This is a classic crackme. Figure out all the checks on the license key to create your own. When a successful key is detected it contacts a web url to grab your flag. If there are any web server errors DM ladderlogix on Discord.
Rusty Lock
Category
Points
Author
Reverse engineering
110
l
ladderlogic
Solves (31)
| 1 |  minipif | 12/05 3:31 pm |
| 2 |  tudor | 12/05 4:01 pm |
| 3 |  pligonstein | 12/05 4:43 pm |
| 4 |  unpwnbl | 12/05 6:16 pm |
| 5 |  godlyavenger | 12/05 6:57 pm |
| 6 |  boomanten10 | 12/05 7:16 pm |
| 7 |  silence_ | 12/06 2:46 pm |
| 8 |  _4n3s | 12/06 5:07 pm |
| 9 |  _vow_ | 12/07 1:12 am |
| 10 |  mr_mph | 12/09 10:33 pm |
| 11 |  theb4tmite | 12/10 7:52 am |
| 12 |  raul_26 | 12/10 1:47 pm |
| 13 |  heartstoller | 12/12 3:02 am |
| 14 |  monstermanyana_47633 | 12/15 9:31 pm |
| 15 | test123450604 | 12/16 3:44 am |
| 16 |  andreicat | 12/16 10:43 am |
| 17 |  trixai | 12/17 3:54 pm |
| 18 |  elijah5399 | 12/18 12:39 am |
| 19 | kush001607 | 12/18 4:46 am |
| 20 |  ryuun1corn | 12/20 6:26 am |
| 21 | f00var | 12/20 6:22 pm |
| 22 | awdyan_ | 12/23 7:59 am |
| 23 |  zarnex__ | 12/23 5:41 pm |
| 24 |  obet | 12/24 5:07 am |
| 25 |  captainbl | 12/24 8:16 am |
| 26 | concealbear | 12/25 12:04 am |
| 27 |  papa9995 | 12/25 2:25 am |
| 28 |  isee9917 | 12/26 5:13 am |
| 29 |  _vga_ | 12/26 5:58 pm |
| 30 | wilsonwei_cs | 12/27 11:14 am |
| 31 | jumbotron.__38029 | 12/31 2:58 pm |
Submit flag
Discuss this challenge with others in #🎄丨advent-of-ctf on our Discord server.
Need help with a challenge? Is a challenge broken? DM @ModMail in our Discord server.