TSG CTF 2023
34 challenges with 90 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 CTFtimeMisc21
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: satoki/ctf_writeups, x-vespiary/writeup, satoki/ctf_writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: a-p-n/CTF-solutions
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: moratorium08/ctf_writeups, shift-crops/CTFWriteups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: a-p-n/CTF-solutions
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup, satoki/ctf_writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: x-vespiary/writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: x-vespiary/writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: moratorium08/ctf_writeups, shift-crops/CTFWriteups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: shift-crops/CTFWriteups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: x-vespiary/writeup
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: moratorium08/ctf_writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: x-vespiary/writeup
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
Uncategorised10
The upstream scoreboard did not say, so neither do we.
2023 11 04 Upside Down Cake
2 official solutionsAlso written up in: encuetee/CTF-writeups, nqthangcs/CTF-writeups
Encrypt
2 official solutionsAlso written up in: a-p-n/CTF-solutions, a-p-n/CTF-solutions
Agent
1 official solutionAlso written up in: shift-crops/CTFWriteups
Check
1 official solutionAlso written up in: satoki/ctf_writeups
Conduit
1 official solutionAlso written up in: moratorium08/ctf_writeups
Mini Cyberchef
1 official solutionAlso written up in: shift-crops/CTFWriteups
Mini Cyberchef Production
1 official solutionAlso written up in: shift-crops/CTFWriteups
Also written up in: shift-crops/CTFWriteups
Renewal
1 official solutionAlso written up in: shift-crops/CTFWriteups
True Version
1 official solutionAlso written up in: shift-crops/CTFWriteups
Binary exploitation2
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
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.
Also written up in: pcw109550/write-up, pcw109550/write-up
- crypto
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC