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Last active December 18, 2017 20:56
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Steganography Notes

Images

https://github.com/subc/steganography

https://pypi.python.org/pypi/steganography/0.1.1

https://pypi.python.org/pypi/Stegano/0.8.1

https://github.com/cedricbonhomme/Stegano

Things to look for:

  • Individual pixels or groups of pixels sprinkled throughout the image that need to reassembled (look at pythong pillow/PIL)
  • Small text hidden somewhere in the image
  • embedded files: binwalk, foremost, scalpel
  • strings
  • weird headers
  • jpeginfo, esp with -cvi

Text

https://github.com/rw/plainsight

https://pypi.python.org/pypi/Plainsight/1.1.2

Audio

Look at the spectrogram for hints.

  • Morse code sprinkled through an audio transmission
  • Barcodes
  • If actual songs, maybe the song names or artists names are an anagram or acronym
  • programs piped intoaplay

http://www.audacityteam.org/

http://www.sonicvisualiser.org/

https://www.gnuradio.org/

"The generally accepted standard range of audible frequencies is 20 to 20,000 Hz" https://en.wikipedia.org/wiki/Audio_frequency

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