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Date: Tue, 2 Mar 2021 13:45:05 +0100
From: Michał Majchrowicz <>
Subject: Re: Implementing mixed mask attack

If policies are not for that than what do you use them for ? I have
seen some "C-like" code in john.conf for filtering but couldn't find
an info on how it is used. Do you implement is as part of your own
tool? As part of john? Is it automagically compiled at runtime ? :D

On Tue, Mar 2, 2021 at 12:06 PM Marek Wrzosek <> wrote:
> Hi,
> I think that regex mode would be more appropiate for this job. I don't know if this mode is still in JtR, it required some additional library and wasn't enabled by default. Also, there were some issues with session restoring, when it was in use.
> Best regards,
> Marek
> Dnia 2 marca 2021 11:28:16 CET, "Michał Majchrowicz" <> napisał(a):
> >Hello.
> >I would like to ask about a possibility of making a attack with mask
> >based on some password patterns. I have described the idea here:
> >
> >solardiz for such approach Policy might be useful. So i would like to
> >repeat my question on how can this be utilised? Can create my own
> >policy to filter only "good" pw candidates in mask mode?
> >Regards.
> --
> Marek Wrzosek
> -- Wysłane za pomocą K-9 Mail.

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