Solving A Keygen Like CrackMe

Fri, 02 Dec 2022 06:50:35 +0000

You can download the challenge binary from here. This is a keygen like crackme. Program asks you for a key that isn’t directly stored inside the program. You have to reverse the key checking algorithm to genreate key. Basically this is what a keygen is! There are a few tricks in this program as the author tried to make it little bit fun.

Run the binary and you’ll see this :

On checking your pwd you’ll notice that there’s a new file created. Opening that file reaveals nothing useful. So we jump to IDA to see it’s decompilation.

Keygen on Siddharth Mishra

Solving A Keygen Like CrackMe