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vmprofiler-cli
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Merge branch 'dev' into 'master'

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merge linux changes to master

See merge request vmp2/vmprofiler-cli!8
master
_xeroxz 3 years ago
parent e9b5ff97b9 e321ef10dd
commit 7555880278
3 changed files with 43 additions and 138 deletions
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2
dependencies/vmprofiler vendored

@ -1 +1 @@
Subproject commit d96f065dd3a696f0b0ef790378e287f2356ecc8d
Subproject commit c746d04f1b0c0f8880b8fb792c7663dfafb3c980

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samples.rar
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179
src/main.cpp
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@ -1,12 +1,31 @@
#include <Windows.h>
#include <ZydisExportConfig.h>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <algorithm>
#include <nt/image.hpp>
#include <cli-parser.hpp>
#include <vmprofiler.hpp>
auto open_binary_file( const std::string &file, std::vector< uint8_t > &data ) -> bool
{
std::ifstream fstr( file, std::ios::binary );
if ( !fstr.is_open() )
return false;
fstr.unsetf( std::ios::skipws );
fstr.seekg( 0, std::ios::end );
const auto file_size = fstr.tellg();
fstr.seekg( NULL, std::ios::beg );
data.reserve( static_cast< uint32_t >( file_size ) );
data.insert( data.begin(), std::istream_iterator< uint8_t >( fstr ), std::istream_iterator< uint8_t >() );
return true;
}
int __cdecl main( int argc, const char *argv[] )
{
argparse::argument_parser_t parser( "vmprofiler-cli", "virtual machine information inspector" );
@ -14,24 +33,10 @@ int __cdecl main( int argc, const char *argv[] )
parser.add_argument().names( { "--vmentry", "--entry" } ).description( "rva to push prior to a vm_entry" );
parser.add_argument().name( "--showhandlers" ).description( "show all vm handlers..." );
parser.add_argument().name( "--showhandler" ).description( "show a specific vm handler given its index..." );
parser.add_argument().name( "--vmp2file" ).description( "path to .vmp2 file..." );
parser.add_argument()
.name( "--indexes" )
.description( "displays vm handler table indexes for a given vm handler name such as 'READQ', or 'WRITEQ'..." );
parser.add_argument()
.name( "--scanfortables" )
.description( "scans all executable sections for vm handler tables..." );
parser.add_argument()
.name( "--showvirtinstrs" )
.description( "show the virtual instructions of a specific virtual routine..." );
parser.add_argument().name( "--showallrtns" ).description( "shows all information for all virtual routines..." );
parser.add_argument()
.name( "--rtnaddr" )
.description( "rva of the virtualized routine to apply another action upon such as --showallblocks..." );
parser.add_argument().name( "--indexes" ).description( "displays vm handler table indexes for a given vm handler name such as 'READQ', or 'WRITEQ'..." );
parser.enable_help();
auto err = parser.parse( argc, argv );
const auto umtils = xtils::um_t::get_instance();
if ( err )
{
@ -45,7 +50,7 @@ int __cdecl main( int argc, const char *argv[] )
return 0;
}
if ( parser.exists( "bin" ) && parser.exists( "scanfortables" ) )
if ( parser.exists( "bin" ) && parser.exists( "vmentry" ) )
{
if ( !std::filesystem::exists( parser.get< std::string >( "bin" ) ) )
{
@ -53,41 +58,33 @@ int __cdecl main( int argc, const char *argv[] )
return -1;
}
const auto module_base = reinterpret_cast< std::uintptr_t >(
LoadLibraryExA( parser.get< std::string >( "bin" ).c_str(), NULL, DONT_RESOLVE_DLL_REFERENCES ) );
auto result = vm::locate::all_handler_tables( module_base );
std::vector< std::uint32_t > handler_table_rvas;
std::for_each( result.begin(), result.end(), [ & ]( const vm::locate::vm_handler_table_info_t &data ) {
if ( std::find( handler_table_rvas.begin(), handler_table_rvas.end(), data.rva ) ==
handler_table_rvas.end() )
handler_table_rvas.push_back( data.rva );
} );
std::printf( "{\n" );
for ( auto &table_rva : handler_table_rvas )
std::printf( "\t0x%x,\n", table_rva );
std::printf( "}\n" );
}
if ( parser.exists( "bin" ) && parser.exists( "vmentry" ) )
{
if ( !std::filesystem::exists( parser.get< std::string >( "bin" ) ) )
std::vector<std::uint8_t> module_data, tmp;
if(!open_binary_file(parser.get< std::string >( "bin" ), module_data))
{
std::printf( "> path to protected file is invalid... check your cli args...\n" );
std::printf("[!] failed to open binary = %s\n", parser.get< std::string >( "bin" ).c_str());
return -1;
}
const auto module_base = reinterpret_cast< std::uintptr_t >(
LoadLibraryExA( parser.get< std::string >( "bin" ).c_str(), NULL, DONT_RESOLVE_DLL_REFERENCES ) );
auto img = reinterpret_cast<win::image_t<>*>(module_data.data());
