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

Country

Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
Last_Standing_Bacaro #lsb-steganography	Bhackari 2026	–	Misc	files wu 1
World_Cup_1 #lsb-steganography	LYKNCTF 2026	–	Forensics	files wu 1
Big_JPG #lsb-steganography #steghide	BlueHens 2023	24.61	Misc	files wu 1
Least_Significant_Color #lsb-steganography	BlueHens 2023	24.61	Misc	files wu 2