updated to vmprofiler v1.5, preparing for JCC stuff...

.clang-format

@@ -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
+
+...

dependencies/vmprofiler

@@ -1 +1 @@
-Subproject commit 50fd6c75b41e3a1ae8e4061c6c31c26298902cfa
+Subproject commit 8ffe1cac5017b0258a44c1bbe9254621be771147

dependencies/xtils

@@ -1 +1 @@
-Subproject commit 09d0342da61c74b08a95ee284a8b25c742ca89c1
+Subproject commit 7c32517322c29a866cbb1e67fb9051efa2e05553

src/main.cpp

@@ -2,14 +2,15 @@
 #include <fstream>
 #include <unicorn/unicorn.h>
 #include <cli-parser.hpp>
+#include <xtils.hpp>
+
 #include "vmemu_t.hpp"
 
 int __cdecl main(int argc, const char* argv[])
 {
-	argparse::argument_parser_t parser("uc-tracer", 
-		"VMProtect 2 Virtual Instruction Tracer Using Unicorn");
+    argparse::argument_parser_t parser( "VMEmu", "VMProtect 2 Static VM Handler Emulator" );
 
-	parser.add_argument()
+    parser.add_argument()
 		.name("--vmentry").required(true)
 		.description("relative virtual address to a vm entry...");
 
@@ -17,18 +18,10 @@ int __cdecl main(int argc, const char* argv[])
 		.name("--vmpbin").required(true)
 		.description("path to unpacked virtualized binary...");
 
-	parser.add_argument()
-		.name("--imagebase").required(true)
-		.description("image base from optional PE header...");
-
 	parser.add_argument()
 		.name("--out").required(true)
 		.description("output file name for trace file...");
 
-	parser.add_argument()
-		.name("--advancement").required(true)
-		.description("the way in which the virtual instruction pointer advances... 'forward' or 'backward'...");
-
 	parser.enable_help();
 	auto result = parser.parse(argc, argv);
 
@@ -49,13 +42,46 @@ int __cdecl main(int argc, const char* argv[])
 	const auto vm_entry_rva = std::strtoull(
 		parser.get<std::string>("vmentry").c_str(), nullptr, 16);
 
-	const auto image_base = std::strtoull(
-		parser.get<std::string>("imagebase").c_str(), nullptr, 16);
+	const auto image_base = 
+		xtils::um_t::get_instance()->image_base( 
+			parser.get< std::string >( "vmpbin" ).c_str() );
 
 	const auto module_base = reinterpret_cast<std::uintptr_t>(
 		LoadLibraryExA(parser.get<std::string>("vmpbin").c_str(), 
 			NULL, DONT_RESOLVE_DLL_REFERENCES));
 
+	zydis_routine_t vm_entry, calc_jmp;
+    if ( !vm::util::flatten( vm_entry, vm_entry_rva + module_base ) )
+    {
+        std::printf( "> failed to flatten vm entry...\n" );
+        return -1;
+    }
+
+    vm::util::deobfuscate( vm_entry );
+    std::printf( "> flattened vm entry...\n" );
+    std::printf( "> deobfuscated vm entry...\n" );
+    std::printf( "==================================================================================\n" );
+    vm::util::print( vm_entry );
+
+    if ( !vm::calc_jmp::get( vm_entry, calc_jmp ) )
+    {
+        std::printf( "> failed to get calc_jmp...\n" );
+        return -1;
+    }
+
+	vm::util::deobfuscate( calc_jmp );
+    std::printf( "> calc_jmp extracted from vm_entry... calc_jmp:\n" );
+    std::printf( "==================================================================================\n" );
+    vm::util::print( calc_jmp );
+
+    const auto advancment = vm::calc_jmp::get_advancement( calc_jmp );
+
+    if ( !advancment.has_value() )
+    {
+        std::printf( "> failed to determine advancment...\n" );
+        return -1;
+    }
+
 	std::vector<vmp2::entry_t> entries;
 	vm::emu_t emu(vm_entry_rva, image_base, module_base);
 
@@ -80,8 +106,7 @@ int __cdecl main(int argc, const char* argv[])
 
 	file_header.epoch_time = time(nullptr);
 	file_header.entry_offset = sizeof file_header;
-	file_header.advancement = parser.get<std::string>("advancement") == 
-		"forward" ? vmp2::exec_type_t::forward : vmp2::exec_type_t::backward;
+    file_header.advancement = advancment.value();
 
 	file_header.version = vmp2::version_t::v1;
 	file_header.module_base = module_base;
@@ -96,5 +121,4 @@ int __cdecl main(int argc, const char* argv[])
 
 	output.close();
 	std::printf("> finished writing trace to disk...\n");
-	std::getchar();
 }

src/vmemu.vcxproj

@@ -129,7 +129,7 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions);_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions);_CRT_SECURE_NO_WARNINGS;ZYDIS_STATIC_DEFINE</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
@@ -145,7 +145,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions);_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions);_CRT_SECURE_NO_WARNINGS;ZYDIS_STATIC_DEFINE</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <Optimization>Disabled</Optimization>
       <LanguageStandard>stdcpp17</LanguageStandard>

src/vmemu_t.cpp

@@ -15,10 +15,7 @@ namespace vm
 
 	bool emu_t::init()
 	{
-		//
 		// vmprofiler init stuff...
-		//
-
 		if (!vm::util::flatten(vm_entry, vm_entry_rva + module_base))
 		{
 			std::printf("[!] failed to get vm entry...\n");
@@ -42,13 +39,10 @@ namespace vm
 		}
 
 		std::printf("> got all vm handlers...\n");
-		for (const vm::handler_t& vm_handler : vm_handlers)
+		for (const vm::handler::handler_t& vm_handler : vm_handlers)
 			std::printf(">>> handler addr = 0x%p\n", vm_handler.address);
 
-		//
 		// unicorn init stuff...
-		//
-
 		const auto image_size =
 			NT_HEADER(module_base)->OptionalHeader.SizeOfImage;
 
@@ -202,7 +196,8 @@ namespace vm
 			ZydisDecoderInit(&decoder,
 				ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_ADDRESS_WIDTH_64); });
 
-		if (address == obj->vm_entry[obj->vm_entry.size() - 1].addr)
+        // last instruction in vm_entry is jmp rcx/rdx...
+        if (address == obj->vm_entry[obj->vm_entry.size() - 1].addr)
 		{
 			uc_err err;
 			vmp2::entry_t new_entry;
@@ -238,7 +233,7 @@ namespace vm
 			// checks to see if the address 
 			// in JMP RDX/RCX is a vm handler address...
 			static const auto vm_handler_check =
-				[&](const vm::handler_t& vm_handler) -> bool
+				[&](const vm::handler::handler_t& vm_handler) -> bool
 			{ return vm_handler.address == reg_val; };
 
 			if (std::find_if(obj->vm_handlers.begin(), obj->vm_handlers.end(),

src/vmemu_t.hpp

@@ -2,8 +2,8 @@
 #include <exception>
 #include <cstdint>
 #include <unicorn/unicorn.h>
-#include <xtils/xtils.hpp>
-#include <vm.h>
+#include <xtils.hpp>
+#include <vmprofiler.hpp>
 #include <functional>
 #include <mutex>
 #include <vmp2.hpp>
@@ -35,7 +35,7 @@ namespace vm
 
 		zydis_routine_t vm_entry;
 		std::uintptr_t* vm_handler_table;
-		std::vector<vm::handler_t> vm_handlers;
+		std::vector<vm::handler::handler_t> vm_handlers;
 		std::vector<vmp2::entry_t>* trace_entries;
 	};
 }