CTF Writeups

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

All 5 Forensics 5 Malware 3 Reverse Engineering 2 Web 1 Crypto 3 Walkthroughs 1
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
Hard

Cybertek CTF — Malsou9a

Full analysis of a .NET malware implant found in a memory dump — from DLL extraction and AES key recovery to C2 communication, PDF payload analysis, and JavaScript deobfuscation to retrieve the flag from Azure Blob Storage.

Memory Forensics Malware Analysis AES Encryption C2 Analysis +3
Memory Forensics • Malware Analysis · ⏱ 7 min Read
Medium 3 writeups

Securinets CTF Quals 2025

Detailed overview of the Securinets CTF Qualifications 2025. Competed with Team Mojo Jojo and achieved 38th place (5th in North Africa). This documents the overall event and links to detailed challenge writeups.

CTF Forensics Team Mojo Jojo Securinets
3 Challenges Solved • 38th Place · ⏱ 3 min Read