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Message-ID: <20180523150319.GA30875@openwall.com>
Date: Wed, 23 May 2018 17:03:19 +0200
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: john --make-charset=custom.chr: Can't get the hang of using it. :-(
On Wed, May 23, 2018 at 03:48:19PM +0100, Eric Watson wrote:
> I read somewhere in the john documents that there was a manual in
> another group such as raspberry Pi but the advice was not to read it but
> to use the documents instead. If you wish I will post the location
> if/when I come across it again.
Oh, you probably mean my own recent comments about the Debian man page.
Yes, I recommend reading our documentation under doc/ instead of that
unofficial man page.
> May I continue with this query?
Sure.
> The password in question contains one or two numerical strings of known
> length and known numerals. It also contains words of known length and
> characters. It also contains two *, ! characters.
>
> The words may be capitalised and in any position as the numerical
> strings could also be.
If you can arrive at a reasonably small number of different masks that
represent your possible passwords, then I recommend that you use mask
mode (run it multiple times with the different masks). For example:
./john --mask='[Ff]irstword197[0-4][Ss]econdword123[*!][*!]' passwd
and so on for other word orderings, etc.
> I tried the method, (actually just before receiving you reply):
>
> echo :AbCdEf > john.pot
> ./john --make-charset=custom.chr
>
> It resulted in the numbers being treated individually which made me ask
> about a 'group' set.
You may also try training incremental mode on multiple samples similar
to your password - not on mere lists of characters.
Alexander
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