korsader on 5:14 AM 10/24/2021: Enter key(9 chars length):I am back
Success
alireza-razavi on 3:49 PM 10/25/2021: There is a bug!
We can bypass your application just by entering 1 character 'I' and we will get 'success'
Pretty cool :)
pranav on 1:43 PM 10/30/2021: yes it's buggy but I found it after I uploaded
Wimpie on 11:02 PM 11/08/2021: The answer is: I am back
Done with x32dbg
Wimpie on 11:05 PM 11/08/2021: It was ma first crackme. It was a little bit difficult but awesome to do. Thanks for de crackme. I did not found the bug unfortunately until i read about it.
ArpitNayak on 1:27 PM 11/10/2021: How every one is cracking it i am unable to open the zip file also where is the password?
0x11 on 1:52 PM 11/12/2021: Hi guys. pls post a solution, i don't understand the crackme
konechnozhe on 4:06 PM 11/25/2021: Passing null symbol works as well, powershell ex. 'echo `0 | .\simpl.exe' ;p
ten-ten on 12:32 PM 11/30/2021: Can be deciphered using python script, statically analyzing the binary for the encoded key and reversing it using a for loop.
mikefanof on 7:11 PM 12/20/2021: Mine just closes upon any input with no further output. Gonna skip.
Dola123312 on 11:02 PM 07/03/2022: write 2 byte nop to 0x004026F6
write jmp 0x004026F6 to 0x00402688
thanks for sharing!
CyGhost on 11:27 PM 01/21/2023: When i type asnwer it just exist's
You must me logged to submit a solution
Solution by ten-ten: Python solver script to restore the original key.