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// arsenal·SteganographyBeginnerFOSS

zsteg

PNG/BMP steganography detection — LSB extraction, signature scanning.

Steganography

$ zsteg --help

zsteg

// what it is

Description

Ruby tool that auto-checks PNG/BMP files for common stego encoding schemes — LSB in various channels, ASCII strings extraction, embedded files.

// use cases

What people use it for

  • CTF PNG stego
  • Quick LSB extraction

// commands

The commands you'll type

Default scan

$ zsteg image.png

Try every bit-order

$ zsteg -a image.png

// facts

category
Steganography
platforms
LIN · MAC
license
FOSS
difficulty
Beginner

// related in Steganography