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Chepy

https://raw.githubusercontent.com/securisec/chepy/master/docs/assets/ctf.gifSolving a CTF with Chepy

Chepy is a python library with a handy cli that is aimed to mirror some of the capabilities of CyberChef. A reasonable amount of effort was put behind Chepy to make it compatible to the various functionalities that CyberChef offers, all in a pure Pythonic manner. There are some key advantages and disadvantages that Chepy has over Cyberchef. The Cyberchef concept of stacking different modules is kept alive in Chepy.

There is still a long way to go for Chepy as it does not offer every single ability of Cyberchef.

Installation

Chepy can be installed in a few ways.

Pypi

pip3 install chepy

Git

git clone https://github.com/securisec/chepy.git
cd chepy
pip3 install -e .
# I use -e here so that if I update later with git pull, I dont have it install it again (unless dependencies have changed)

Pipenv

git clone https://github.com/securisec/chepy.git
cd chepy
pipenv install

Chepy vs Cyberchef

Advantages

  • Chepy is pure python with a supporting and accessible python api
  • Chepy has a CLI
  • Chepy CLI has full autocompletion.
  • Extendable via plugins
  • Infinitely scalable as it can leverage the full Python library.
  • Chepy can interface with the full Cyberchef web app to a certain degree. It is easy to move from Chepy to Cyberchef if need be.
  • The Chepy python library is significantly faster than the Cyberchef Node library.
  • Works with HTTP/S requests without CORS issues.