X-MAS CTF 2022
8 challenges with 17 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 CTFtimeUncategorised6
The upstream scoreboard did not say, so neither do we.
Gimis Wonderland
2 official solutionsAlso written up in: giggsterpuku/CTF-Writeups, solocshaw/yet-another-ctf-writeups
Naughty List
2 official solutionsAlso written up in: giggsterpuku/CTF-Writeups, giggsterpuku/CTF-Writeups
Dont Trust Snakes
1 official solutionAlso written up in: solocshaw/yet-another-ctf-writeups
Krampus' Greetings
1 official solutionAlso written up in: giggsterpuku/CTF-Writeups
Presents
1 official solutionAlso written up in: solocshaw/yet-another-ctf-writeups
Strange Circles
1 official solutionAlso written up in: solocshaw/yet-another-ctf-writeups
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.
Also written up in: giggsterpuku/CTF-Writeups, Internaut401/CTF_Competitions_Writeup, Internaut401/CTF_Writeup, solocshaw/yet-another-ctf-writeups, giggsterpuku/CTF-Writeups
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Krampus' Gifts
1 writeupAlso written up in: Internaut401/CTF_Competitions_Writeup, Internaut401/CTF_Writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer