vort3xed / chalgen

A CTF challenge generator.

chalgen

chalgen generates challenges and evidence for CTFs using a tree based format

Past Competitions

Competition	Writeup	Source Code
MCPS HSF 2023	Writeup	Source Code

Prerequisites

Note: This is not required for Github Codespaces. Everything will be installed automatically.

• Install ffmpeg from here
• Install Docker from here
• Install kubectl from here
• Install minikube from here (only required for local testing)
• Install python3 from here
• Install go from here
• Make sure to clone this repository with git clone --recurse-submodules to get the submodules

pip install -r requirements.txt

Simple Usage

Run the application:

python chalgen.py --help

Example challenge generator command

python main.py chal gen -c tests/test_ctf/base64/chal.yaml

For a more detailed explanation of the commands available, see our docs.

Todos

We have some TODOs here. These are challenge ideas we have not implemented yet.