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2021/05/15 00:00 JST — 2021/05/17 06:59 JST
| tag | problem | comment | score | solved |
|---|---|---|---|---|
| Misc | Bad Apple | Audacity, QR code | 200 | 159 |
| Reversing | Bell | Ghidra | 100 | 218 |
| Misc | Don't let it run | strings | 100 | 328 |
| Misc | Dragon | image forensics | 100 | 394 |
| Misc | Encrypted the flag I have | font, Gonk Droid Medium | 100 | 352 |
| Misc | Extraterrestrial Communication | SSTV | 200 | 166 |
| Misc | Hidden message | image, embed data | 100 | 345 |
| Crypto | Julius' ancient script | ROT | 100 | 352 |
| Crypto | Just Take Your Time | DES3, fixed iv | 200 | 135 |
| Misc | Leak Spin | OSINT? | 100 | 298 |
| Web | Simple web | DevTools | 100 | 864 |
| Crypto | This one is really basic | Base64 | 300 | 242 |
| Web | Very secure website | PHP, magic hash | 200 | 399 |
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1950 points
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189 / 1084 (> 1 pt)