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Message-ID: <20050515033911.GA29485@openwall.com>
Date: Sun, 15 May 2005 07:39:11 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: LANMAN and NT Hash ?s...basic
I wrote:
> 0. In params.h, increase RULE_RANGES_MAX from 8 to at least 14 and
> re-compile. (I probably need to change this default.)
I've now increased the default RULE_RANGES_MAX to 16 for 1.6.38.1+.
> 3. Create this section anew:
>
> [List.Rules:Wordlist]
> :
> lMT[*0]T[*1]T[*2]T[*3]T[*4]T[*5]T[*6]T[*7]T[*8]T[*9]T[*A]T[*B]T[*C]T[*D]Q
This was slightly buggy, here's what went into 1.6.38.1 instead:
# Case toggler for cracking MD4-based NTLM hashes (with the contributed
# patch), given already cracked DES-based LM hashes.
# Rename this section to [List.Rules:Wordlist] to activate it.
[List.Rules:NT]
l
lMT[*0]T[*1]T[*2]T[*3]T[*4]T[*5]T[*6]T[*7]T[*8]T[*9]T[*A]T[*B]T[*C]T[*D]Q
> 4. Crack your NT hashes with these invocations of John:
>
> john -show pwfile | cut -d: -f2 > ntlm.lst
> john -w=ntlm.lst -rules pwfile
This had a minor omission, it should be:
john -show pwfile | cut -d: -f2 > lm.lst
john -w=lm.lst -rules -format=nt pwfile
Now this is actually tested and it works. The first command may be
enhanced to produce a more optimal "wordlist" by eliminating duplicates,
empty and not fully cracked passwords, and the trailing status line.
--
Alexander Peslyak <solar at openwall.com>
GPG key ID: B35D3598 fp: 6429 0D7E F130 C13E C929 6447 73C3 A290 B35D 3598
http://www.openwall.com - bringing security into open computing environments
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