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Message-ID: <20101106134103.GA4003@openwall.com>
Date: Sat, 6 Nov 2010 16:41:03 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: Wordlist Mangling Rule
On Sat, Nov 06, 2010 at 02:04:39PM +1300, Al Grant wrote:
> 1.Upper Case First Letter
> 2.Lower Case Whole Word
> 3.Upper Case Whole Word
[...]
> Then I want to add numbers to the end of each word so that it becomes 8
> characters long.
[...]
> Ie a four letter word gets 1234 added to the end. A 6 letter word just gets
> 12 added. An 8 letter word gets nothing added.
>
> And the number appending should be applied to each of the first 3 rules in
> addition to the rules .
>
> No word mangled or not, should be less than 8 characters, and maximum of 10
> characters.
I find the above a bit inconsistent, but here you are:
[List.Rules:Wordlist]
-\r[c:c] <B >7 \p[clu]
-\r[c:c] <8 >6 \p[clu] $[0-9]
-\r[c:c] <7 >5 \p[clu] Az"[0-9][0-9]"
-\r[c:c] <6 >4 \p[clu] Az"[0-9][0-9][0-9]"
-\r[c:c] <5 >3 \p[clu] Az"[0-9][0-9][0-9][0-9]"
This includes some extra complexity to deal with case-insensitive hashes
optimally. If you don't need that, or if you're using an older version
of JtR that does not understand the '\r' flag, you can simplify to:
<B >7 [clu]
<8 >6 [clu] $[0-9]
<7 >5 [clu] Az"[0-9][0-9]"
<6 >4 [clu] Az"[0-9][0-9][0-9]"
<5 >3 [clu] Az"[0-9][0-9][0-9][0-9]"
There's no performance difference between these two with case-sensitive
hashes, but the first one is up to 3x faster for case-insensitive.
Alexander
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