CTF Writeups

Forensics, malware analysis, incident response, and more from competitions worldwide.

All 7 Forensics 7 Malware 3 Reverse Engineering 3 Web 1 Crypto 4 Walkthroughs 2 #Steganography
Walkthrough

Steganography for CTFs & Forensics

A practical steganography guide: a repeatable methodology, then images (PNG/JPEG/GIF/BMP), audio (spectrograms, LSB, DTMF, SSTV), text and whitespace, documents, and password attacks, with the real commands and small Python scripts for each technique.

Steganography Forensics Image Forensics Audio Forensics +1
Beginner → Advanced • ~35 min read · ⏱ 27 min Read
5 writeups

Friendly Securinets CTF 2026

Walkthroughs for 41 Friendly Securinets CTF 2026 challenges: forensics from file repair to memory, TLS, cloud and hardware analysis, plus one reverse-engineering and one web challenge.

Friendly Securinets CTF 2026 Forensics Reverse Engineering Web Security
41 Challenges • Forensics • RE • Web · ⏱ 2 min Read