San Diego CTF 2021
23 challenges with 65 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 CTFtimeMisc18
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
A Bowl of Pythons
7 writeupsSame technique in picoCTF: PW Crack 1, PW Crack 2, PW Crack 3
Lost in Transmission
6 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
Git Good
5 writeupsSame technique in picoCTF: Blame Game, Collaborative Development, Commitment Issues
A Primed Hash Candidate
4 writeupsSame technique in picoCTF: PW Crack 1, PW Crack 2, PW Crack 3
Same technique in picoCTF: Permissions, Specialer, Codebook
Apollo 1337
4 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
This flag has been stolen
4 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
hIDe and seek
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
hIDe and seek 2
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
Speed Studying
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
Speed Studying 2
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
una acies
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
printFAILED
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Binary exploitation3
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Flag dROper
1 writeup- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
- rop
Same technique in picoCTF: Guessing Game 1, x-sixty-what, Binary Gauntlet 3
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.
A Prime Hash Candidate
5 writeupsSame technique in picoCTF: hashcrack, It is my Birthday 2, StegoRSA
Forensics1
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
No flag for you
3 writeupsSame technique in picoCTF: FindAndOpen, c0rrupt, extensions