This CTF was organized by Google as a “Beginner’s Quest” in late 2021. While it wasn’t that tough, I found it to be quite hard as a newbie. I waited ’til mid 2022 to release these writeups because the challenge was still ongoing.

Writeups hosted on Github

CTF hosted here

Successful tries

• lvl1
• lvl2
• lvl3
• lvl4
• lvl5
• lvl6
• lvl8
• lvl11
• lvl12
• lvl13
• lvl14
• lvl15
• lvl16 (but the flag is refused ?!)
• lvl17

Didn’t finish these ones

• lvl7 (RSA)
• lvl9 (Memory-APK forensics)
• lvl10 (CCTV signal)
• lvl18 (Rust custom VM)