| Name | Points | Tags | Writeups | |
|---|---|---|---|---|
| Keep It Simple | 500 | crypto | 1 | |
| The Big Election Hack | 488 | emails web firebase | 1 | |
| thou shall pass? | 48 | reversing angr | 2 | |
| World's most complex SQL Query | 484 | web vm sql | 1 | |
| PMB | 50 | misc python | 1 | |
| Ken Kutaragi's Secret Code | 498 | reverse_engineering emulator emulation retro disassembly mips | 1 | |
| Krampus's Lair | 492 | python3 jail | 1 | |
| Santa's public key factory | 226 | prng crypto rsa | 2 | |
| Too low voltage | 435 | crypto rsa-crt fault | 1 | |
| Naughty | 50 | binaryexploitation | 0 | |
| Help a Santa helper? | 240 | hash-collision aes crypto | 2 | |
| cat_clicker | 474 | web md5 git | 1 | |
| Vault | 496 | reverse engineering | 1 | |
| Ransomware | 498 | engineering reverse | 1 | |
| Bad GameBoy trade | 494 | forensic | 1 | |
| Scrambled Carol | 47 | crypto | 1 | |
| Santa Computing | 388 | timing | 1 | |
| The Cat | 359 | wireshark forensics | 1 | |
| Talkative | 490 | emulation reversing | 1 | |
| EMU 1.0 | 462 | emulation | 1 | |
| Lost List | 396 | crypto | 1 | |
| Comfort Bot | 432 | web | 1 | |
| Dox the Yak v4 | 491 | osint | 1 | |
| DESTRUCTION | 383 | forensics volatility | 1 | |
| Complaints | 50 | shell linux redirection | 3 | |
| Ready for Xmas? | 85 | pwn | 1 | |
| lil wishes db | 359 | pwn libc | 2 | |
| Santa's Penthouse (Work in Progress) | 484 | printf pwn | 1 | |
| Ministerul Mediului, Apelor și Pădurilor | 476 | pwn mmap | 1 | |
| Slowest Fastest | 500 | programming | 1 | |
| Santa's consolation | 50 | web webexploitation | 2 | |
| Least Greatest | 50 | programming | 3 | |
| Santa's ELF holomorphing machine | 500 | programming | 3 | |
| Biggest Lowest | 50 | programming | 5 | |
| Many Paths | 400 | programming graphs adjacency walks matrices paths | 4 | |
| Peculiar gifts | 462 | steganography guessing stego steghide | 1 | |
| Santa's Landing Pad | 354 | hardware | 2 | |
| X-MAS Chan | 470 | web jwt | 1 | |
| PHP Master | 33 | web | 3 | |
