Challenges

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

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

Year

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
lslice #lua #oob-read #fake-object	SECCON 2022 Quals	97.90	Pwn	files wu 1
fakeobj.py #cpython #fake-object	DownUnderCTF 2025	91.66	Pwn	files src