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Date: Fri, 8 Feb 2013 15:01:02 -0500
From: Lex Par <ziptied@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Cracking SHA1 with some knowledge of password
Thanks! Is there a way to do this without using a word list (brute force
it)?
Thanks.
On Fri, Feb 8, 2013 at 2:16 PM, magnum <john.magnum@...hmail.com> wrote:
> On 8 Feb, 2013, at 17:40 , Lex Par <ziptied@...il.com> wrote:
>
> > Group, I have a SHA1 hash that I would like to brute-force. I have
> > knowledge of several characters before and after the password (ie, if the
> > hash is derived from "xxxpasswordyyy", I know both xxx and yyy). I'd
> like
> > to somehow input the xxx and yyy values as constants, so that they are
> > always included in the crack attempt but the "password" portion is
> > brute-forced.
>
> This can be done in several ways but using rules should be fastest. Add
> this to your john.local.conf:
>
> [List.Rules:custom]
> A0"xxx"Az"yyy"
>
>
> Then run wordlist mode with --rules:custom.
>
> magnum
>
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