added LCONSTW virtual instruction

merge-requests/3/head
_xeroxz 4 years ago
parent 6fa384cf69
commit ac50fe5128

@ -53,6 +53,7 @@ namespace vm
LCONSTWSXQ,
LCONSTWSXDW,
LCONSTDW,
LCONSTW,
READQ,
READDW,
@ -134,6 +135,7 @@ namespace vm
extern vm::handler::profile_t lconstq;
extern vm::handler::profile_t lconstdw;
extern vm::handler::profile_t lconstw;
extern vm::handler::profile_t lconstbzxw;
extern vm::handler::profile_t lconstbsxdw;
@ -170,13 +172,14 @@ namespace vm
extern vm::handler::profile_t vmexit;
inline std::vector< vm::handler::profile_t * > all = {
&sregq, &sregdw, &sregw, &lregq, &lregdw, &lconstq, &lconstbzxw, &lconstbsxdw,
&lconstbsxq, &lconstdwsxq, &lconstwsxq, &lconstwsxdw, &lconstdw, &addq, &adddw, &addw,
&sregq, &sregdw, &sregw, &lregq, &lregdw, &lconstq, &lconstbzxw,
&lconstbsxdw, &lconstbsxq, &lconstdwsxq, &lconstwsxq, &lconstwsxdw, &lconstdw, &lconstw,
&addq, &adddw, &addw,
&shlq, &shldw, &writeq, &writedw, &writeb, &nandq, &nanddw,
&shrq, &shrw, &readq, &readdw, &mulq, &pushvsp, &divq, &jmp,
&vmexit, &call };
&shrq, &shrw, &readq, &readdw, &mulq, &pushvsp, &divq,
&jmp, &vmexit, &call };
} // namespace profile
} // namespace handler
} // namespace vm

@ -30,6 +30,52 @@ namespace vm
instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_RAX;
} } } };
vm::handler::profile_t lconstdw = {
// SUB RBP, 4
// MOV [RBP], EAX
"LCONSTDW",
LCONSTDW,
32,
{ { // SUB RBP, 4
[]( const zydis_decoded_instr_t &instr ) -> bool {
return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[ 1 ].imm.value.u == 0x4;
},
// MOV [RBP], EAX
[]( const zydis_decoded_instr_t &instr ) -> bool {
return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
} } } };
vm::handler::profile_t lconstw = {
// SUB RBP, 2
// MOV [RBP], AX
"LCONSTW",
LCONSTW,
16,
{ { // SUB RBP, 2
[]( const zydis_decoded_instr_t &instr ) -> bool {
return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[ 1 ].imm.value.u == 0x2;
},
// MOV [RBP], AX
[]( const zydis_decoded_instr_t &instr ) -> bool {
return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_AX;
} } } };
vm::handler::profile_t lconstbzxw = {
// MOV AL, [RSI]
// SUB RBP, 2
@ -188,29 +234,6 @@ namespace vm
instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
} } },
vm::handler::extention_t::sign_extend };
vm::handler::profile_t lconstdw = {
// SUB RBP, 4
// MOV [RBP], EAX
"LCONSTDW",
LCONSTDW,
32,
{ { // SUB RBP, 4
[]( const zydis_decoded_instr_t &instr ) -> bool {
return instr.mnemonic == ZYDIS_MNEMONIC_SUB &&
instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[ 0 ].reg.value == ZYDIS_REGISTER_RBP &&
instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE &&
instr.operands[ 1 ].imm.value.u == 0x4;
},
// MOV [RBP], EAX
[]( const zydis_decoded_instr_t &instr ) -> bool {
return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
instr.operands[ 0 ].mem.base == ZYDIS_REGISTER_RBP &&
instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
instr.operands[ 1 ].reg.value == ZYDIS_REGISTER_EAX;
} } } };
} // namespace profile
} // namespace handler
} // namespace vm
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