GREP CTF
7 challenges with 7 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 CTFtimeMisc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Same technique in picoCTF: Permissions, Specialer, Codebook
Doctored image
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
- misc
Same technique in picoCTF: Permissions, Specialer, Codebook
- misc
Same technique in picoCTF: Permissions, Specialer, Codebook
OSINT2
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
- osint
Same technique in picoCTF: Permissions, Specialer, Codebook
- osint
Same technique in picoCTF: Permissions, Specialer, Codebook
Forensics1
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions