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⛏ Crackme Algorithm

Created: 24.09.2020


  1. Look at the strings fs strings and f in radare2 or rabin -zz
  2. Find xrefs for the strings of interest axt @ str.blahblah
  3. Determine the input’s length

Crackme #1

This one I had to do when applying for a job a while ago. I knew nothing about reverse engineering at that time and little I knew about assembly. And it was the time when I found out about crackme.

Crackme #2

Crackme #3