Syskron Security CTF 2019
10 challenges with 11 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 CTFtimeForensics4
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
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
Misc3
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- secret
Same technique in picoCTF: Permissions, Specialer, Codebook
- trivia
Same technique in picoCTF: Permissions, Specialer, Codebook
- secret
Same technique in picoCTF: Permissions, Specialer, Codebook
Cryptography2
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
OSINT1
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