instr.operands[ 0 ].reg.value, ZYDIS_REGISTER_RAX ) &&
{ !util::reg::compare( instr_data.instr.operands[ 1 ].reg.value, ZYDIS_REGISTER_RBX );
return util::reg::compare( } );
instr_data.instr.operands[0].reg.value, ZYDIS_REGISTER_RAX) &&
!util::reg::compare(instr_data.instr.operands[1].reg.value, ZYDIS_REGISTER_RBX);
}
);
zydis_decoded_instr_t nogeneric0; zydis_decoded_instr_t nogeneric0;
nogeneric0.mnemonic = ZYDIS_MNEMONIC_INVALID; nogeneric0.mnemonic = ZYDIS_MNEMONIC_INVALID;
transforms[transform::type::generic0] = transforms[ transform::type::generic0 ] = generic0 != key_transform ? generic0->instr : nogeneric0;
generic0 != key_transform ? generic0->instr : nogeneric0;
// last transformation is the same as the first except src and dest are swwapped... // last transformation is the same as the first except src and dest are swwapped...
transforms[transform::type::rolling_key] = key_transform->instr; transforms[ transform::type::rolling_key ] = key_transform->instr;
auto instr_copy = key_transform->instr; auto instr_copy = key_transform->instr;
instr_copy.operands[0].reg.value = key_transform->instr.operands[1].reg.value; instr_copy.operands[ 0 ].reg.value = key_transform->instr.operands[ 1 ].reg.value;
instr_copy.operands[1].reg.value = key_transform->instr.operands[0].reg.value; instr_copy.operands[ 1 ].reg.value = key_transform->instr.operands[ 0 ].reg.value;
transforms[transform::type::update_key] = instr_copy; transforms[ transform::type::update_key ] = instr_copy;
// three generic transformations... // three generic transformations...
auto generic_transform = key_transform; auto generic_transform = key_transform;
for (auto idx = 2u; idx < 5; ++idx) for ( auto idx = 2u; idx < 5; ++idx )
{ {
generic_transform = std::find_if(++generic_transform, vm_handler.end(), generic_transform =
[](const zydis_instr_t& instr_data) -> bool std::find_if( ++generic_transform, vm_handler.end(), []( const zydis_instr_t &instr_data ) -> bool {
{ if ( util::reg::compare( instr_data.instr.operands[ 0 ].reg.value, ZYDIS_REGISTER_RAX ) )
if (util::reg::compare(instr_data.instr.operands[0].reg.value, ZYDIS_REGISTER_RAX))
return true; return true;
return false; return false;
} } );
);
if (generic_transform == vm_handler.end()) if ( generic_transform == vm_handler.end() )
return false; return false;
transforms[(transform::type)(idx)] = generic_transform->instr; transforms[ ( transform::type )( idx ) ] = generic_transform->instr;
} }
return true; return true;
} }
vm::handler::profile_t* get_profile(handler_t& vm_handler) vm::handler::profile_t *get_profile( handler_t &vm_handler )
{ {
static const auto vcontains = static const auto vcontains = []( vm::handler::profile_t *vprofile, handler_t *vm_handler ) -> bool {
[](vm::handler::profile_t* vprofile, handler_t* vm_handler) -> bool if ( vprofile->imm_size != vm_handler->imm_size )
{
if (vprofile->imm_size != vm_handler->imm_size)
return false; return false;
for (auto& instr : vprofile->signature) for ( auto &instr : vprofile->signature )
{ {
const auto contains = std::find_if const auto contains = std::find_if(
( vm_handler->instrs.begin(), vm_handler->instrs.end(),
vm_handler->instrs.begin(),
vm_handler->instrs.end(),
[&](zydis_instr_t& instr_data) -> bool [ & ]( zydis_instr_t &instr_data ) -> bool { return instr( instr_data.instr ); } );
{ return instr(instr_data.instr); }
);
if (contains == vm_handler->instrs.end()) if ( contains == vm_handler->instrs.end() )
return false; return false;
} }
return true; return true;
}; };
for (auto profile : vm::handler::profile::all) for ( auto profile : vm::handler::profile::all )
if (vcontains(profile, &vm_handler)) if ( vcontains( profile, &vm_handler ) )
return profile; return profile;
return nullptr; return nullptr;
@ -287,113 +249,102 @@ namespace vm
namespace table namespace table
{ {
std::uintptr_t* get(const zydis_routine_t& vm_entry) std::uintptr_t *get( const zydis_routine_t &vm_entry )
{
const auto result = std::find_if(
vm_entry.begin(), vm_entry.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
const auto result =
std::find_if( vm_entry.begin(), vm_entry.end(), []( const zydis_instr_t &instr_data ) -> bool {
const auto instr = &instr_data.instr; const auto instr = &instr_data.instr;
// lea r12, vm_handlers... (always r12)... // lea r12, vm_handlers... (always r12)...
if (instr->mnemonic == ZYDIS_MNEMONIC_LEA && if ( instr->mnemonic == ZYDIS_MNEMONIC_LEA &&
instr->operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr->operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr->operands[0].reg.value == ZYDIS_REGISTER_R12 && instr->operands[ 0 ].reg.value == ZYDIS_REGISTER_R12 &&
!instr->raw.sib.base) // no register used for the sib base... !instr->raw.sib.base ) // no register used for the sib base...
return true; return true;
return false; return false;
} } );
);
if (result == vm_entry.end()) if ( result == vm_entry.end() )
return nullptr; return nullptr;
std::uintptr_t ptr = 0u; std::uintptr_t ptr = 0u;
ZydisCalcAbsoluteAddress(&result->instr, ZydisCalcAbsoluteAddress( &result->instr, &result->instr.operands[ 1 ], result->addr, &ptr );
&result->instr.operands[1], result->addr, &ptr);
return reinterpret_cast<std::uintptr_t*>(ptr); return reinterpret_cast< std::uintptr_t * >( ptr );
} }
bool get_transform(const zydis_routine_t& vm_entry, zydis_decoded_instr_t* transform_instr) bool get_transform( const zydis_routine_t &vm_entry, zydis_decoded_instr_t *transform_instr )
{ {
zydis_register_t rcx_or_rdx = ZYDIS_REGISTER_NONE; zydis_register_t rcx_or_rdx = ZYDIS_REGISTER_NONE;
auto handler_fetch = std::find_if( auto handler_fetch =
vm_entry.begin(), vm_entry.end(), std::find_if( vm_entry.begin(), vm_entry.end(), [ & ]( const zydis_instr_t &instr_data ) -> bool {
[&](const zydis_instr_t& instr_data) -> bool
{
const auto instr = &instr_data.instr; const auto instr = &instr_data.instr;
if (instr->mnemonic == ZYDIS_MNEMONIC_MOV && if ( instr->mnemonic == ZYDIS_MNEMONIC_MOV && instr->operand_count == 2 &&
instr->operand_count == 2 && instr->operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr->operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr->operands[ 1 ].mem.base == ZYDIS_REGISTER_R12 &&
instr->operands[1].mem.base == ZYDIS_REGISTER_R12 && instr->operands[ 1 ].mem.index == ZYDIS_REGISTER_RAX &&
instr->operands[1].mem.index == ZYDIS_REGISTER_RAX && instr->operands[ 1 ].mem.scale == 8 &&
instr->operands[1].mem.scale == 8 && instr->operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr->operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && ( instr->operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX ||
(instr->operands[0].reg.value == ZYDIS_REGISTER_RDX || instr->operands[ 0 ].reg.value == ZYDIS_REGISTER_RCX ) )
instr->operands[0].reg.value == ZYDIS_REGISTER_RCX))
{ {
rcx_or_rdx = instr->operands[0].reg.value; rcx_or_rdx = instr->operands[ 0 ].reg.value;
return true; return true;
} }
return false; return false;
} } );
);
// check to see if we found the fetch instruction and if the next instruction // check to see if we found the fetch instruction and if the next instruction
// is not the end of the vector... // is not the end of the vector...
if (handler_fetch == vm_entry.end() || ++handler_fetch == vm_entry.end() || if ( handler_fetch == vm_entry.end() || ++handler_fetch == vm_entry.end() ||
// must be RCX or RDX... else something went wrong... // must be RCX or RDX... else something went wrong...
(rcx_or_rdx != ZYDIS_REGISTER_RCX && rcx_or_rdx != ZYDIS_REGISTER_RDX)) ( rcx_or_rdx != ZYDIS_REGISTER_RCX && rcx_or_rdx != ZYDIS_REGISTER_RDX ) )
return false; return false;
// find the next instruction that writes to RCX or RDX... // find the next instruction that writes to RCX or RDX...
// the register is determined by the vm handler fetch above... // the register is determined by the vm handler fetch above...
auto handler_transform = std::find_if( auto handler_transform =
handler_fetch, vm_entry.end(), std::find_if( handler_fetch, vm_entry.end(), [ & ]( const zydis_instr_t &instr_data ) -> bool {
[&](const zydis_instr_t& instr_data) -> bool if ( instr_data.instr.operands[ 0 ].reg.value == rcx_or_rdx &&
{ instr_data.instr.operands[ 0 ].actions & ZYDIS_OPERAND_ACTION_WRITE )
if (instr_data.instr.operands[0].reg.value == rcx_or_rdx &&
instr_data.instr.operands[0].actions & ZYDIS_OPERAND_ACTION_WRITE)
return true; return true;
return false; return false;
} } );
);
if (handler_transform == vm_entry.end()) if ( handler_transform == vm_entry.end() )
return false; return false;
*transform_instr = handler_transform->instr; *transform_instr = handler_transform->instr;
return true; return true;
} }
std::uint64_t encrypt(zydis_decoded_instr_t& transform_instr, std::uint64_t val) std::uint64_t encrypt( zydis_decoded_instr_t &transform_instr, std::uint64_t val )
{ {
assert(transform_instr.operands[0].size == 64, assert( transform_instr.operands[ 0 ].size == 64,
"invalid transformation for vm handler table entries..."); "invalid transformation for vm handler table entries..." );
const auto operation = vm::transform::inverse[transform_instr.mnemonic]; const auto operation = vm::transform::inverse[ transform_instr.mnemonic ];
const auto bitsize = transform_instr.operands[0].size; const auto bitsize = transform_instr.operands[ 0 ].size;
const auto imm = vm::transform::has_imm(&transform_instr) ? const auto imm =
transform_instr.operands[1].imm.value.u : 0u; vm::transform::has_imm( &transform_instr ) ? transform_instr.operands[ 1 ].imm.value.u : 0u;
return vm::transform::apply(bitsize, operation, val, imm); return vm::transform::apply( bitsize, operation, val, imm );
} }
std::uint64_t decrypt(zydis_decoded_instr_t& transform_instr, std::uint64_t val) std::uint64_t decrypt( zydis_decoded_instr_t &transform_instr, std::uint64_t val )
{ {
assert(transform_instr.operands[0].size == 64, assert( transform_instr.operands[ 0 ].size == 64,
"invalid transformation for vm handler table entries..."); "invalid transformation for vm handler table entries..." );
const auto operation = transform_instr.mnemonic; const auto operation = transform_instr.mnemonic;
const auto bitsize = transform_instr.operands[0].size; const auto bitsize = transform_instr.operands[ 0 ].size;
const auto imm = vm::transform::has_imm(&transform_instr) ? const auto imm =
transform_instr.operands[1].imm.value.u : 0u; vm::transform::has_imm( &transform_instr ) ? transform_instr.operands[ 1 ].imm.value.u : 0u;
return vm::transform::apply(bitsize, operation, val, imm); return vm::transform::apply( bitsize, operation, val, imm );
}
}
} }
} } // namespace table
} // namespace handler
} // namespace vm

