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Message-ID: <50AEAC5D.6030307@gmail.com>
Date: Thu, 22 Nov 2012 23:51:09 +0100
From: buawig <buawig@...il.com>
To: john-users@...ts.openwall.com
Subject: [kerberos] active etype downgrade attack (MitM)
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Hi Dhiru,
[I created a new/separate thread]
>> I am thinking of working on the pcap parser and MiTM downgrade
>> attack first. I think leaving the OpenCL port to an expert (you!)
>> is best.
>
> I can now do MiTM etype downgrade attack against latest MIT
> Kerberos successfully. I couldn't find any other software which
> does this, so I extended Ettercap to do so.
Nice to hear that! Do you plan to submit it for upstream inclusion?
When it comes to etype downgrade attacks I would be interested on how
fast cracking speed gets with the weakest etypes like 1 (des-cbc-crc)
or 3 (des-cbc-md5) in terms of c/s rates.
http://www.openwall.com/lists/john-users/2012/11/18/14
Did you do also some tests with salt manipulation?
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