2022weight 21.50SSD Secure Disclosure

TyphoonCon CTF 2022

5 challenges with 7 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 CTFtime

Misc4

Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.

Solve it with:Brainfuck and esolang decoder Cipher identifier and automatic decoder Regex tester with match offsets and capture groups Learn: Recognising encodings

KnowMe
2 writeups
Same technique in picoCTF: Permissions, Specialer, Codebook
Typo
2 writeups
Same technique in picoCTF: Permissions, Specialer, Codebook
Hidden Character
1 writeup
Same technique in picoCTF: Permissions, Specialer, Codebook
See You Allocator
1 writeup
- firefox
Same technique in picoCTF: Permissions, Specialer, Codebook

Reverse engineering1

Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.

Solve it with:Strings extractor for binaries and blobs WebAssembly disassembler Java .class disassembler Python .pyc bytecode disassembler Learn: Binary exploitation

KeyGenMe
1 writeup
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300

Misc4

KnowMe

Typo

Hidden Character

See You Allocator

Reverse engineering1

KeyGenMe

Other 2022 events