2023weight 9.00SSD Secure Disclosure

TyphoonCon CTF 2023

4 challenges with 6 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

Uncategorised2

The upstream scoreboard did not say, so neither do we.

Solve it with:Cipher identifier and automatic decoder Learn: Recognising encodings

BookManager
2 official solutions
Also written up in: n132/CTF-Write-Up, khanhdlq/CTF-WriteUp
Echo Time
2 official solutions
Also written up in: n132/CTF-Write-Up, khanhdlq/CTF-WriteUp

Misc1

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

Dumb IOT Part One
500 pts1 writeup
- hardware
Same technique in picoCTF: PW Crack 2, Permissions, Specialer

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.

Solve it with:ROP gadget finder Shellcode assembler and library Cyclic pattern generator and offset finder Format string exploit builder Learn: Binary exploitation

Working.Exploit
1 official solution
Also written up in: nobodyisnobody/write-ups

Uncategorised2

BookManager

Echo Time

Misc1

Dumb IOT Part One

Binary exploitation1

Working.Exploit

Other 2023 events