157
src/vminstrs.cpp
Unescape View File

@ -4,66 +4,57 @@ namespace vm
{ {
namespace instrs namespace instrs
{ {
std::pair<std::uint64_t, std::uint64_t> decrypt_operand(transform::map_t& transforms, std::pair< std::uint64_t, std::uint64_t > decrypt_operand( transform::map_t &transforms, std::uint64_t operand,
std::uint64_t operand, std::uint64_t rolling_key) std::uint64_t rolling_key )
{ {
const auto generic_decrypt_0 = &transforms[transform::type::generic0]; const auto generic_decrypt_0 = &transforms[ transform::type::generic0 ];
const auto key_decrypt = &transforms[transform::type::rolling_key]; const auto key_decrypt = &transforms[ transform::type::rolling_key ];
const auto generic_decrypt_1 = &transforms[transform::type::generic1]; const auto generic_decrypt_1 = &transforms[ transform::type::generic1 ];
const auto generic_decrypt_2 = &transforms[transform::type::generic2]; const auto generic_decrypt_2 = &transforms[ transform::type::generic2 ];
const auto generic_decrypt_3 = &transforms[transform::type::generic3]; const auto generic_decrypt_3 = &transforms[ transform::type::generic3 ];
const auto update_key = &transforms[transform::type::update_key]; const auto update_key = &transforms[ transform::type::update_key ];
if (generic_decrypt_0->mnemonic != ZYDIS_MNEMONIC_INVALID) if ( generic_decrypt_0->mnemonic != ZYDIS_MNEMONIC_INVALID )
{ {
operand = transform::apply( operand = transform::apply(
generic_decrypt_0->operands[0].size, generic_decrypt_0->operands[ 0 ].size, generic_decrypt_0->mnemonic, operand,
generic_decrypt_0->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_0) ? transform::has_imm( generic_decrypt_0 ) ? generic_decrypt_0->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_0->operands[1].imm.value.u : 0);
} }
// apply transformation with rolling decrypt key... // apply transformation with rolling decrypt key...
operand = transform::apply(key_decrypt->operands[0].size, operand = transform::apply( key_decrypt->operands[ 0 ].size, key_decrypt->mnemonic, operand, rolling_key );
key_decrypt->mnemonic, operand, rolling_key);
// apply three generic transformations... // apply three generic transformations...
{ {
operand = transform::apply( operand = transform::apply(
generic_decrypt_1->operands[0].size, generic_decrypt_1->operands[ 0 ].size, generic_decrypt_1->mnemonic, operand,
generic_decrypt_1->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_1) ? transform::has_imm( generic_decrypt_1 ) ? generic_decrypt_1->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_1->operands[1].imm.value.u : 0);
operand = transform::apply( operand = transform::apply(
generic_decrypt_2->operands[0].size, generic_decrypt_2->operands[ 0 ].size, generic_decrypt_2->mnemonic, operand,
generic_decrypt_2->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_2) ? transform::has_imm( generic_decrypt_2 ) ? generic_decrypt_2->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_2->operands[1].imm.value.u : 0);
operand = transform::apply( operand = transform::apply(
generic_decrypt_3->operands[0].size, generic_decrypt_3->operands[ 0 ].size, generic_decrypt_3->mnemonic, operand,
generic_decrypt_3->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_3) ? transform::has_imm( generic_decrypt_3 ) ? generic_decrypt_3->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_3->operands[1].imm.value.u : 0);
} }
// update rolling key... // update rolling key...
auto result = transform::apply(update_key->operands[0].size, auto result =
update_key->mnemonic, rolling_key, operand); transform::apply( update_key->operands[ 0 ].size, update_key->mnemonic, rolling_key, operand );
// update decryption key correctly... // update decryption key correctly...
switch (update_key->operands[0].size) switch ( update_key->operands[ 0 ].size )
{ {
case 8: case 8:
rolling_key = (rolling_key & ~0xFFull) + result; rolling_key = ( rolling_key & ~0xFFull ) + result;
break; break;
case 16: case 16:
rolling_key = (rolling_key & ~0xFFFFull) + result; rolling_key = ( rolling_key & ~0xFFFFull ) + result;
break; break;
default: default:
rolling_key = result; rolling_key = result;
@ -73,30 +64,30 @@ namespace vm
return { operand, rolling_key }; return { operand, rolling_key };
} }
std::pair<std::uint64_t, std::uint64_t> encrypt_operand(transform::map_t& transforms, std::pair< std::uint64_t, std::uint64_t > encrypt_operand( transform::map_t &transforms, std::uint64_t operand,
std::uint64_t operand, std::uint64_t rolling_key) std::uint64_t rolling_key )
{ {
transform::map_t inverse; transform::map_t inverse;
inverse_transforms(transforms, inverse); inverse_transforms( transforms, inverse );
const auto generic_decrypt_0 = &inverse[transform::type::generic0]; const auto generic_decrypt_0 = &inverse[ transform::type::generic0 ];
const auto key_decrypt = &inverse[transform::type::rolling_key]; const auto key_decrypt = &inverse[ transform::type::rolling_key ];
const auto generic_decrypt_1 = &inverse[transform::type::generic1]; const auto generic_decrypt_1 = &inverse[ transform::type::generic1 ];
const auto generic_decrypt_2 = &inverse[transform::type::generic2]; const auto generic_decrypt_2 = &inverse[ transform::type::generic2 ];
const auto generic_decrypt_3 = &inverse[transform::type::generic3]; const auto generic_decrypt_3 = &inverse[ transform::type::generic3 ];
const auto update_key = &inverse[transform::type::update_key]; const auto update_key = &inverse[ transform::type::update_key ];
auto result = transform::apply(update_key->operands[0].size, auto result =
update_key->mnemonic, rolling_key, operand); transform::apply( update_key->operands[ 0 ].size, update_key->mnemonic, rolling_key, operand );
// make sure we update the rolling decryption key correctly... // make sure we update the rolling decryption key correctly...
switch (update_key->operands[0].size) switch ( update_key->operands[ 0 ].size )
{ {
case 8: case 8:
rolling_key = (rolling_key & ~0xFFull) + result; rolling_key = ( rolling_key & ~0xFFull ) + result;
break; break;
case 16: case 16:
rolling_key = (rolling_key & ~0xFFFFull) + result; rolling_key = ( rolling_key & ~0xFFFFull ) + result;
break; break;
default: default:
rolling_key = result; rolling_key = result;
@ -105,87 +96,71 @@ namespace vm
{ {
operand = transform::apply( operand = transform::apply(
generic_decrypt_3->operands[0].size, generic_decrypt_3->operands[ 0 ].size, generic_decrypt_3->mnemonic, operand,
generic_decrypt_3->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_3) ? transform::has_imm( generic_decrypt_3 ) ? generic_decrypt_3->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_3->operands[1].imm.value.u : 0);
operand = transform::apply( operand = transform::apply(
generic_decrypt_2->operands[0].size, generic_decrypt_2->operands[ 0 ].size, generic_decrypt_2->mnemonic, operand,
generic_decrypt_2->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_2) ? transform::has_imm( generic_decrypt_2 ) ? generic_decrypt_2->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_2->operands[1].imm.value.u : 0);
operand = transform::apply( operand = transform::apply(
generic_decrypt_1->operands[0].size, generic_decrypt_1->operands[ 0 ].size, generic_decrypt_1->mnemonic, operand,
generic_decrypt_1->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_1) ? transform::has_imm( generic_decrypt_1 ) ? generic_decrypt_1->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_1->operands[1].imm.value.u : 0);
} }
operand = transform::apply(key_decrypt->operands[0].size, operand = transform::apply( key_decrypt->operands[ 0 ].size, key_decrypt->mnemonic, operand, rolling_key );
key_decrypt->mnemonic, operand, rolling_key);
if (generic_decrypt_0->mnemonic != ZYDIS_MNEMONIC_INVALID) if ( generic_decrypt_0->mnemonic != ZYDIS_MNEMONIC_INVALID )
{ {
operand = transform::apply( operand = transform::apply(
generic_decrypt_0->operands[0].size, generic_decrypt_0->operands[ 0 ].size, generic_decrypt_0->mnemonic, operand,
generic_decrypt_0->mnemonic, operand,
// check to see if this instruction has an IMM... // check to see if this instruction has an IMM...
transform::has_imm(generic_decrypt_0) ? transform::has_imm( generic_decrypt_0 ) ? generic_decrypt_0->operands[ 1 ].imm.value.u : 0 );
generic_decrypt_0->operands[1].imm.value.u : 0);
} }
return { operand, rolling_key }; return { operand, rolling_key };
} }
bool get_rva_decrypt( bool get_rva_decrypt( const zydis_routine_t &vm_entry, std::vector< zydis_decoded_instr_t > &transform_instrs )
const zydis_routine_t& vm_entry, std::vector<zydis_decoded_instr_t>& transform_instrs)
{ {
// //
// find mov esi, [rsp+0xA0] // find mov esi, [rsp+0xA0]
// //
auto result = std::find_if(vm_entry.begin(), vm_entry.end(), auto result =
[](const zydis_instr_t& instr_data) -> bool std::find_if( vm_entry.begin(), vm_entry.end(), []( const zydis_instr_t &instr_data ) -> bool {
{ if ( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV && instr_data.instr.operand_count == 2 &&
if (instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV && instr_data.instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_ESI &&
instr_data.instr.operand_count == 2 && instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSP &&
instr_data.instr.operands[0].reg.value == ZYDIS_REGISTER_ESI && instr_data.instr.operands[ 1 ].mem.disp.has_displacement &&
instr_data.instr.operands[1].mem.base == ZYDIS_REGISTER_RSP && instr_data.instr.operands[ 1 ].mem.disp.value == 0xA0 )
instr_data.instr.operands[1].mem.disp.has_displacement &&
instr_data.instr.operands[1].mem.disp.value == 0xA0)
return true; return true;
return false; return false;
} } );
);
if (result == vm_entry.end()) if ( result == vm_entry.end() )
return false; return false;
// //
// find the next three instruction with ESI as the dest... // find the next three instruction with ESI as the dest...
// //
for (auto idx = 0u; idx < 3; ++idx) for ( auto idx = 0u; idx < 3; ++idx )
{
result = std::find_if(++result, vm_entry.end(),
[](const zydis_instr_t& instr_data) -> bool
{ {
return instr_data.instr.operands[0].reg.value == ZYDIS_REGISTER_ESI; result = std::find_if( ++result, vm_entry.end(), []( const zydis_instr_t &instr_data ) -> bool {
} return instr_data.instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_ESI;
); } );
if (result == vm_entry.end()) if ( result == vm_entry.end() )
return false; return false;
transform_instrs.push_back(result->instr); transform_instrs.push_back( result->instr );
} }
return true; return true;
} }
} } // namespace instrs
} } // namespace vm

3
src/vmprofiler.vcxproj
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@ -172,6 +172,9 @@
<Project>{88a23124-5640-35a0-b890-311d7a67a7d2}</Project> <Project>{88a23124-5640-35a0-b890-311d7a67a7d2}</Project>
</ProjectReference> </ProjectReference>
</ItemGroup> </ItemGroup>
<ItemGroup>
<None Include="..\.clang-format" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets"> <ImportGroup Label="ExtensionTargets">
</ImportGroup> </ImportGroup>

