I've been messing around with John, and when I attempt to crack an SSH hash, I receive this output.

enter image description here

Any clue why the cracked hash is displaying the gibberish??

I used ssh2john to convert the key to a crackable hash, then used the output in John.

I'm running Kali 2021.2 on a VM, which is fully updated.

I also receive the same type of output when attempting to crack different hash formats as well.

  • Related: security.stackexchange.com/questions/224109/…
    – mti2935
    Jul 17, 2021 at 19:16
  • Could you recheck you results with an un-gziped rockyou.txt file? Judging by the file extension of your wordlist it looks like it is in gzip format and not raw txt (e.g. you would need to run something like "gzip -d rockyou.txt.gz" before you use the file). That could explain the results when trying to crack a format that has false-positives.
    – Denis
    Jul 17, 2021 at 19:34
  • Ty! The devil is in the details. I overlooked that the rockyou file was still zipped, unzipped it and worked like a charm
    – Mackalacka
    Jul 20, 2021 at 22:12
  • 1
    Does this answer your question? How do I crack an id_rsa encrypted private key with john the ripper? Aug 19, 2022 at 19:50
  • I’m voting to close this question because it is off-topic and turned out to be simple user error
    – schroeder
    Aug 21, 2022 at 12:11


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