1337UP LIVE CTF
49 challenges with 106 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 CTFtimeMisc36
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Also written up in: Aryt3/writeups, 0xSirawit/Capture-The-Flag-Events, 0xSirawit/Capture-The-Flag-Events, khanhdlq/CTF-WriteUp
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups, Aryt3/writeups, nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup, D13David/ctf-writeups, nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup, Aryt3/writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups, 0xSirawit/Capture-The-Flag-Events
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup, nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: nisinsoba/ctf-writeup, nisinsoba/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups, 0xSirawit/Capture-The-Flag-Events
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup, kerupuksambel/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups, D13David/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Codebook, convertme.py
Also written up in: nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- 1337rokudenashi
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: D13David/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Over The Wire 1
1 official solutionAlso written up in: nightxade/ctf-writeups
Over The Wire 2
1 official solutionAlso written up in: nightxade/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Uncategorised4
The upstream scoreboard did not say, so neither do we.
Bruteforcer
2 official solutionsAlso written up in: Aryt3/writeups, Aryt3/writeups
Also written up in: khanhdlq/CTF-WriteUp
BugReport
1 official solutionAlso written up in: r2dev2/CTF
Leeky Comics
1 official solutionAlso written up in: daffainfo/ctf-writeup
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.
Also written up in: D13David/ctf-writeups, D13David/ctf-writeups
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Retro As As Service
2 official solutionsAlso written up in: D13David/ctf-writeups, D13David/ctf-writeups
Hidden
1 official solutionAlso written up in: 4n86rakam1/writeup
Cryptography3
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.
Share It 1
3 official solutionsAlso written up in: sajjadium/ctf-archives, nisinsoba/ctf-writeup, nisinsoba/ctf-writeup
Also written up in: D13David/ctf-writeups
Share It 2
1 official solutionAlso written up in: sajjadium/ctf-archives
Reverse engineering2
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: D13David/ctf-writeups, nightxade/ctf-writeups
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: D13David/ctf-writeups
OSINT1
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
Same technique in picoCTF: CVE-XXXX-XXXX