Added some new vmprofiles

include/vminstrs.hpp

@@ -24,6 +24,7 @@ enum class mnemonic_t : uint8_t {
   nop,
   nor,
   read,
+  readbzxw, //Read byte zero extend to word
   write,
   shl,
   shld,
@@ -292,17 +293,22 @@ extern profiler_t nand;
 extern profiler_t nop;
 extern profiler_t nor;
 extern profiler_t read;
+extern profiler_t readbzxw;
 extern profiler_t write;
 extern profiler_t imul;
+extern profiler_t shl;
+extern profiler_t shld;
 extern profiler_t shr;
+extern profiler_t shrd;
+extern profiler_t shrd;
 extern profiler_t vmexit;
 
 /// <summary>
 /// unsorted vector of profiles... they get sorted once at runtime...
 /// </summary>
 inline std::vector<profiler_t*> profiles = {
-    &vmexit, &shr, &imul, &nor,  &write, &svsp,   &read, &nand,
-    &lvsp,   &add, &jmp,  &sreg, &lreg,  &lconst, &nop};
+    &vmexit, &shl, &shld, &shr, &shrd, &imul, &nor,  &write, &svsp,   &read, &readbzxw, 
+    &nand, &lvsp,   &add, &jmp,  &sreg, &lreg,  &lconst, &nop};
 
 /// <summary>
 /// no i did not make this by hand, you cannot clown upon me!

src/vmprofiles/readbzxw.cpp

@@ -0,0 +1,40 @@
+#include <vminstrs.hpp>
+
+namespace vm::instrs {
+profiler_t readbzxw = {
+    "READ",
+    mnemonic_t::readbzxw,
+    {{// MOV REG, [VSP]
+      LOAD_VALUE,
+      // MOVZX REG, [REG]
+      [](const zydis_reg_t vip, const zydis_reg_t vsp,
+         const zydis_decoded_instr_t& instr) -> bool {
+        return instr.mnemonic == ZYDIS_MNEMONIC_MOVZX &&
+               instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+               instr.operands[0].size == 16 &&
+               instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+               instr.operands[1].size == 8 &&
+               instr.operands[1].mem.base != vsp;
+      },
+      // MOV [VSP], REG
+      STR_VALUE}},
+    [](zydis_reg_t& vip, zydis_reg_t& vsp,
+       hndlr_trace_t& hndlr) -> std::optional<vinstr_t> {
+      vinstr_t res{mnemonic_t::read};
+      res.imm.has_imm = false;
+
+      // MOV REG, [REG]
+      const auto mov_reg_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_MOVZX &&
+                   i.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+                   i.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY &&
+                   i.operands[1].mem.base != vsp;
+          });
+
+      res.stack_size = mov_reg_reg->m_instr.operands[0].size;
+      return res;
+    }};
+}

src/vmprofiles/shl.cpp

@@ -0,0 +1,63 @@
+#include <vminstrs.hpp>
+
+namespace vm::instrs {
+profiler_t shl = {
+    "SHR",
+    mnemonic_t::shl,
+    {{// 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;
+      },
+      // SHL REG, REG
+      [](const zydis_reg_t vip, const zydis_reg_t vsp,
+         const zydis_decoded_instr_t& instr) -> bool {
+        return instr.mnemonic == ZYDIS_MNEMONIC_SHL &&
+               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> {
+      vinstr_t res{mnemonic_t::shr};
+      res.imm.has_imm = false;
+
+      const auto shr_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_SHL &&
+                   i.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+                   i.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+          });
+
+      res.stack_size = shr_reg->m_instr.operands[0].size;
+      return res;
+    }};
+}

src/vmprofiles/shld.cpp

@@ -0,0 +1,73 @@
+#include <vminstrs.hpp>
+
+namespace vm::instrs {
+profiler_t shld = {
+    "SHR",
+    mnemonic_t::shld,
+    {{// 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;
+      },
+      // 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;
+      },
+      // SHL REG, REG
+      [](const zydis_reg_t vip, const zydis_reg_t vsp,
+         const zydis_decoded_instr_t& instr) -> bool {
+        return instr.mnemonic == ZYDIS_MNEMONIC_SHLD &&
+               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> {
+      vinstr_t res{mnemonic_t::shr};
+      res.imm.has_imm = false;
+
+      const auto shr_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_SHLD &&
+                   i.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+                   i.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+          });
+
+      res.stack_size = shr_reg->m_instr.operands[0].size;
+      return res;
+    }};
+
+}

src/vmprofiles/shrd.cpp

@@ -0,0 +1,73 @@
+#include <vminstrs.hpp>
+
+namespace vm::instrs {
+profiler_t shrd = {
+    "SHR",
+    mnemonic_t::shrd,
+    {{// 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;
+      },
+      // 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;
+      },
+      // SHR REG, REG
+      [](const zydis_reg_t vip, const zydis_reg_t vsp,
+         const zydis_decoded_instr_t& instr) -> bool {
+        return instr.mnemonic == ZYDIS_MNEMONIC_SHRD &&
+               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> {
+      vinstr_t res{mnemonic_t::shr};
+      res.imm.has_imm = false;
+
+      const auto shr_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_SHRD &&
+                   i.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
+                   i.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
+          });
+
+      res.stack_size = shr_reg->m_instr.operands[0].size;
+      return res;
+    }};
+
+}