zsteg

Steganography detection tool for PNG and BMP file formats.

TLDR

Detect embedded data in a PNG image

>_ zsteg [path/to/image.png]
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Detect embedded data in a BMP image, using all known methods

>_ zsteg --all [path/to/image.bmp]
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Detect embedded data in a PNG image, iterating pixels vertically and using MSB first

>_ zsteg --msb --order yx [path/to/image.png]
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Detect embedded data in a BMP image, specifying the bits to consider

>_ zsteg --bits [1,2,3|1-3] [path/to/image.bmp]
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Detect embedded data in a PNG image, extracting only prime pixels and inverting bits

>_ zsteg --prime --invert [path/to/image.png]
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Detect embedded data in a BMP image, specifying the minimum length of the strings to be found and the find mode

>_ zsteg --min-str-len [10] --strings [first|all|longest|none] [path/to/image.bmp]
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