feat: Independent "Ryujin Core as a library" for better usability

- Ryujin now includes a component called Core, where the main obfuscator logic resides. It functions as an independent library that can be used anywhere.
- RyujinConsole now operates by loading the RyujinCore library to run the obfuscator.
- This is a preparation step for additional Ryujin components, such as a future Ryujin GUI and more features like passes and advanced obfuscation options.

RyujinConsole/RyujinConsole.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 17.13.35931.197
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RyujinConsole", "RyujinConsole\RyujinConsole.vcxproj", "{1DC1BB2C-6B3E-4084-8F26-76852C709BB4}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RyujinCore", "..\RyujinCore\RyujinCore.vcxproj", "{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -21,6 +23,14 @@ Global
 		{1DC1BB2C-6B3E-4084-8F26-76852C709BB4}.Release|x64.Build.0 = Release|x64
 		{1DC1BB2C-6B3E-4084-8F26-76852C709BB4}.Release|x86.ActiveCfg = Release|Win32
 		{1DC1BB2C-6B3E-4084-8F26-76852C709BB4}.Release|x86.Build.0 = Release|Win32
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Debug|x64.ActiveCfg = Debug|x64
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Debug|x64.Build.0 = Debug|x64
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Debug|x86.ActiveCfg = Debug|Win32
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Debug|x86.Build.0 = Debug|Win32
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Release|x64.ActiveCfg = Release|x64
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Release|x64.Build.0 = Release|x64
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Release|x86.ActiveCfg = Release|Win32
+		{AEFF626B-1317-4C8F-94B3-B3D405AE65B2}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

RyujinConsole/RyujinConsole/RyujinConsole.cc

@@ -1,14 +1,42 @@
 #include <iostream>
-#include "Ryujin/Ryujin.hh"
+
+// TODO: Fit it in a new class for ryujin
+#include <vector>
+#include <Windows.h>
+class RyujinObfuscatorConfig {
+
+public:
+    bool m_isRandomSection; // Randomize the name of the new section with the processed code -> ".Ryujin" standard
+    bool m_isVirtualized; // Virtualize the code [Try as much as possible]
+    bool m_isIatObfuscation; //Process IAT Obfuscation
+    bool m_isJunkCode; // Insert junk code to confuse
+    bool m_isIgnoreOriginalCodeRemove; // Do not remove the original code after processing (replace the original instructions with NOPs)
+    bool m_isEncryptObfuscatedCode; // The user wants to encrypt all obfuscated code to avoid detection
+    std::vector<std::string> m_strProceduresToObfuscate; // Names of the procedures to obfuscate
+
+    bool RunRyujin(const std::string& strInputFilePath, const std::string& strPdbFilePath, const std::string& strOutputFilePath, RyujinObfuscatorConfig& config) {
+
+        using tpdRunRyujinCore = BOOL (__stdcall *)(const std::string& strInputFilePath, const std::string& strPdbFilePath, const std::string& strOutputFilePath, RyujinObfuscatorConfig& config);
+
+        auto hModule = LoadLibraryW(L"RyujinCore.dll");
+
+        if (!hModule) return FALSE;
+
+        auto RunRyujinCore = reinterpret_cast<tpdRunRyujinCore>(GetProcAddress(hModule, "?RunRyujinCore@@YAHAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@00AEAVRyujinObfuscatorConfig@@@Z"));
+
+        if (!RunRyujinCore) return FALSE;
+
+        return RunRyujinCore(strInputFilePath, strPdbFilePath, strOutputFilePath, config);
+    }
+
+};
+
+
 
 auto main() -> int {
 
     std::cout << "Hello World!\n";
 
-    std::unique_ptr<Ryujin> ryujin = std::make_unique<Ryujin>("C:\\Users\\Keowu\\Documents\\GitHub\\Ryujin\\RyujinConsole\\x64\\Debug\\DemoObfuscation.exe", "C:\\Users\\Keowu\\Documents\\GitHub\\Ryujin\\RyujinConsole\\x64\\Debug\\DemoObfuscation.pdb", "C:\\Users\\Keowu\\Documents\\GitHub\\Ryujin\\RyujinConsole\\x64\\Debug\\DemoObfuscation.obfuscated.exe");
-
-    ryujin.get()->listRyujinProcedures();
-
     RyujinObfuscatorConfig config;
     config.m_isIgnoreOriginalCodeRemove = FALSE;
     config.m_isJunkCode = TRUE;
@@ -17,6 +45,7 @@ auto main() -> int {
     config.m_isIatObfuscation = TRUE;
     config.m_isEncryptObfuscatedCode = TRUE;
     std::vector<std::string> procsToObfuscate{
+
         "sum",
         "sub",
         "subadd",
@@ -24,12 +53,15 @@ auto main() -> int {
         "invoke_main"
         "__scrt_common_main",
         "j___security_init_cookie"
+    
     };
     config.m_strProceduresToObfuscate.assign(procsToObfuscate.begin(), procsToObfuscate.end());
 
