ctf-writeups

WHY2025 CTF

Link: https://ctf.why2025.org/home

CTFTime: https://ctftime.org/event/2680

Result: 1600 Points, 140th Place

Solved Challenges:

Crypto:

• Somkracht 65537
• Substitute Teacher

Forensics:

• Painted Black
• The Wizard

Misc:

• Just One Line
• Twenty Three Drivers

Network:

• Captcha 2.0
• Ransomware Attack
• Scan Me

Pwnable:

• 3 Ball Mark
• Lazy Code 1.0
• Lazy Code 2.0
• Old Memes Never Die
• Simple AI Bot

Web:

• Buster
• Planets
• Shoe Shop 1.0
• WHY2025 CTF Times