San Diego CTF 2023
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 CTFtimeBinary 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.
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
tROPic thunder
1 official solutionAlso written up in: KernelKrise/CTF
Turtle Shell
1 official solutionAlso written up in: KernelKrise/CTF
Reverse engineering3
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: c00c00r00c00/writeups
Engineering
1 official solutionAlso written up in: annotshy04/MySuckWrite-ups
- reversing
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Uncategorised1
The upstream scoreboard did not say, so neither do we.
Also written up in: veryloooong/CTF-WriteUps
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Secure Runner
1 official solutionAlso written up in: KernelKrise/CTF