8
src/vmprofiler.vcxproj.filters
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@ -27,6 +27,9 @@
<Filter Include="Source Files\vmprofiles"> <Filter Include="Source Files\vmprofiles">
<UniqueIdentifier>{388154c1-cb08-493f-88fb-7e16cfffa010}</UniqueIdentifier> <UniqueIdentifier>{388154c1-cb08-493f-88fb-7e16cfffa010}</UniqueIdentifier>
</Filter> </Filter>
<Filter Include="Resources">
<UniqueIdentifier>{5bb0ecc9-da37-4a13-8958-3c8eef2ceab5}</UniqueIdentifier>
</Filter>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClCompile Include="vmutils.cpp"> <ClCompile Include="vmutils.cpp">
@ -224,4 +227,9 @@
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>
</ItemGroup> </ItemGroup>
<ItemGroup>
<None Include="..\.clang-format">
<Filter>Resources</Filter>
</None>
</ItemGroup>
</Project> </Project>

80
src/vmprofiles/add.cpp
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@ -6,71 +6,57 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t addq = vm::handler::profile_t addq = {
{
// ADD [RBP+8], RAX // ADD [RBP+8], RAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"ADDQ", ADDQ, NULL, "ADDQ",
{ ADDQ,
{ NULL,
// ADD [RBP+8], RAX { { // ADD [RBP+8], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
vm::handler::profile_t adddw = vm::handler::profile_t adddw = {
{
// ADD [RBP+8], EAX // ADD [RBP+8], EAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"ADDDW", ADDDW, NULL, "ADDDW",
{ ADDDW,
{ NULL,
// ADD [RBP+8], EAX { { // ADD [RBP+8], EAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

89
src/vmprofiles/div.cpp
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@ -6,8 +6,7 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t divq = vm::handler::profile_t divq = {
{
// MOV RDX, [RBP] // MOV RDX, [RBP]
// MOV RAX, [RBP+0x8] // MOV RAX, [RBP+0x8]
// DIV [RBP+0x10] // DIV [RBP+0x10]
@ -15,71 +14,61 @@ namespace vm
// MOV [RBP+0x10], RAX // MOV [RBP+0x10], RAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"DIVQ", DIVQ, NULL, "DIVQ",
{ DIVQ,
{ NULL,
// MOV RDX, [RBP] { { // MOV RDX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV RAX, [RBP+0x8] // MOV RAX, [RBP+0x8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// DIV [RBP+0x10] // DIV [RBP+0x10]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_DIV && return instr.mnemonic == ZYDIS_MNEMONIC_DIV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x10; instr.operands[ 0 ].mem.index == 0x10;
}, },
// MOV [RBP+0x8], RDX // MOV [RBP+0x8], RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x8 && instr.operands[ 0 ].mem.index == 0x8 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RDX;
}, },
// MOV [RBP+0x10], RAX // MOV [RBP+0x10], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x10 && instr.operands[ 0 ].mem.index == 0x10 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
}
} }
} } // namespace handler
} // namespace vm

64
src/vmprofiles/jmp.cpp
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@ -6,54 +6,46 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t jmp = vm::handler::profile_t jmp = {
{
// MOV ESI, [RBP] // MOV ESI, [RBP]
// ADD RSI, RAX // ADD RSI, RAX
// MOV RBX, RSI // MOV RBX, RSI
// ADD RSI, [RBP] // ADD RSI, [RBP]
"JMP", JMP, NULL, "JMP",
{ JMP,
{ NULL,
// MOV ESI, [RBP] { { // MOV ESI, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_ESI && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_ESI &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// ADD RSI, RAX // ADD RSI, RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RSI && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RSI &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// MOV RBX, RSI // MOV RBX, RSI
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RSI; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RSI;
}, },
// ADD RSI, [RBP] // ADD RSI, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RSI && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RSI &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
}
} }
} } // namespace handler
} // namespace vm

253
src/vmprofiles/lconst.cpp
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@ -6,200 +6,157 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t lconstq = vm::handler::profile_t lconstq = {
{
// MOV RAX, [RSI] // MOV RAX, [RSI]
// SUB RBP, 8 // SUB RBP, 8
// MOV [RBP], RAX // MOV [RBP], RAX
"LCONSTQ", LCONSTQ, 64, "LCONSTQ",
{ LCONSTQ,
{ 64,
// SUB RBP, 8 { { // SUB RBP, 8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x8; instr.operands[ 1 ].imm.value.u == 0x8;
}, },
// MOV [RBP], RAX // MOV [RBP], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
} } } } };
}
}
};
vm::handler::profile_t lconstbzxw = vm::handler::profile_t lconstbzxw = {
{
// MOV AL, [RSI] // MOV AL, [RSI]
// SUB RBP, 2 // SUB RBP, 2
// MOV [RBP], AX // MOV [RBP], AX
"LCONSTBZXW", LCONSTBZXW, 8, "LCONSTBZXW",
{ LCONSTBZXW,
{ 8,
// SUB RBP, 2 { { // SUB RBP, 2
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x2; instr.operands[ 1 ].imm.value.u == 0x2;
}, },
// MOV [RBP], AX // MOV [RBP], AX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_AX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_AX;
} } } } };
}
}
};
vm::handler::profile_t lconstbsxdw = vm::handler::profile_t lconstbsxdw = {
{
// CWDE // CWDE
// SUB RBP, 4 // SUB RBP, 4
// MOV [RBP], EAX // MOV [RBP], EAX
"LCONSTBSXDW", LCONSTBSXDW, 8, "LCONSTBSXDW",
{ LCONSTBSXDW,
{ 8,
// CWDE { { // CWDE
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool { return instr.mnemonic == ZYDIS_MNEMONIC_CWDE; },
{
return instr.mnemonic == ZYDIS_MNEMONIC_CWDE;
},
// SUB RBP, 4 // SUB RBP, 4
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x4; instr.operands[ 1 ].imm.value.u == 0x4;
}, },
// MOV [RBP], EAX // MOV [RBP], EAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
} } } },
} vm::handler::extention_t::sign_extend };
},
vm::handler::extention_t::sign_extend
};
vm::handler::profile_t lconstdwsxq = vm::handler::profile_t lconstdwsxq = {
{
// CDQE // CDQE
// SUB RBP, 8 // SUB RBP, 8
// MOV [RBP], RAX // MOV [RBP], RAX
"LCONSTDWSXQ", LCONSTDWSXQ, 32, "LCONSTDWSXQ",
{ LCONSTDWSXQ,
// CDQE 32,
[](const zydis_decoded_instr_t& instr) -> bool { // CDQE
{ []( const zydis_decoded_instr_t &instr ) -> bool { return instr.mnemonic == ZYDIS_MNEMONIC_CDQE; },
return instr.mnemonic == ZYDIS_MNEMONIC_CDQE;
},
// SUB RBP, 8 // SUB RBP, 8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x8; instr.operands[ 1 ].imm.value.u == 0x8;
}, },
// MOV [RBP], RAX // MOV [RBP], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
} } },
}, vm::handler::extention_t::sign_extend };
vm::handler::extention_t::sign_extend
};
vm::handler::profile_t lconstwsxq = vm::handler::profile_t lconstwsxq = {
{
// CDQE // CDQE
// SUB RBP, 8 // SUB RBP, 8
// MOV [RBP], RAX // MOV [RBP], RAX
"LCONSTWSXQ", LCONSTWSXQ, 16, "LCONSTWSXQ",
{ LCONSTWSXQ,
{ 16,
// CDQE { { // CDQE
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool { return instr.mnemonic == ZYDIS_MNEMONIC_CDQE; },
{
return instr.mnemonic == ZYDIS_MNEMONIC_CDQE;
},
// SUB RBP, 8 // SUB RBP, 8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x8; instr.operands[ 1 ].imm.value.u == 0x8;
}, },
// MOV [RBP], RAX // MOV [RBP], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
} } } },
} vm::handler::extention_t::sign_extend };
},
vm::handler::extention_t::sign_extend
};
vm::handler::profile_t lconstdw = vm::handler::profile_t lconstdw = {
{
// SUB RBP, 4 // SUB RBP, 4
// MOV [RBP], EAX // MOV [RBP], EAX
"LCONSTDW", LCONSTDW, 32, "LCONSTDW",
{ LCONSTDW,
{ 32,
// SUB RBP, 4 { { // SUB RBP, 4
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x4; instr.operands[ 1 ].imm.value.u == 0x4;
}, },
// MOV [RBP], EAX // MOV [RBP], EAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

