john-users - Derive stats/rules/masks from a bunch of plains

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Message-Id: <AF761C3A-3C3D-4F37-9CE1-E83AF807EBDD@patpro.net>
Date: Fri, 10 Jun 2016 19:18:32 +0200
From: Patrick Proniewski <patpro@...pro.net>
To: john-users@...ts.openwall.com
Subject: Derive stats/rules/masks from a bunch of plains

Hello,

I've got a bunch of plains. About 1500 of them are 8 char long, mostly random and issued at account creation and not changed since. The 12000 other plains are user picked after account creation, ranging from 9 to 49 char long.

What would be the best tool(s) to derive interesting stuffs from these plains like rules/masks/statistics…? Anything that would help me optimize cracking sessions (these are not supposed to be plains, I plan to make a password audit by cracking their hash counterparts, and I've got about 24000 more hashed password from same source).

I've given PACK a try, but I'm not very happy with the result. May be I'm using it the wrong way.

thanks,
pat

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