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Message-ID: <20100213060536.GB8402@openwall.com>
Date: Sat, 13 Feb 2010 09:05:36 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: NTLM cracking
On Fri, Feb 12, 2010 at 03:41:58PM -0800, Anton wrote:
> (sorry about spamming).
You're not spamming, but your breaking of the thread was not great. You
should have posted your follow-up message as a "reply" to your own post
instead. Changing the Subject was OK and appropriate, but by using the
"reply" function you would have likely preserved the thread (due to the
In-Reply-To and/or References header).
For those reading the archives, the message I am replying to here was a
follow-up to:
http://www.openwall.com/lists/john-users/2010/02/12/3
> I have found what i needed in the first place, this article/response
> describes what i have to do to crack NTLM passwords:
> http://www.openwall.com/lists/john-users/2006/07/08/2
>
> I quite happily ran this command: john -show pwfile | cut -d: -f2 > cracked
Right.
> However, im getting: Unknown ciphertext format name requested when i run:
> john -w=cracked -rules -format=nt pwfile
The official JtR does not support NTLM hashes. You need to apply the
jumbo patch or use an existing unofficial build made with the jumbo
patch already applied. Such a build for Windows (as that's what you're
using) is currently linked from the JtR homepage:
http://www.openwall.com/john/#contrib
"1.7.3.1 + jumbo patch revision 6 build for Win32 (2.1 MB) by Erik Winkler"
> Yes, i have done the following:
> In john.conf (or john.ini if you're running on Windows), rename the old
> [List.Rules:Wordlist] section to [List.Rules:Disabled] to deactivate it.
> Rename the [List.Rules:NT] section to [List.Rules:Wordlist].
Great.
IIRC, the need for using an unofficial build of JtR for this was
mentioned both in the old posting you referenced and in a comment in
john.conf right above the [List.Rules:NT] section.
Alexander
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