116
src/vmprofiles/lreg.cpp
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@ -6,90 +6,76 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t lregq = vm::handler::profile_t lregq = {
{
// MOV RDX, [RAX+RDI] // MOV RDX, [RAX+RDI]
// SUB RBP, 8 // SUB RBP, 8
// MOV [RBP], RDX // MOV [RBP], RDX
"LREGQ", LREGQ, 8, "LREGQ",
{ LREGQ,
{ 8,
// MOV RDX, [RAX+RDI] or MOV RDX, [RDI+RAX] { { // MOV RDX, [RAX+RDI] or MOV RDX, [RDI+RAX]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
(instr.operands[1].mem.base == ZYDIS_REGISTER_RAX || ( instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RAX ||
instr.operands[1].mem.base == ZYDIS_REGISTER_RDI) && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RDI ) &&
(instr.operands[1].mem.index == ZYDIS_REGISTER_RDI || ( instr.operands[ 1 ].mem.index == ZYDIS_REGISTER_RDI ||
instr.operands[1].mem.index == ZYDIS_REGISTER_RAX); instr.operands[ 1 ].mem.index == ZYDIS_REGISTER_RAX );
}, },
// SUB RBP, 8 // SUB RBP, 8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x8; instr.operands[ 1 ].imm.value.u == 0x8;
}, },
// MOV [RBP], RDX // MOV [RBP], RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RDX;
} } } } };
}
}
};
vm::handler::profile_t lregdw = vm::handler::profile_t lregdw = {
{
// MOVZX AL, [RSI] // MOVZX AL, [RSI]
// MOV RDX, [RAX + RDI] // MOV RDX, [RAX + RDI]
// SUB RBP, 0x4 // SUB RBP, 0x4
// MOV [RBP], EDX // MOV [RBP], EDX
"LREGDW", LREGDW, 8, "LREGDW",
{ LREGDW,
{ 8,
// MOV RDX, [RAX + RDI] or MOV RDX, [RDI + RAX] { { // MOV RDX, [RAX + RDI] or MOV RDX, [RDI + RAX]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_EDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_EDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
(instr.operands[1].mem.base == ZYDIS_REGISTER_RAX || ( instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RAX ||
instr.operands[1].mem.base == ZYDIS_REGISTER_RDI) && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RDI ) &&
(instr.operands[1].mem.index == ZYDIS_REGISTER_RAX || ( instr.operands[ 1 ].mem.index == ZYDIS_REGISTER_RAX ||
instr.operands[1].mem.index == ZYDIS_REGISTER_RDI); instr.operands[ 1 ].mem.index == ZYDIS_REGISTER_RDI );
}, },
// SUB RBP, 0x4 // SUB RBP, 0x4
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x4; instr.operands[ 1 ].imm.value.u == 0x4;
}, },
// MOV [RBP], EDX // MOV [RBP], EDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EDX;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

87
src/vmprofiles/mul.cpp
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@ -6,8 +6,7 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t mulq = vm::handler::profile_t mulq = {
{
// MOV RAX, [RBP+0x8] // MOV RAX, [RBP+0x8]
// SUB RBP, 0x8 // SUB RBP, 0x8
// MUL RDX // MUL RDX
@ -15,70 +14,60 @@ namespace vm
// MOV [RBP+0x10], RAX // MOV [RBP+0x10], RAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"MULQ", MULQ, NULL, "MULQ",
{ MULQ,
{ NULL,
// MOV RAX, [RBP+0x8] { { // MOV RAX, [RBP+0x8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// SUB RBP, 0x8 // SUB RBP, 0x8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x8; instr.operands[ 1 ].imm.value.u == 0x8;
}, },
// MUL RDX // MUL RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MUL && return instr.mnemonic == ZYDIS_MNEMONIC_MUL &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX;
}, },
// MOV [RBP+0x8], RDX // MOV [RBP+0x8], RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x8 && instr.operands[ 0 ].mem.index == 0x8 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RDX;
}, },
// MOV [RBP+0x10], RAX // MOV [RBP+0x10], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x10 && instr.operands[ 0 ].mem.index == 0x10 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
}
} }
} } // namespace handler
} // namespace vm

161
src/vmprofiles/nand.cpp
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@ -6,8 +6,7 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t nandq = vm::handler::profile_t nandq = {
{
// MOV RAX, [RBP] // MOV RAX, [RBP]
// MOV RDX, [RBP+8] // MOV RDX, [RBP+8]
// NOT RAX // NOT RAX
@ -16,138 +15,116 @@ namespace vm
// MOV [RBP], RAX // MOV [RBP], RAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"NANDQ", NANDQ, NULL, "NANDQ",
{ NANDQ,
{ NULL,
// MOV RAX, [RBP] { { // MOV RAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV RDX, [RBP+8] // MOV RDX, [RBP+8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// NOT RAX // NOT RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_NOT && return instr.mnemonic == ZYDIS_MNEMONIC_NOT &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// NOT RDX // NOT RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_NOT && return instr.mnemonic == ZYDIS_MNEMONIC_NOT &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX;
}, },
// AND RAX, RDX // AND RAX, RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_AND && return instr.mnemonic == ZYDIS_MNEMONIC_AND &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RDX;
}, },
// MOV [RBP], RAX // MOV [RBP], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
vm::handler::profile_t nanddw = vm::handler::profile_t nanddw = {
{
// NOT DWORD PTR [RBP] // NOT DWORD PTR [RBP]
// MOV AX, [RBP] // MOV AX, [RBP]
// SUB RBP, 0x6 // SUB RBP, 0x6
// AND [RBP+0x8], AX // AND [RBP+0x8], AX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"NANDDW", NANDDW, NULL, "NANDDW",
{ NANDDW,
{ NULL,
// NOT DWORD PTR [RBP] { { // NOT DWORD PTR [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_NOT && return instr.mnemonic == ZYDIS_MNEMONIC_NOT &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].size == 32 && instr.operands[ 0 ].size == 32 && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV AX, [RBP] // MOV AX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_AX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_AX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// SUB RBP, 0x6 // SUB RBP, 0x6
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x6; instr.operands[ 1 ].imm.value.u == 0x6;
}, },
// AND [RBP+0x8], AX // AND [RBP+0x8], AX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_AND && return instr.mnemonic == ZYDIS_MNEMONIC_AND &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x8 && instr.operands[ 0 ].mem.index == 0x8 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_AX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_AX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

53
src/vmprofiles/pushvsp.cpp
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@ -6,43 +6,36 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t pushvsp = vm::handler::profile_t pushvsp = {
{
// MOV RAX, RBP // MOV RAX, RBP
// SUB RBP, 8 // SUB RBP, 8
"PUSHVSP", PUSHVSP, NULL, "PUSHVSP",
{ PUSHVSP,
{ NULL,
// MOV RAX, RBP { { // MOV RAX, RBP
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RBP;
}, },
// SUB RBP, 8 // SUB RBP, 8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x8; instr.operands[ 1 ].imm.value.u == 0x8;
}, },
// MOV [RBP], RAX // MOV [RBP], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
} } } } };
}
}
};
}
} }
} } // namespace handler
} // namespace vm

