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Date: Thu, 6 Sep 2012 09:12:25 +0200
From: Camille Mougey <commial@...il.com>
To: john-dev@...ts.openwall.com
Subject: New formats: KRB5-18 and KRB5-23
Hi,
I send you two new formats, named KRB5-18 and KRB5-23 and both tools :
krb5_util.patch and kdcdump2john.
The idea is as follows:
- On a KDC server, with the krb5_util patched tool, dump the unencrypted
database.
- With kdcdump2john, get relevant informations and create a hash list for
john
- The 2 formats corresponds to, respectively, aes256-cts-hmac-sha1-96 (the
recommended format) and arcfour-hmac (faster to crack)
That way, it is possible to get user passwords from the extended key used
by Kerberos during the authentication part.
I hope it will be useful.
Looking forward for your comments,
Regards,
Camille
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