# TSG CTF 2025

CTFTime: [https://ctftime.org/event/2867](<https://ctftime.org/event/2867>)

Played with @Rosayxy.

Web:

- [image-compress-revenge](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/image-compress-revenge.html>)

Crypto:

- [bingo](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/bingo.html>)
- [PtQagain](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/ptqagain.html>)
- [The Strongest Exponent I Thought 2](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/the-strongest-exponent-i-thought-2.html>)

Misc:

- [Chatbot](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/chatbot.html>)
- [SafePickle](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/safe-pickle.html>)
- [Sudoers Maze](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/sudoers-maze.html>)

Reverse:

- [shadow\_spider\_network](<https://jia.je/ctf-writeups/2025-12-20-tsg-ctf-2025/shadow-spider-network.html>)