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Date: Tue, 16 Apr 2013 11:02:17 +0200
From: Guth <guth@...posor.com>
To: john-users@...ts.openwall.com
Subject: l33t rules improvement

Hi,

While playing with wordlist, I realized that the default l33t rules in
john.conf are missing "frequent" patterns, mostly:

i -> 1
t -> 7

others (lower priority):
s -> 5
b -> 8
g -> 9

Here is my dirty/incomplete patch (for i->1 only), I'm not used to rules
reading/writing, so please advise/correct (add t->7, ... ?)
It's not extensively tested, so it should probably improved:

-[:c] l /[aeilos] s\0\p[43110$] (?\p1[za] \p1[:c]
-[:c] l /a /[eilos] sa4 s\0\p[3110$] (?\p1[za] \p1[:c]
-[:c] l /e /[ilos] se3 s\0\p[110$] (?\p1[za] \p1[:c]
-[:c] l /i /[los] se1 s\0\p[10$] (?\p1[za] \p1[:c]
-[:c] l /l /[os] sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /o /s so0 ss$ (?\p1[za] \p1[:c]
-[:c] l /a /e /[ilos] sa4 se3 s\0\p[110$] (?\p1[za] \p1[:c]
-[:c] l /a /e /[los] sa4 se3 s\0\p[10$] (?\p1[za] \p1[:c]
-[:c] l /a /i /[los] sa4 sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /a /l /[os] sa4 sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /a /o /s sa4 so0 ss$ (?\p1[za] \p1[:c]
-[:c] l /e /i /[los] se3 sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /e /l /[os] se3 sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /[eil] /o /s s\0\p[311] so0 ss$ (?\p1[za] \p1[:c]
-[:c] l /a /e /i /[los] sa4 se3 sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /a /e /l /[os] sa4 se3 sl1 s\0\p[0$] (?\p1[za] \p1[:c]
-[:c] l /a /[eil] /o /s sa4 s\0\p[311] so0 ss$ (?\p1[za] \p1[:c]
-[:c] l /e /i /l /o /s se3 sl1 so0 ss$ (?\p1[za] \p1[:c]
-[:c] l /e /l /o /s se3 sl1 so0 ss$ (?\p1[za] \p1[:c]
-[:c] l /a /e /i /l /o /s sa4 se3 sl1 so0 ss$ (?\p1[za] \p1[:c]

Regards.

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