$ ctf42

#john CTF challenges

2 CTF challenges using john from 2 CTFs (2021–2025), 2 with writeups. Mostly Forensics (50%) and Crypto (50%).

Forensics · 1 Crypto · 1

Often combined with

#zip-password-cracking 1 #zip2john 1 #zip-cracking 1

Challenges

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Challenge CTF Weight Category Has
Strong_password DCTF 2021 – Crypto files wu 3
zip2john2zip BuckeyeCTF 2025 – Forensics files wu 1