53
src/vmprofiles/read.cpp
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@ -6,44 +6,37 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t readq = vm::handler::profile_t readq = {
{
// MOV RAX, [RBP] // MOV RAX, [RBP]
// MOV RAX, [RAX] // MOV RAX, [RAX]
// MOV [RBP], RAX // MOV [RBP], RAX
"READQ", READQ, NULL, "READQ",
{ READQ,
{ NULL,
// MOV RAX, [RBP] { { // MOV RAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV RAX, [RAX] // MOV RAX, [RAX]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RAX;
}, },
// MOV [RBP], RAX // MOV [RBP], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
} } } } };
}
}
};
}
} }
} } // namespace handler
} // namespace vm

176
src/vmprofiles/shl.cpp
Unescape View File

@ -6,8 +6,7 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t shlq = vm::handler::profile_t shlq = {
{
// MOV RAX, [RBP] // MOV RAX, [RBP]
// MOV CL, [RBP+0x8] // MOV CL, [RBP+0x8]
// SUB RBP, 0x6 // SUB RBP, 0x6
@ -15,74 +14,63 @@ namespace vm
// MOV [RBP+0x8], RAX // MOV [RBP+0x8], RAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"SHLQ", SHLQ, NULL, "SHLQ",
{ SHLQ,
{ NULL,
// MOV RAX, [RBP] { { // MOV RAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV CL, [RBP+0x8] // MOV CL, [RBP+0x8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_CL && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_CL &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// SUB RBP, 0x6 // SUB RBP, 0x6
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x6; instr.operands[ 1 ].imm.value.u == 0x6;
}, },
// SHL RAX, CL // SHL RAX, CL
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SHL && return instr.mnemonic == ZYDIS_MNEMONIC_SHL &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_CL; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_CL;
}, },
// MOV [RBP+0x8], RAX // MOV [RBP+0x8], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x8 && instr.operands[ 0 ].mem.index == 0x8 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
vm::handler::profile_t shldw = vm::handler::profile_t shldw = {
{
// MOV EAX, [RBP] // MOV EAX, [RBP]
// MOV CL, [RBP+0x4] // MOV CL, [RBP+0x4]
// SUB RBP, 0x6 // SUB RBP, 0x6
@ -90,71 +78,61 @@ namespace vm
// MOV [RBP+0x8], EAX // MOV [RBP+0x8], EAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"SHLQ", SHLQ, NULL, "SHLQ",
{ SHLQ,
{ NULL,
// MOV EAX, [RBP] { { // MOV EAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_EAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_EAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV CL, [RBP+0x4] // MOV CL, [RBP+0x4]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_CL && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_CL &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x4; instr.operands[ 1 ].mem.index == 0x4;
}, },
// SUB RBP, 0x6 // SUB RBP, 0x6
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x6; instr.operands[ 1 ].imm.value.u == 0x6;
}, },
// SHL EAX, CL // SHL EAX, CL
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SHL && return instr.mnemonic == ZYDIS_MNEMONIC_SHL &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_EAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_EAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_CL; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_CL;
}, },
// MOV [RBP+0x8], EAX // MOV [RBP+0x8], EAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x8 && instr.operands[ 0 ].mem.index == 0x8 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

89
src/vmprofiles/shr.cpp
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@ -6,8 +6,7 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t shrq = vm::handler::profile_t shrq = {
{
// MOV RAX, [RBP] // MOV RAX, [RBP]
// MOV CL, [RBP+0x8] // MOV CL, [RBP+0x8]
// SUB RBP, 0x6 // SUB RBP, 0x6
@ -15,71 +14,61 @@ namespace vm
// MOV [RBP+0x8], RAX // MOV [RBP+0x8], RAX
// PUSHFQ // PUSHFQ
// POP [RBP] // POP [RBP]
"SHRQ", SHRQ, NULL, "SHRQ",
{ SHRQ,
{ NULL,
// MOV RAX, [RBP] { { // MOV RAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV CL, [RBP+0x8] // MOV CL, [RBP+0x8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_CL && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_CL &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// SUB RBP, 0x6 // SUB RBP, 0x6
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SUB && return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x6; instr.operands[ 1 ].imm.value.u == 0x6;
}, },
// SHR RAX, CL // SHR RAX, CL
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_SHR && return instr.mnemonic == ZYDIS_MNEMONIC_SHR &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_CL; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_CL;
}, },
// MOV [RBP+0x8], RAX // MOV [RBP+0x8], RAX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[0].mem.index == 0x8 && instr.operands[ 0 ].mem.index == 0x8 &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RAX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
}, },
// PUSHFQ // PUSHFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ; return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
}, },
// POP [RBP] // POP [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_POP && return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP;
} } } } };
}
}
};
}
} }
} } // namespace handler
} // namespace vm

171
src/vmprofiles/sreg.cpp
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@ -6,131 +6,110 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t sregq = vm::handler::profile_t sregq = {
{
// MOV RDX, [RBP] // MOV RDX, [RBP]
// ADD RBP, 8 // ADD RBP, 8
// MOV [RAX+RDI], RDX // MOV [RAX+RDI], RDX
"SREGQ", SREGQ, 8, "SREGQ",
{ SREGQ,
{ 8,
// MOV RDX, [RBP] { { // MOV RDX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// ADD RBP, 8 // ADD RBP, 8
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 8; instr.operands[ 1 ].imm.value.u == 8;
}, },
// MOV [RAX+RDI], RDX or MOV [RDI+RAX], RDX // MOV [RAX+RDI], RDX or MOV [RDI+RAX], RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
(instr.operands[0].mem.base == ZYDIS_REGISTER_RAX || ( instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RAX ||
instr.operands[0].mem.base == ZYDIS_REGISTER_RDI) && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RDI ) &&
(instr.operands[0].mem.index == ZYDIS_REGISTER_RDI || ( instr.operands[ 0 ].mem.index == ZYDIS_REGISTER_RDI ||
instr.operands[0].mem.index == ZYDIS_REGISTER_RAX) && instr.operands[ 0 ].mem.index == ZYDIS_REGISTER_RAX ) &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RDX;
} } } } };
}
}
};
vm::handler::profile_t sregdw = vm::handler::profile_t sregdw = {
{
// MOV EDX, [RBP] // MOV EDX, [RBP]
// ADD RBP, 0x4 // ADD RBP, 0x4
// MOV [RAX+RDI], EDX // MOV [RAX+RDI], EDX
"SREGDW", SREGDW, 8, "SREGDW",
{ SREGDW,
{ 8,
// MOV EDX, [RBP] { { // MOV EDX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_EDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_EDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// ADD RBP, 0x4 // ADD RBP, 0x4
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x4; instr.operands[ 1 ].imm.value.u == 0x4;
}, },
// MOV [RAX+RDI], EDX or MOV [RDI+RAX], EDX // MOV [RAX+RDI], EDX or MOV [RDI+RAX], EDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
(instr.operands[0].mem.base == ZYDIS_REGISTER_RAX || ( instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RAX ||
instr.operands[0].mem.base == ZYDIS_REGISTER_RDI) && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RDI ) &&
(instr.operands[0].mem.index == ZYDIS_REGISTER_RAX || ( instr.operands[ 0 ].mem.index == ZYDIS_REGISTER_RAX ||
instr.operands[0].mem.index == ZYDIS_REGISTER_RDI) && instr.operands[ 0 ].mem.index == ZYDIS_REGISTER_RDI ) &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EDX;
} } } } };
}
}
};
vm::handler::profile_t sregw = vm::handler::profile_t sregw = {
{
// MOV DX, [RBP] // MOV DX, [RBP]
// ADD RBP, 0x2 // ADD RBP, 0x2
// MOV [RAX+RDI], DX // MOV [RAX+RDI], DX
"SREGW", SREGW, 8, "SREGW",
{ SREGW,
{ 8,
// MOV DX, [RBP] { { // MOV DX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_DX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_DX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// ADD RBP, 0x2 // ADD RBP, 0x2
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x2; instr.operands[ 1 ].imm.value.u == 0x2;
}, },
// MOV [RAX+RDI], DX or MOV [RDI+RAX], DX // MOV [RAX+RDI], DX or MOV [RDI+RAX], DX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
(instr.operands[0].mem.base == ZYDIS_REGISTER_RAX || ( instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RAX ||
instr.operands[0].mem.base == ZYDIS_REGISTER_RDI) && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RDI ) &&
(instr.operands[0].mem.index == ZYDIS_REGISTER_RDI || ( instr.operands[ 0 ].mem.index == ZYDIS_REGISTER_RDI ||
instr.operands[0].mem.index == ZYDIS_REGISTER_RAX) && instr.operands[ 0 ].mem.index == ZYDIS_REGISTER_RAX ) &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_DX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_DX;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

