Break the Syntax CTF 2025
8 challenges with 8 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeMisc5
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Chiroptera Timida
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
copypasta
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
- misc
- rust
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Reverse engineering3
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- reverse
- engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- reverse
- engineering
Same technique in picoCTF: Secure Password Database, vault-door-6, OTP Implementation
- reverse
- engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300