zsteg

all

Steganography detection tool for PNG and BMP file formats. It detects LSB steganography, ZLIB-compressed data, OpenStego, Camouflage, and LSB with the Eratosthenes set.

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Examples (6)

Detect embedded data in a PNG

zsteg path/to/image.png

Detect embedded data in a BMP image, using all known methods

zsteg --all path/to/image.bmp

Detect embedded data in a PNG, iterating pixels vertically and using MSB first

zsteg --msb --order yx path/to/image.png

Detect embedded data in a BMP image, specifying the bits to consider

zsteg --bits 1,2,3|1-3 path/to/image.bmp

Detect embedded data in a PNG, extracting only prime pixels and inverting bits

zsteg --prime --invert path/to/image.png

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

made by @shridhargupta | data from tldr-pages