auto image_size = img->get_nt_headers()->optional_header.size_image;
tmp.resize(image_size);
std::memcpy(tmp.data(), module_data.data(), 0x1000);
std::for_each(img->get_nt_headers()->get_sections(),
img->get_nt_headers()->get_sections() + img->get_nt_headers()->file_header.num_sections,
[&](const auto& section_header)
{
std::memcpy(tmp.data() + section_header.virtual_address,
module_data.data() + section_header.ptr_raw_data,
section_header.size_raw_data);
});
const auto module_base = reinterpret_cast<std::uintptr_t>(tmp.data());
const auto vm_entry_rva = std::strtoull( parser.get< std::string >( "vmentry" ).c_str(), nullptr, 16 );
const auto image_base = umtils->image_base( parser.get< std::string >( "bin" ).c_str() );
const auto image_size = NT_HEADER( module_base )->OptionalHeader.SizeOfImage;
const auto image_base = img->get_nt_headers()->optional_header.image_base;
std::printf( "> module base = 0x%p, image base = 0x%p, image size = 0x%p\n", module_base, image_base,
image_size );
std::printf( "> module base = %p, image base = %p, image size = %p, vm entry = 0x%x\n", module_base, image_base,
image_size, vm_entry_rva );
vm::ctx_t vmctx( module_base, image_base, image_size, vm_entry_rva );
@ -177,96 +174,4 @@ int __cdecl main( int argc, const char *argv[] )
std::printf( "}\n" );
}
}
if ( !parser.exists( "vmp2file" ) )
return {};
std::vector< std::uint8_t > vmp2file;
if ( !umtils->open_binary_file( parser.get< std::string >( "vmp2file" ), vmp2file ) )
{
std::printf( "[!] failed to open vmp2 file...\n" );
return -1;
}
const auto file_header = reinterpret_cast< vmp2::v4::file_header * >( vmp2file.data() );
if ( file_header->version != vmp2::version_t::v4 )
{
std::printf( "[!] invalid vmp2 file version... this build uses v4...\n" );
return -1;
}
auto first_rtn = reinterpret_cast< vmp2::v4::rtn_t * >( reinterpret_cast< std::uintptr_t >( file_header ) +
file_header->rtn_offset );
if ( parser.exists( "showallrtns" ) )
{
for ( auto [ rtn_block, rtn_idx ] = std::pair{ first_rtn, 0ull }; rtn_idx < file_header->rtn_count;
++rtn_idx, rtn_block = reinterpret_cast< vmp2::v4::rtn_t * >(
reinterpret_cast< std::uintptr_t >( rtn_block ) + rtn_block->size ) )
{
std::printf( "[rtn_0x%p (vm enter rva = 0x%x)] number of code blocks = %d\n",
rtn_block->code_blocks[ 0 ].vip_begin, rtn_block->vm_enter_offset,
rtn_block->code_block_count );
for ( auto [ code_block, block_idx ] = std::pair{ &rtn_block->code_blocks[ 0 ], 0ull };
block_idx < rtn_block->code_block_count;
++block_idx, code_block = reinterpret_cast< vmp2::v4::code_block_t * >(
reinterpret_cast< std::uintptr_t >( code_block ) + code_block->next_block_offset ) )
{
std::printf( " [blk_0x%p] number of virtual instructions = %d\n", code_block->vip_begin,
code_block->vinstr_count );
}
}
}
if ( parser.exists( "showvirtinstrs" ) && parser.exists( "rtnaddr" ) )
{
auto rtn_addr = std::stoull( parser.get< std::string >( "rtnaddr" ).c_str(), nullptr, 16 );
for ( auto [ rtn_block, rtn_idx ] = std::pair{ first_rtn, 0ull }; rtn_idx < file_header->rtn_count;
++rtn_idx, rtn_block = reinterpret_cast< vmp2::v4::rtn_t * >(
reinterpret_cast< std::uintptr_t >( rtn_block ) + rtn_block->size ) )
{
if ( rtn_block->code_blocks[ 0 ].vip_begin == rtn_addr )
{
for ( auto [ code_block, block_idx ] = std::pair{ &rtn_block->code_blocks[ 0 ], 0ull };
block_idx < rtn_block->code_block_count;
++block_idx, code_block = reinterpret_cast< vmp2::v4::code_block_t * >(
reinterpret_cast< std::uintptr_t >( code_block ) +
code_block->next_block_offset ) )
{
std::printf( "[blk_0x%p] number of virtual instructions = %d\n", code_block->vip_begin,
code_block->vinstr_count );
std::printf( "> -----------------------------------------------------------------------\n" );
std::printf( "> opcode | virtual instructions | virtual instruction pointer\n" );
std::printf( "> -----------------------------------------------------------------------\n" );
auto block_vinstrs = reinterpret_cast< vm::instrs::virt_instr_t * >(
reinterpret_cast< std::uintptr_t >( code_block ) + sizeof vmp2::v4::code_block_t +
( code_block->num_block_addrs * 8 ) );
for ( auto idx = 0u; idx < code_block->vinstr_count; ++idx )
{
const auto vinstr = &block_vinstrs[ idx ];
const auto vm_profile = vm::handler::get_profile( vinstr->mnemonic_t );
if ( vinstr->operand.has_imm )
{
std::printf( "> %-6x | %-15s %-15p | 0x%p\n", vinstr->opcode,
vm_profile ? vm_profile->name : "UNK", vinstr->operand.imm.u,
ABS_TO_IMG( vinstr->trace_data.vip, file_header->module_base,
file_header->image_base ) );
}
else
{
std::printf( "> %-6x | %-32s | 0x%p\n", vinstr->opcode,
vm_profile ? vm_profile->name : "UNK",
ABS_TO_IMG( vinstr->trace_data.vip, file_header->module_base,
file_header->image_base ) );
}
}
}
}
}
}
}
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