zsteg
Detect LSB steganography in PNG/BMP.
KaliParrotpassive
pkg: zsteg
zsteg finds data hidden in PNG/BMP images via LSB and other common stego techniques.
Syntax
zsteg {file}
Example
zsteg secret.png
Scans the image for LSB-hidden data across channels.
Advantages
- Great for CTF PNG/BMP stego
- Many detection modes
Disadvantages
- PNG/BMP only
- False positives
Tags
#steganography#ctf
Official docs: zsteg ↗
Related commands
Frequently asked questions
What is zsteg used for?
zsteg finds data hidden in PNG/BMP images via LSB and other common stego techniques.
What is an example zsteg command?
A common example is: zsteg secret.png — Scans the image for LSB-hidden data across channels.
Is zsteg part of Kali Linux?
Yes. zsteg ships with Kali Linux (and Parrot OS). If missing, install it with: sudo apt install zsteg.
What category of security tool is zsteg?
zsteg is a Forensics tool with a passive-risk profile when run against a live target.
Try recon tools live
Run real scans against a domain you control, stage by stage.