UMDCTF 2022
21 challenges with 31 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 CTFtimeMisc14
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
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
jdata
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
Same technique in picoCTF: Permissions, Specialer, Codebook
Blockchain 1 - Hashcash
1 writeup- blockchain
Same technique in picoCTF: PW Crack 1, PW Crack 2, PW Crack 3
Same technique in picoCTF: Permissions, Specialer, Codebook
ChungusBot v2
1 writeup- miscellaneous
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
RSI 1
1 writeup- miscellaneous
Same technique in picoCTF: Permissions, Specialer, Codebook
RSI 2
1 writeup- misc
Same technique in picoCTF: Permissions, Specialer, Codebook
Binary exploitation5
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: Guessing Game 1, x-sixty-what, format string 3
- shellcode
- seccomp
- pwn
Same technique in picoCTF: Binary Gauntlet 2, ropfu, solfire
Kernel Infernal 1
1 writeupSame technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Kernel Infernal 2
1 writeupSame technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
- heap-overflow
Same technique in picoCTF: Guessing Game 1, x-sixty-what, PIE TIME 2
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- re
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
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: scrambled-bytes, FindAndOpen, c0rrupt