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Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

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Higher weight ≈ harder, more prestigious event.

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8 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
3_Ball_Mark	WHY 2025 Finals	–	Reverse	files
Gamerboy	WHY 2025 Finals	–	Reverse	files
Hacker_Event_DB	WHY 2025 Finals	–	Reverse	files
Keypad	WHY 2025 Finals	–	Reverse	files
Lazy_Code_1.0	WHY 2025 Finals	–	Reverse	files
Lazy_Code_2.0	WHY 2025 Finals	–	Reverse	files
Zen_Master	WHY 2025 Finals	–	Reverse	files
aSYMMETRICK	WHY 2025 Finals	–	Reverse	files