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VisualStudio .suo deserialization exploit

A Proof of Concept (PoC) that will create a .suo file, this .suo file and can be put into any VisualStudio code project. When the sln/project is opened it will cause code execution. This technique was discovered by cjm00nw & edwardzpeng!

Installation

This project is a Visual Studio Code project and requires Visual Studio and C# to be installed.

Usage

  1. Go to the "Releases" section of this repository.

  2. Download the latest release of "suo_exploit_test.exe"

  3. Open a command prompt or PowerShell.

  4. Run the exploit executable with the desired command, like:

    suo_exploit_test.exe input.suo injected.suo calc

    or

    suo_exploit_test.exe input.suo injected.suo cmd /c start calc

Help menu

Usage:

suo_exploit_test.exe input.suo output.suo command [optional args]

Examples:

suo_exploit_test.exe input.suo injected.suo calc

suo_exploit_test.exe input.suo injected.suo cmd /c start calc

The input.suo is an existing .suo for the program to modify

The injected.suo is the output, thats the file which when open by visual studio's will run your command

Credits

Credits to cjm00nw & edwardzpeng for discovering this technique.

Contact

Contact the Developer:

  • Telegram: moom825

  • Discord: moom825

Donation

Buy me a coffee!

BTC: bc1qg4zy8w5swc66k9xg29c2x6ennn5cyv2ytlp0a6

About

This repository is a tool to create a .suo that when run by visual studio's will achieve code execution

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