Writeups & Research

// CTF, competition & security research writeups

2025

HTB University CTF 2025 Dec 19 to 20
HTB Hacktheboo2025 Competition Oct 24 to 28
PicoCTF2025 Mar 8 to 18

Security Research

Reverse engineering a malicious "wedding invitation" APK: tracing the Telegram exfiltration endpoint 2025
SSH honeypot detection pipeline: Cowrie + Wazuh + Telegram alerting 2025

Contact

Want to collab, hire, or ask about a writeup? Reach out.

Email: murayat99@gmail.com

LinkedIn: Muhammad Rayhan Widayat