Challenges

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

Difficulty Beginner Easy Medium Hard Insane

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Higher weight ≈ harder, more prestigious event.

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Challenge	CTF	Weight	Category	Has
ready_for_xmas #buffer-overflow #ret2system #badchars-bypass	X-MAS 2020	–	Misc	files wu 1