37
src/vmprofiles/vmexit.cpp
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@ -6,32 +6,27 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t vmexit = vm::handler::profile_t vmexit = {
{
// MOV RAX, RBP // MOV RAX, RBP
// POPFQ // POPFQ
// RET // RET
"VMEXIT", VMEXIT, NULL, "VMEXIT",
{ VMEXIT,
{ NULL,
// MOV RAX, RBP { { // MOV RAX, RBP
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RBP;
}, },
// POPFQ // POPFQ
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool { return instr.mnemonic == ZYDIS_MNEMONIC_POPFQ; },
{ return instr.mnemonic == ZYDIS_MNEMONIC_POPFQ; },
// RET // RET
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{ return instr.mnemonic == ZYDIS_MNEMONIC_RET; } return instr.mnemonic == ZYDIS_MNEMONIC_RET;
} } } } };
}
};
}
} }
} } // namespace handler
} // namespace vm

130
src/vmprofiles/write.cpp
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@ -6,105 +6,89 @@ namespace vm
{ {
namespace profile namespace profile
{ {
vm::handler::profile_t writeq = vm::handler::profile_t writeq = {
{
// MOV RAX, [RBP] // MOV RAX, [RBP]
// MOV RDX, [RBP+0x8] // MOV RDX, [RBP+0x8]
// ADD RBP, 0x10 // ADD RBP, 0x10
// MOV [RAX], RDX // MOV [RAX], RDX
"WRITEQ", WRITEQ, NULL, "WRITEQ",
{ WRITEQ,
{ NULL,
// MOV RAX, [RBP] { { // MOV RAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV RDX, [RBP+0x8] // MOV RDX, [RBP+0x8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// ADD RBP, 0x10 // ADD RBP, 0x10
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0x10; instr.operands[ 1 ].imm.value.u == 0x10;
}, },
// MOV [RAX], RDX // MOV [RAX], RDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_RDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RDX;
} } } } };
}
}
};
vm::handler::profile_t writedw = vm::handler::profile_t writedw = {
{
// MOV RAX, [RBP] // MOV RAX, [RBP]
// MOV EDX, [RBP+0x8] // MOV EDX, [RBP+0x8]
// ADD RBP, 0xC // ADD RBP, 0xC
// MOV [RAX], EDX // MOV [RAX], EDX
"WRITEDW", WRITEDW, NULL, "WRITEDW",
{ WRITEDW,
{ NULL,
// MOV RAX, [RBP] { { // MOV RAX, [RBP]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP; instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP;
}, },
// MOV EDX, [RBP+0x8] // MOV EDX, [RBP+0x8]
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_EDX && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_EDX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[1].mem.base == ZYDIS_REGISTER_RBP && instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[1].mem.index == 0x8; instr.operands[ 1 ].mem.index == 0x8;
}, },
// ADD RBP, 0xC // ADD RBP, 0xC
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_ADD && return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[0].reg.value == ZYDIS_REGISTER_RBP && instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[1].imm.value.u == 0xC; instr.operands[ 1 ].imm.value.u == 0xC;
}, },
// MOV [RAX], EDX // MOV [RAX], EDX
[](const zydis_decoded_instr_t& instr) -> bool []( const zydis_decoded_instr_t &instr ) -> bool {
{
return instr.mnemonic == ZYDIS_MNEMONIC_MOV && return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY && instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[0].mem.base == ZYDIS_REGISTER_RAX && instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RAX &&
instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER && instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[1].reg.value == ZYDIS_REGISTER_EDX; instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EDX;
} } } } };
} } // namespace profile
} } // namespace handler
}; } // namespace vm
}
}
}

