https://dreamhack.io/wargame/challenges/?type=ctf

player wp:

https://g0riya.github.io/posts/2022-Spring-GoN-Open-Qual-Writeup/

Offical wp:

https://hackmd.io/@Xion/goq_22s_authors_writeup

PWN:

NullNull:

I know there’s been some trust issues on “baby” CTF chals, but this really is a NullNull(colloquially “spacious”, “easy” in KR) pwnable chal…

NullNull.zip

Oxidized:

We cannot swim against the tide.
Now it’s time to learn the hottest and oxidized system programming language.

Note : This challenge is designed for beginners.
You don’t have to worry like “I’ve never encountered Rust!” or “I have no idea what Box, drop, or as_ref is!”.
As we’ve always done, look at the source code, google what it is, and see how it’s represented as a binary.
You can definitely solve this challenge and make step up.

Untitled

Oxidized.zip

Trino: Rendezvous

Stage 3 - 1R
endezvous back to Zero with this one weird trick!
Note: All Trino chal server & public files are equivalent (excluding Specfile descriptions).

Trino Rendezvous.zip

Trino: Mirai