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Date: Tue, 15 Apr 2014 19:45:23 -0400
From: kzug <kzug10@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Filter password candidates generated by --incremental (was: EXTRA characters.)
Thanks Frank,
Your help is really appreciated.
K.
On TuesdayApr 15, 2014, at 1:31 PM, Frank Dittrich wrote:
> On 04/15/2014 07:10 PM, KZug wrote:
>> Is there a way with John to remove some patterns with —incremental output?
>> I.e. With Jeff’s AES 256 issues that we had few weeks ago, his charset was limited AND he had a long list of patterns limitation. It’s a bit between —Incremental and —mask
>>
>> No passwords with 4,3 or 2 digits in a row
>> No passwords in all upper case
>> No passwords in all under case
>> No passwords with more than 3 signs
>> Etc …
>>
>> So, do you (or anyone) know of a way to skip those patterns? Besides greping the output to death?
>
> For (very) slow hashes, implementing an external filter and using
> --external=... in addition to --incremental might be appropriate.
>
> For existing filters, see the output of
>
> $ ./john --list=ext-filters-only
>
>
> Then check john.conf for these filters:
> [List.External:AtLeast1-Simple]
> [List.External:AtLeast1-Generic]
> [List.External:Policy]
>
> They might provide guidance for defining your own --external mode.
>
> Frank
>
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