Unity Game Hacking Challenge - "Azusawa’s Gacha World" [SekaiCTF]
Video walkthrough for "Azusawa’s Gacha World", a [game] reversing challenge from Project SEKAI CTF 2023. The challenge involved memory manipulation with cheat engine (optional), reverse engineering of Unity game code (C#) in dnSpy, some network traffic analysis and HTTP traffic manipulation. Write-ups/tutorials aimed at beginners - Hope you enjoy 🙂 #SEKAICTF #ProjectSEKAI #CTF #ReverseEngineering #GameHacking #CheatEngine
You can find my full write-up here: https://github.com/Crypto-Cat/CTF/blob/main/ctf_events/sekai_23/rev/azusawas_gacha_world.md 🥰
If you liked this video and/or want to learn more about game hacking with cheat engine, check out the full tutorial series I created on the @intigriti channel: https://www.youtube.com/watch?v=ku6AtIY-Lu0&list=PLmqenIp2RQcg0x2mDAyL2MC23DAGcCR9b and the gamepwn README: https://github.com/Crypto-Cat/CTF/tree/main/game_hacking#readme
↢Social Media↣
Twitter: https://twitter.com/_CryptoCat
GitHub: https://github.com/Crypto-Cat/CTF
HackTheBox: https://app.hackthebox.eu/profile/11897
LinkedIn: https://www.linkedin.com/in/cryptocat
Reddit: https://www.reddit.com/user/_CryptoCat23
YouTube: https://www.youtube.com/CryptoCat23
Twitch: https://www.twitch.tv/cryptocat23
↢Project SEKAI CTF↣
https://ctftime.org/event/1923
https://ctf.sekai.team/challenges
https://discord.com/invite/6gk7jhCgGX
↢Resources↣
Ghidra: https://ghidra-sre.org/CheatSheet.html
Volatility: https://github.com/volatilityfoundation/volatility/wiki/Linux
PwnTools: https://github.com/Gallopsled/pwntools-tutorial
CyberChef: https://gchq.github.io/CyberChef
DCode: https://www.dcode.fr/en
HackTricks: https://book.hacktricks.xyz/pentesting-methodology
CTF Tools: https://github.com/apsdehal/awesome-ctf
Forensics: https://cugu.github.io/awesome-forensics
Decompile Code: https://www.decompiler.com
Run Code: https://tio.run
↢Chapters↣
0:00 Start
1:05 Explore functionality
2:09 Increase coins/credits with Cheat Engine
3:38 Decompile Assembly-CSharp.dll with dnSpy
5:50 Patch game code
9:39 Monitor network traffic
11:20 Manipulate HTTP requests
12:23 Decode the flag
13:18 End
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