s4tanic0d3

After more than 10 years I decided to write a new Crackme challenge. The binary contains some tricks, with some revivals from old sk00l era :) If you find it interesting and you want to write a tutorial, I'll be happy to add the link to your tutorial in this page. Enjoy!

If you think to have find a bug, please open an issue or send me a DM on twitter: https://twitter.com/s4tan

Requirements

The program runs only on 64-bit systems

Description

Difficulty: Hard

You can download the binary from: https://github.com/enkomio/s4tanic0d3/releases/tag/1.0

SHA-1: 3F73CF764F1E84DECCF85B902C71722D2230A0C5

Valid ID/License:

ID: s4tan

License: cc144ggc057cc4402dgg44gg66cc22

ID: antani

License: 0c2h7h35g66gg4600446gg66003

Here is a link to the crackme ending screen :)

Goals:

• Find a valid ID/License pair
• Write a license generator

Solutions

• Blind solving a crackme by s4tan - Part 1, by: ZetaTwo
• Blind solving a crackme by s4tan - Part 2, by: ZetaTwo
• Blind solving a crackme by s4tan - Part 3, by: ZetaTwo

Updates:

• 2020/11/20 - Source code released
• 2020/10/30 - Updated binary to fix an issue in case of invalid license