Day | Challenge | Category |
---|---|---|
1 | Secure Bank | OSINT |
2 | Sleigh redirects | HTTP + programming |
3 | Secret message | password cracking |
4 | Lorem Ipsum | forensics (pdf) |
5 | Elfs program | reverse engineering (.NET) |
6 | x.owasp.si | cloud (AWS S3) |
7 | Letter to Santa | cryptography |
8 | Tech-savvy kid | forensics (text) |
9 | Icevault | reverse engineering (android) |
10 | Present | JS deobfuscation + cryptography |
11 | y.owasp.si | cloud (AWS Lambda) |
12 | Light show | reverse engineering |
13 | Weird transmissions | forensics (network) |
14 | Naughty and nice list | HTTP + cryptography (AES) |
15 | Santa Claus | steganography (SVG) |
16 | Send a letter | web (XXE) |
17 | Best of jokes | binary exploitation (pwn) |
18 | Santa's Authenticator | reverse engineering (android) |
19 | Reindeer Tracker 5000 | reverse engineering (.NET) |
20 | SharePoint | cloud (SharePoint) |
21 | Gravity Falls | web |
22 | Baby Format | binary exploitation (pwn) |
23 | Keygen to the Kingdom | reverse engineering (c) |
24 | Santa's Web Challenge | web |