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Date: Fri, 16 Nov 2012 15:15:59 +0530
From: Dhiru Kholia <>
Subject: Re: cracking passwords with a kerberos traffic dump

On Fri, Nov 16, 2012 at 3:29 AM, buawig <> wrote:
> given an complete traffic dump from a client authenticating to a
> kerberos server (classical windows domain setup) it should be possible
> to perform offline dictionary attacks, right?
> Does john support that kind of attack?
> Is it limited to specific kerberos encryption types? (DES only?)
> I suppose tgtsnarf (which comes with john) is not an option if the KDC
> requires PREAUTH.

Can you post some sample .pcap files? I can take a look.


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