-    ryujin.get()->run(config);
+    auto bSuccess = config.RunRyujin("C:\\Users\\Keowu\\Documents\\GitHub\\Ryujin\\RyujinConsole\\x64\\Release\\DemoObfuscation.exe", "C:\\Users\\Keowu\\Documents\\GitHub\\Ryujin\\RyujinConsole\\x64\\Release\\DemoObfuscation.pdb", "C:\\Users\\Keowu\\Documents\\GitHub\\Ryujin\\RyujinConsole\\x64\\Release\\DemoObfuscation.obfuscated.exe", config);
 
-    ryujin.reset();
+    std::printf("Ryujin core returned: %d\n", bSuccess);
+
+    std::cin.get();
 
     return 0;
 }

RyujinConsole/RyujinConsole/RyujinConsole.vcxproj

@@ -132,23 +132,6 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="RyujinConsole.cc" />
-    <ClCompile Include="Ryujin\Ryujin.cc" />
-    <ClCompile Include="Ryujin\RyujinCore\BasicBlockerBuilder.cc" />
-    <ClCompile Include="Ryujin\RyujinCore\RyujinObfuscationCore.cc" />
-    <ClCompile Include="Ryujin\Utils\RyujinPESections.cc" />
-    <ClCompile Include="Ryujin\Utils\RyujinUtils.cc" />
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="Ryujin\Models\RyujinBasicBlock.hh" />
-    <ClInclude Include="Ryujin\Models\RyujinInstruction.hh" />
-    <ClInclude Include="Ryujin\Models\RyujinObfuscatorConfig.hh" />
-    <ClInclude Include="Ryujin\Models\RyujinProcedure.hh" />
-    <ClInclude Include="Ryujin\PDB\RyujinPdbParsing.hh" />
-    <ClInclude Include="Ryujin\Ryujin.hh" />
-    <ClInclude Include="Ryujin\RyujinCore\BasicBlockerBuilder.hh" />
-    <ClInclude Include="Ryujin\RyujinCore\RyujinObfuscationCore.hh" />
-    <ClInclude Include="Ryujin\Utils\RyujinPESections.hh" />
-    <ClInclude Include="Ryujin\Utils\RyujinUtils.hh" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

RyujinConsole/RyujinConsole/RyujinConsole.vcxproj.filters

@@ -13,72 +13,10 @@
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-    <Filter Include="Ryujin">
-      <UniqueIdentifier>{a6c99d12-960c-49be-b336-4f46735958f6}</UniqueIdentifier>
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-    <Filter Include="Ryujin\Models">
-      <UniqueIdentifier>{df02e440-42fd-4d5d-ace9-62fb1891e33c}</UniqueIdentifier>
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-    <Filter Include="Ryujin\RyujinCore">
-      <UniqueIdentifier>{cc8cdc69-0dce-4cc2-9b0d-6bba400b9599}</UniqueIdentifier>
-    </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="Ryujin\Utils\RyujinUtils.cc">
-      <Filter>Ryujin\Utils</Filter>
-    </ClCompile>
-    <ClCompile Include="Ryujin\Ryujin.cc">
-      <Filter>Ryujin</Filter>
-    </ClCompile>
     <ClCompile Include="RyujinConsole.cc">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="Ryujin\RyujinCore\BasicBlockerBuilder.cc">
-      <Filter>Ryujin\RyujinCore</Filter>
-    </ClCompile>
-    <ClCompile Include="Ryujin\Utils\RyujinPESections.cc">
-      <Filter>Ryujin\Utils</Filter>
-    </ClCompile>
-    <ClCompile Include="Ryujin\RyujinCore\RyujinObfuscationCore.cc">
-      <Filter>Ryujin\RyujinCore</Filter>
-    </ClCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="Ryujin\Models\RyujinBasicBlock.hh">
-      <Filter>Ryujin\Models</Filter>
-    </ClInclude>
-    <ClInclude Include="Ryujin\Models\RyujinInstruction.hh">
-      <Filter>Ryujin\Models</Filter>
-    </ClInclude>
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-    <ClInclude Include="Ryujin\Models\RyujinProcedure.hh">
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-      <Filter>Ryujin</Filter>
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-    <ClInclude Include="Ryujin\RyujinCore\BasicBlockerBuilder.hh">
-      <Filter>Ryujin\RyujinCore</Filter>
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-    <ClInclude Include="Ryujin\Utils\RyujinPESections.hh">
-      <Filter>Ryujin\Utils</Filter>
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-    <ClInclude Include="Ryujin\RyujinCore\RyujinObfuscationCore.hh">
-      <Filter>Ryujin\RyujinCore</Filter>
-    </ClInclude>
   </ItemGroup>
 </Project>

