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Message-ID: <BAY101-W2589DCFD923ABFC3AAF4BFC83A0@phx.gbl>
Date: Fri, 25 Jan 2008 21:24:25 -0500
From: Adam Turk <bofh1234@...mail.com>
To: <john-users@...ts.openwall.com>
Subject: RE: custom character set
> From: solar@...nwall.com
>
> If you have physical access to the system, it is probably more
> straightforward to change the password.
>
> What hash type? (Some truncate or split passwords after a certain
> length, some are case-insensitive.)
>
> Does the password really use at least two (or exactly two?) of those
> characters more than once (only 8 different characters, but length 10)?
>
> This won't work unless you adjust params.h and re-compile JtR. By
> default, JtR's "incremental mode" is limited to lengths up to 8 at
> compile time. See:
>
> http://www.openwall.com/lists/john-users/2007/07/04/6
>
> Another option is for you to define and use an external mode (then
> there's no need to re-compile JtR and to generate a custom charset).
>
> You can create a fake john.pot file with the following contents:
The hash is ntlm. I don't have a LM version of the password as I disabled LM hashes. I do have physical access to the system as it is my personal pc. What I did was create a user called test and set its password to TeSjtEsJTE. I ran pwdump7 to get the hashes. I am generating a table of time to crack a series of passowords. I need to see how it would take to crack my password using a custom character. I have the time it takes to crack using an alphanumeric charset.
I created a new john.pot using your contents and then tried to generate a new char file using:
john-386.exe --make-charset=cust.chr john.pot
and I get Loaded 0 plaintexts, exiting...
What did I do wrong?
I have looked at using external, but I haven't found any examples of filters.
Thanks,
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