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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