TeamH4C CTF
12 challenges with 16 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 CTFtimeMisc6
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: PW Crack 2, Permissions, Specialer
message from space
1 writeupAlso written up in: pcw109550/write-up
- sstv
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: jesus-angel-rodriguez-martinez/capture-the-flag
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Dark light
1 writeupSame technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Find Hangul
1 writeupSame technique in picoCTF: PW Crack 2, Permissions, Specialer
Forensics2
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
- forensic
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
simple_forensic
1 writeupSame technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
Uncategorised2
The upstream scoreboard did not say, so neither do we.
14461009 But Its Harder
1 official solutionAlso written up in: pcw109550/write-up
OldTextbook
1 official solutionAlso written up in: pcw109550/write-up
Cryptography1
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.
14461009
1 writeup- crypto
- cipher
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- pwnable
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz