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Date: Thu, 12 Apr 2007 07:29:26 +0400
From: Solar Designer <>
Subject: Re: john does not recognise some special characters

On Wed, Apr 11, 2007 at 08:07:43PM +0300, Giannis Mantzouranis wrote:
> I found running john 1.7.2 or john for windows binary that some 
> characters such as ~ ! ; are not used by john in password cracking. For 
> example. I use the password 34~56asdfghj and then put it in a wordlist and 
> try to crack it and it does not appear in found passwords.(john.pot) Any 
> suggestions?

I cannot confirm this problem.  I have passwords with these characters
in my john.pot.  (I am not using Windows, but it should not matter.)

I've just tested with the above password ("34~56asdfghj") hashed as LM
and NTLM, and it got cracked with JtR 1.7.2 + Alain's patch just fine
(for both hash types).  Obviously, for the LM hash, I needed to run the
wordlist with --rules to get the second half cracked (with the "-s x**"

What hash type are you cracking?  Can you please provide a specific
example - a line from a password file that you run John on and the
corresponding plaintext password that John fails to crack?


Alexander Peslyak <solar at>
GPG key ID: 5B341F15  fp: B3FB 63F4 D7A3 BCCC 6F6E  FC55 A2FC 027C 5B34 1F15 - bringing security into open computing environments

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