151
src/vmutils.cpp
Unescape View File

@ -7,48 +7,45 @@ namespace vm
{ {
namespace reg namespace reg
{ {
zydis_register_t to64(zydis_register_t reg) zydis_register_t to64( zydis_register_t reg )
{ {
return ZydisRegisterGetLargestEnclosing( return ZydisRegisterGetLargestEnclosing( ZYDIS_MACHINE_MODE_LONG_64, reg );
ZYDIS_MACHINE_MODE_LONG_64, reg);
} }
bool compare(zydis_register_t a, zydis_register_t b) bool compare( zydis_register_t a, zydis_register_t b )
{ {
return to64(a) == to64(b); return to64( a ) == to64( b );
}
} }
} // namespace reg
void print(const zydis_decoded_instr_t& instr) void print( const zydis_decoded_instr_t &instr )
{ {
char buffer[256]; char buffer[ 256 ];
ZydisFormatter formatter; ZydisFormatter formatter;
ZydisFormatterInit(&formatter, ZYDIS_FORMATTER_STYLE_INTEL); ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL );
ZydisFormatterFormatInstruction(&formatter, &instr, ZydisFormatterFormatInstruction( &formatter, &instr, buffer, sizeof( buffer ), 0u );
buffer, sizeof(buffer), 0u);
puts(buffer); puts( buffer );
} }
void print(zydis_routine_t& routine) void print( zydis_routine_t &routine )
{ {
char buffer[256]; char buffer[ 256 ];
ZydisFormatter formatter; ZydisFormatter formatter;
ZydisFormatterInit(&formatter, ZYDIS_FORMATTER_STYLE_INTEL); ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL );
for (auto [instr, raw, addr] : routine) for ( auto [ instr, raw, addr ] : routine )
{ {
std::printf("> 0x%p ", addr); std::printf( "> 0x%p ", addr );
ZydisFormatterFormatInstruction(&formatter, &instr, ZydisFormatterFormatInstruction( &formatter, &instr, buffer, sizeof( buffer ), addr );
buffer, sizeof(buffer), addr);
puts(buffer); puts( buffer );
} }
} }
bool is_jmp(const zydis_decoded_instr_t& instr) bool is_jmp( const zydis_decoded_instr_t &instr )
{ {
switch (instr.mnemonic) switch ( instr.mnemonic )
{ {
case ZYDIS_MNEMONIC_JB: case ZYDIS_MNEMONIC_JB:
case ZYDIS_MNEMONIC_JBE: case ZYDIS_MNEMONIC_JBE:
@ -79,150 +76,142 @@ namespace vm
return false; return false;
} }
bool flatten(zydis_routine_t& routine, std::uintptr_t routine_addr, bool keep_jmps) bool flatten( zydis_routine_t &routine, std::uintptr_t routine_addr, bool keep_jmps )
{ {
ZydisDecoder decoder; ZydisDecoder decoder;
zydis_decoded_instr_t instr; zydis_decoded_instr_t instr;
ZydisDecoderInit(&decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_ADDRESS_WIDTH_64); ZydisDecoderInit( &decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_ADDRESS_WIDTH_64 );
while (ZYAN_SUCCESS(ZydisDecoderDecodeBuffer(&decoder, reinterpret_cast<void*>( while ( ZYAN_SUCCESS(
routine_addr), 0x1000, &instr))) ZydisDecoderDecodeBuffer( &decoder, reinterpret_cast< void * >( routine_addr ), 0x1000, &instr ) ) )
{ {
std::vector<u8> raw_instr; std::vector< u8 > raw_instr;
raw_instr.insert(raw_instr.begin(), raw_instr.insert( raw_instr.begin(), ( u8 * )routine_addr, ( u8 * )routine_addr + instr.length );
(u8*)routine_addr,
(u8*)routine_addr + instr.length);
if (is_jmp(instr)) if ( is_jmp( instr ) )
{ {
if (instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER) if ( instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER )
{ {
routine.push_back({ instr, raw_instr, routine_addr }); routine.push_back( { instr, raw_instr, routine_addr } );
return true; return true;
} }
if (keep_jmps) if ( keep_jmps )
routine.push_back({ instr, raw_instr, routine_addr }); routine.push_back( { instr, raw_instr, routine_addr } );
ZydisCalcAbsoluteAddress(&instr, &instr.operands[0], routine_addr, &routine_addr); ZydisCalcAbsoluteAddress( &instr, &instr.operands[ 0 ], routine_addr, &routine_addr );
} }
else if (instr.mnemonic == ZYDIS_MNEMONIC_RET) else if ( instr.mnemonic == ZYDIS_MNEMONIC_RET )
{ {
routine.push_back({ instr, raw_instr, routine_addr }); routine.push_back( { instr, raw_instr, routine_addr } );
return true; return true;
} }
else else
{ {
routine.push_back({ instr, raw_instr, routine_addr }); routine.push_back( { instr, raw_instr, routine_addr } );
routine_addr += instr.length; routine_addr += instr.length;
} }
} }
return false; return false;
} }
void deobfuscate(zydis_routine_t& routine) void deobfuscate( zydis_routine_t &routine )
{
static const auto _uses =
[](ZydisDecodedOperand& op, zydis_register_t reg) -> bool
{ {
switch (op.type) static const auto _uses = []( ZydisDecodedOperand &op, zydis_register_t reg ) -> bool {
switch ( op.type )
{ {
case ZYDIS_OPERAND_TYPE_MEMORY: case ZYDIS_OPERAND_TYPE_MEMORY:
{ {
return reg::compare(op.mem.base, reg) || reg::compare(op.mem.index, reg); return reg::compare( op.mem.base, reg ) || reg::compare( op.mem.index, reg );
} }
case ZYDIS_OPERAND_TYPE_REGISTER: case ZYDIS_OPERAND_TYPE_REGISTER:
{ {
return reg::compare(op.reg.value, reg); return reg::compare( op.reg.value, reg );
} }
} }
return false; return false;
}; };
static const auto _writes = static const auto _writes = []( zydis_decoded_instr_t &inst ) -> bool {
[](zydis_decoded_instr_t& inst) -> bool for ( auto idx = 0; idx < inst.operand_count; ++idx )
{ if ( inst.operands[ idx ].actions & ZYDIS_OPERAND_ACTION_MASK_WRITE )
for (auto idx = 0; idx < inst.operand_count; ++idx)
if (inst.operands[idx].actions & ZYDIS_OPERAND_ACTION_MASK_WRITE)
return true; return true;
return false; return false;
}; };
static const auto _remove = static const auto _remove = []( zydis_routine_t &routine, zydis_routine_t::iterator itr,
[](zydis_routine_t& routine, zydis_routine_t::iterator itr, zydis_register_t reg, u32 opcode_size ) -> void {
zydis_register_t reg, u32 opcode_size) -> void for ( ; itr >= routine.begin(); --itr )
{
for (; itr >= routine.begin(); --itr)
{ {
const auto instruction = &itr->instr; const auto instruction = &itr->instr;
bool stop = false; bool stop = false;
if (instruction->mnemonic == ZYDIS_MNEMONIC_JMP) if ( instruction->mnemonic == ZYDIS_MNEMONIC_JMP )
continue; continue;
for (auto op_idx = 0u; op_idx < instruction->operand_count; ++op_idx) for ( auto op_idx = 0u; op_idx < instruction->operand_count; ++op_idx )
{ {
const auto op = &instruction->operands[op_idx]; const auto op = &instruction->operands[ op_idx ];
if (!_uses(*op, reg)) if ( !_uses( *op, reg ) )
continue; continue;
if (op->type == ZYDIS_OPERAND_TYPE_MEMORY) if ( op->type == ZYDIS_OPERAND_TYPE_MEMORY )
{ {
stop = true; stop = true;
continue; continue;
} }
if (opcode_size < 32 && op->size > opcode_size) if ( opcode_size < 32 && op->size > opcode_size )
continue; continue;
if (op->actions & ZYDIS_OPERAND_ACTION_MASK_WRITE) if ( op->actions & ZYDIS_OPERAND_ACTION_MASK_WRITE )
op->actions &= ~ZYDIS_OPERAND_ACTION_MASK_WRITE; op->actions &= ~ZYDIS_OPERAND_ACTION_MASK_WRITE;
else stop = true; else
stop = true;
} }
if (!_writes(*instruction)) if ( !_writes( *instruction ) )
routine.erase(itr); routine.erase( itr );
else if (stop) break; else if ( stop )
break;
} }
}; };
for (const auto& instr_data : routine) for ( const auto &instr_data : routine )
{ {
if (routine.empty() || routine.size() == 1 || if ( routine.empty() || routine.size() == 1 || instr_data.instr.mnemonic == ZYDIS_MNEMONIC_JMP )
instr_data.instr.mnemonic == ZYDIS_MNEMONIC_JMP)
continue; continue;
for (auto itr = routine.begin() + 1; itr != routine.end(); itr++) for ( auto itr = routine.begin() + 1; itr != routine.end(); itr++ )
{ {
if (itr->instr.mnemonic == ZYDIS_MNEMONIC_JMP || if ( itr->instr.mnemonic == ZYDIS_MNEMONIC_JMP || itr->instr.mnemonic == ZYDIS_MNEMONIC_RET )
itr->instr.mnemonic == ZYDIS_MNEMONIC_RET)
break; break;
// find the write operations that happen... // find the write operations that happen...
for (auto idx = 0u; idx < itr->instr.operand_count; ++idx) for ( auto idx = 0u; idx < itr->instr.operand_count; ++idx )
{ {
const auto op = &itr->instr.operands[idx]; const auto op = &itr->instr.operands[ idx ];
// if its a read, continue to next opcode... // if its a read, continue to next opcode...
if (op->actions & ZYDIS_OPERAND_ACTION_MASK_READ) if ( op->actions & ZYDIS_OPERAND_ACTION_MASK_READ )
continue; continue;
// if its not a write then continue to next opcode... // if its not a write then continue to next opcode...
if (!(op->actions & ZYDIS_OPERAND_ACTION_MASK_WRITE)) if ( !( op->actions & ZYDIS_OPERAND_ACTION_MASK_WRITE ) )
continue; continue;
// if this operand is not a register then we continue... // if this operand is not a register then we continue...
if (op->type != ZYDIS_OPERAND_TYPE_REGISTER) if ( op->type != ZYDIS_OPERAND_TYPE_REGISTER )
continue; continue;
// else we see if we can remove dead writes to this register... // else we see if we can remove dead writes to this register...
_remove(routine, itr - 1, op->reg.value, op->size); _remove( routine, itr - 1, op->reg.value, op->size );
}
} }
} }
} }
} }
} } // namespace util
} // namespace vm
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