Asian Cyber Security Challenge (ACSC) 2021

The ACSC is the regional final of the International Cybersecurity Challenge (ICC) — a global CTF competition, supported by the European Union Agency for Cybersecurity (ENISA).

Writeups

Web

• API

• Baby Developer

• Favorite Emojis

• Cowsay as a Service

Crypto

• RSA Stream

Pwn

• Filtered

Forensics

• NYONG Coin

Results

I ended up 33rd in the global scoreboard, and 3rd in Singapore.

I definitely have a lot more to learn! Nevertheless, this CTF was really fun :)