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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.
Chepy has a stacking mechanism similar to Cyberchef. For example, this in Cyberchef:
This is equivalent to
from chepy import Chepy file_path = "/tmp/demo/encoding" print( Chepy(file_path) .load_file() .reverse() .rot_13() .base64_decode() .base32_decode() .hexdump_to_str() .o )
Chepy vs Cyberchef
- Chepy is pure python with a supporting and accessible python api
- Chepy has a CLI
- Chepy CLI has full autocompletion.
- Supports pe, elf, and other various file format specific parsing.
- 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.
- Chepy is not a web app (at least for now).
- Chepy does not offer every single thing that Cyberchef does
- Chepy does not have the
magicmethod (at the moment)
Chepy can be installed in a few ways.
pip3 install chepy
git clone --recursive 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)
docker run --rm -ti -v $PWD:/data securisec/chepy "some string" [somefile, "another string"]
One can build Chepy to be a standalone binary also. This includes packaging all the dependencies together.
git clone https://github.com/securisec/chepy.git cd chepy pip install . pip install pyinstaller pyinstaller cli.py --name chepy --onefile
The binary will be in the dist/ folder.
.. toctree:: :maxdepth: 3 :caption: Contents: usage.md examples.md cli.rst chepy.md core.md modules.rst extras.rst plugins.md pullrequest.md config.md faq.md Indices and tables ================== * :ref:`genindex` * :ref:`modindex` * :ref:`search`
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