imagesteg

imagesteg (formerly imgsteg) is a simple image steganalysis (steganography analysis) tool in Python with web-based GUI. A quick alternative to StegSolve.

Features

• Provides Python API, CLI, and interactive web interface

Usage examples

$ imagesteg ui examples/problem.png # Launch web interface
Listening on http://localhost:8080/
Hit Ctrl-C to quit.

$ imagesteg extract_bit_plane examples/problem.png output.png --bit b0

$ imagesteg extract_bits examples/stg300.png --bits r0
Congrats
You win!
The
Flag
is
4E34B38257200616FB75CD869B8C3CF0 *** Congrats
...

Install

pip install imagesteg

Uninstall:

pip uninstall imagesteg

Todo

• Add examples
• Add usage

References

• StegSolve http://www.caesum.com/handbook/stego.htm
• Stegpy https://www.balda.ch/posts/2013/Jun/04/release-stegpy/
• 青い空を見上げればいつもそこに白い猫 https://digitaltravesia.jp/usamimihurricane/webhelp/_RESOURCE/MenuItem/another/anotherAboutSteganography.html