yy00306
Solves
| Challenge | Category | Value | Time |
| Beginner Reverse 1 | Reverse Engineering | 50 | |
| Warm Up | Warm Up | 20 | |
| Base64 | Warm Up | 20 | |
| QR | Warm Up | 20 | |
| Year 1993 by Urban Müller | Cryptography | 300 | |
| Beginner Reverse 2 | Reverse Engineering | 50 | |
| File Signature | Forensics | 20 | |
| Shark Of Wire | Forensics | 20 | |
| Shark Of Wire 2 | Forensics | 20 |