PolyU x NuttyShell Cybersecurity CTF 2025 Writeup

I recently participated in the PolyU x NuttyShell Cybersecurity CTF 2025 and won first place in the tertiary category, so I wanted to share my write-up of the challenges I solved.

Meme: types of CTF writeup Image Source

Here is the challenge I solved (not all of them):

NuttyBot

NuttyBot係我哋嘅好朋友。係個好有用嘅機械人。成日都會幫我哋手。

More…

護渏手 Super

P** 都唔係咁好用 ૮(˶ㅠ︿ㅠ)ა,用自己model好過啦。 備注:你不用完成 K1K1_Soldiers 來解決呢條問題。

More…