- Participated
- with @ke2ek
- as Team:
걸어왔던 가시밭길이 지나고 보니 비단길이었구나 - in Division: University
- gained Point: 1080
- Check_Check
- Welcome challenge.
- Just QR Code.
- ENIGMA
- Cryptography.
- LOL
- Forensic. Steganography.
- SimpleMachine
- Reverse Engineering.
- The basic of code virtualization technique.
- RS
- Reverse Engineering.
- Encoding & Decoding