RyujinCore/RyujinCore.cc

@@ -0,0 +1,14 @@
+#include "RyujinCore.hh"
+
+RYUJINCORE_API BOOL __stdcall RunRyujinCore(const std::string& strInputFilePath, const std::string& strPdbFilePath, const std::string& strOutputFilePath, RyujinObfuscatorConfig& config) {
+
+    std::unique_ptr<Ryujin> ryujin = std::make_unique<Ryujin>(strInputFilePath, strPdbFilePath, strOutputFilePath);
+
+    ryujin.get()->listRyujinProcedures();
+
+    ryujin.get()->run(config);
+
+    ryujin.reset();
+
+    return TRUE;
+}

RyujinCore/RyujinCore.hh

@@ -0,0 +1,8 @@
+#ifdef RYUJINCORE_EXPORTS
+#define RYUJINCORE_API __declspec(dllexport)
+#else
+#define RYUJINCORE_API __declspec(dllimport)
+#endif
+#include "Ryujin/Ryujin.hh"
+
+RYUJINCORE_API BOOL __stdcall RunRyujinCore(const std::string& strInputFilePath, const std::string& strPdbFilePath, const std::string& strOutputFilePath, RyujinObfuscatorConfig &config);

RyujinCore/RyujinCore.vcxproj

@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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+      <Platform>Win32</Platform>
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+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
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+    <ProjectConfiguration Include="Debug|x64">
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+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>17.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{aeff626b-1317-4c8f-94b3-b3d405ae65b2}</ProjectGuid>
+    <RootNamespace>RyujinCore</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
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+    </ClInclude>
+    <ClInclude Include="Ryujin\Models\RyujinInstruction.hh">
+      <Filter>Ryujin\Models</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\Models\RyujinObfuscatorConfig.hh">
+      <Filter>Ryujin\Models</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\Models\RyujinProcedure.hh">
+      <Filter>Ryujin\Models</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\Utils\RyujinPESections.hh">
+      <Filter>Ryujin\Utils</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\Utils\RyujinUtils.hh">
+      <Filter>Ryujin\Utils</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\RyujinCore\BasicBlockerBuilder.hh">
+      <Filter>Ryujin\RyujinCore</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\RyujinCore\RyujinObfuscationCore.hh">
+      <Filter>Ryujin\RyujinCore</Filter>
+    </ClInclude>
+    <ClInclude Include="Ryujin\PDB\RyujinPdbParsing.hh">
+      <Filter>Ryujin\PDB</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="RyujinCore.cc">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="dllmain.cc">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="Ryujin\Ryujin.cc">
+      <Filter>Ryujin</Filter>
+    </ClCompile>
+    <ClCompile Include="Ryujin\Utils\RyujinPESections.cc">
+      <Filter>Ryujin\Utils</Filter>
+    </ClCompile>
+    <ClCompile Include="Ryujin\Utils\RyujinUtils.cc">
+      <Filter>Ryujin\Utils</Filter>
+    </ClCompile>
+    <ClCompile Include="Ryujin\RyujinCore\BasicBlockerBuilder.cc">
+      <Filter>Ryujin\RyujinCore</Filter>
+    </ClCompile>
+    <ClCompile Include="Ryujin\RyujinCore\RyujinObfuscationCore.cc">
+      <Filter>Ryujin\RyujinCore</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

RyujinCore/cpp.hint

@@ -0,0 +1,2 @@
+#define RYUJINCORE_API __declspec(dllexport)
+#define RYUJINCORE_API __declspec(dllimport)

RyujinCore/dllmain.cc

@@ -0,0 +1,17 @@
+#include <Windows.h>
+
+BOOL APIENTRY DllMain( HMODULE hModule, DWORD  ul_reason_for_call, LPVOID lpReserved ) {
+
+    switch (ul_reason_for_call) {
+
+        case DLL_PROCESS_ATTACH:
+        case DLL_THREAD_ATTACH:
+        case DLL_THREAD_DETACH:
+        case DLL_PROCESS_DETACH:
+            break;
+    
+    }
+
+    return TRUE;
+}
+