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
Boring_APK #android-native-reversing #meet-in-the-middle (mitm)	BKISC 2026	–	Reverse	files wu 1
Merge	BKISC 2026	–	Reverse	files
Split	BKISC 2026	–	Reverse	files
Tetris	BKISC 2026	–	Reverse	files
ezAES	BKISC 2026	–	Reverse	files