U-FCH
99th place
65 points
Awards
Solves
| Challenge | Category | Value | Time |
| Hidden information | Intro - STEGANOGRAPHY | 5 | |
| Traffic analysis | Intro - FORENSICS | 5 | |
| Unshadow Root | Intro - CRYPTO | 5 | |
| A historical source code fragment | FORENSICS | 10 | |
| 63 74 66 7b 57 33 6c 63 30 6d 33 54 30 43 72 79 70 74 30 7d | Intro - CRYPTO | 5 | |
| Affine cipher algorithm | CRYPTO | 10 | |
| Very good programming language | Intro - Reversing | 5 | |
| The Grammys | Intro - OSINT | 5 | |
| Do you know him? | Intro - OSINT | 5 | |
| Ilusion | Intro - FORENSICS | 5 | |
| Waldo | Intro - FORENSICS | 5 |