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Date: Wed, 22 Apr 2015 21:53:58 +0200
From: Micha Borrmann <johnusers@...rmann.syss.de>
To: john-users@...ts.openwall.com
Subject: Re: NTLM proxy auth
Am 22.04.2015 um 21:51 schrieb magnum:
> On 2015-04-17 09:29, Micha Borrmann wrote:
>> Am 17.04.2015 um 00:28 schrieb Frank Dittrich:
>>> On 04/17/2015 12:05 AM, Micha Borrmann wrote:
>>>> thanks for the hints. I manually created the hashfile and it seems
>>>> there
>>>> is a bug in JtR: I know one password but JtR was not able to recover
>>>> it.
>>>> But with another tool (oclHashcat), it was possible to recover it (and
>>>> to confirm, that my hash was extracted correctly).
>>>
>>> Can you supply a sample hash and the known password?
>>> Then someone could look into this.
>>
>> There are information like name of the used active directory in the
>> hash. For privacy reasons, I will not distribute it.
>
> Was this with 1.8.0-jumbo-1 or some later snapshot? Our NET*LM* formats
> are pretty well tested in our Test Suite so I wonder what could be going
> on here.
>
> Was this NTLMv1, as in -m 5500 for Hashcat? Was it formatted just like
> on the Hashcat samples page, or was there any difference in what fields
> were used/empty?
> http://hashcat.net/wiki/doku.php?id=example_hashes
>
> Was there any non-ascii character involved (in names or plaintext)? I
> guess this is not the problem because Hashcat can only do 8859-1 and
> that's what we do by default. Although if you did change codepage
> settings in john.conf (eg. to UTF-8), this could be a problem if you
> then use an input file that doesn't match the settings.
I use a recent version of bleeding-jumbo from git. It was very strange.
One day later, the SAME file could be used with JtR.
/Micha
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