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
nips #tea-cipher #upx-unpacking #mips	BCACTF 2025	–	Reverse	files wu 1
imPACKful #upx-unpacking	1337UP 2023	24.23	Reverse	files wu 1
Ware #upx-unpacking #reverse-engineering	0x41414141 2021	–	Reverse	files wu 2
hash #upx-unpacking #golang-reversing	0x41414141 2021	–	Reverse	files wu 2