diff --git a/CMakeLists.txt b/CMakeLists.txt
index b9ee349..02857c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,6 +54,7 @@ list(APPEND vmprofiler_SOURCES
"src/vminstrs.cpp"
"src/vmlocate.cpp"
"src/vmprofiles/add.cpp"
+ "src/vmprofiles/imul.cpp"
"src/vmprofiles/jmp.cpp"
"src/vmprofiles/lconst.cpp"
"src/vmprofiles/lreg.cpp"
diff --git a/include/vminstrs.hpp b/include/vminstrs.hpp
index 726c5ae..d55eda1 100644
--- a/include/vminstrs.hpp
+++ b/include/vminstrs.hpp
@@ -17,6 +17,7 @@ enum class mnemonic_t {
mul,
imul,
nand,
+ nor,
read,
write,
shl,
@@ -144,14 +145,17 @@ extern profiler_t add;
extern profiler_t lvsp;
extern profiler_t svsp;
extern profiler_t nand;
+extern profiler_t nor;
extern profiler_t read;
extern profiler_t write;
+extern profiler_t imul;
///
/// unsorted vector of profiles... they get sorted once at runtime...
///
-inline std::vector profiles = {
- &write, &svsp, &read, &nand, &lvsp, &add, &jmp, &sreg, &lreg, &lconst};
+inline std::vector profiles = {&imul, &nor, &write, &svsp,
+ &read, &nand, &lvsp, &add,
+ &jmp, &sreg, &lreg, &lconst};
///
/// no i did not make this by hand, you cannot clown upon me!
diff --git a/src/vmprofiles/imul.cpp b/src/vmprofiles/imul.cpp
new file mode 100644
index 0000000..acf28e4
--- /dev/null
+++ b/src/vmprofiles/imul.cpp
@@ -0,0 +1,67 @@
+#include
+
+namespace vm::instrs {
+profiler_t imul = {
+ "IMUL",
+ mnemonic_t::imul,
+ {{// MOV REG, [VSP]
+ LOAD_VALUE,
+ // MOV REG, [VSP+OFFSET]
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+ instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+ instr.operands[1].mem.base == vsp &&
+ instr.operands[1].mem.disp.has_displacement;
+ },
+ // IMUL REG
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_IMUL &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ },
+ // MOV [VSP+OFFSET], REG
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ 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 == vsp &&
+ instr.operands[0].mem.disp.has_displacement &&
+ instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ },
+ // PUSHFQ
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
+ },
+ // POP [VSP]
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+ instr.operands[0].mem.base == vsp;
+ }}},
+ [&](zydis_reg_t& vip,
+ zydis_reg_t& vsp,
+ hndlr_trace_t& hndlr) -> std::optional {
+ vinstr_t res{mnemonic_t::imul};
+ res.imm.has_imm = false;
+
+ const auto imul_reg = std::find_if(
+ hndlr.m_instrs.begin(), hndlr.m_instrs.end(),
+ [&](emu_instr_t& instr) -> bool {
+ const auto& i = instr.m_instr;
+ return i.mnemonic == ZYDIS_MNEMONIC_IMUL &&
+ i.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ });
+
+ res.stack_size = imul_reg->m_instr.operands[0].size;
+ return res;
+ }};
+}
\ No newline at end of file
diff --git a/src/vmprofiles/nor.cpp b/src/vmprofiles/nor.cpp
index e69de29..b9db467 100644
--- a/src/vmprofiles/nor.cpp
+++ b/src/vmprofiles/nor.cpp
@@ -0,0 +1,79 @@
+#include
+
+namespace vm::instrs {
+profiler_t nor = {
+ "NOR",
+ mnemonic_t::nor,
+ {{// MOV REG, [VSP]
+ LOAD_VALUE,
+ // MOV REG, [VSP+OFFSET]
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+ instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+ instr.operands[1].mem.base == vsp &&
+ instr.operands[1].mem.disp.has_displacement;
+ },
+ // NOT REG
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_NOT &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ },
+ // OR REG, REG
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_OR &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+ instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ },
+ // MOV [VSP+OFFSET], REG
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ 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 == vsp &&
+ instr.operands[0].mem.disp.has_displacement &&
+ instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ },
+ // PUSHFQ
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
+ },
+ // POP [VSP]
+ [&](const zydis_reg_t vip,
+ const zydis_reg_t vsp,
+ const zydis_decoded_instr_t& instr) -> bool {
+ return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
+ instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+ instr.operands[0].mem.base == vsp;
+ }}},
+ [&](zydis_reg_t& vip,
+ zydis_reg_t& vsp,
+ hndlr_trace_t& hndlr) -> std::optional {
+ vinstr_t res{mnemonic_t::nand};
+ res.imm.has_imm = false;
+
+ // MOV [VSP+OFFSET], REG
+ const auto mov_vsp_reg = std::find_if(
+ hndlr.m_instrs.begin(), hndlr.m_instrs.end(),
+ [&](emu_instr_t& instr) -> bool {
+ const auto& i = instr.m_instr;
+ return i.mnemonic == ZYDIS_MNEMONIC_MOV &&
+ i.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+ i.operands[0].mem.base == vsp &&
+ i.operands[0].mem.disp.has_displacement &&
+ i.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+ });
+
+ res.stack_size = mov_vsp_reg->m_instr.operands[1].size;
+ return res;
+ }};
+}
\ No newline at end of file