RE: Cisco Secret 5 and John Password Cracker

From: Juan Carlos Reyes Muñoz (jcreyes@etb.net.co)
Date: Sun Nov 06 2005 - 11:15:11 EST


Hello,

You can see http://corky.net/2600/cisco-decrypt-password.shtml too.

I am not sure if John the Ripper can crack a Cisco 5 Password, but you can
launch a brute force or dictionary attack against it.

Juan Carlos Reyes Muñoz
GIAC Certified Forensic Analyst - SANS Institute
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-----Mensaje original-----
De: Pachulski, Keith [mailto:keithp@corp.ptd.net]
Enviado el: Viernes, 04 de Noviembre de 2005 01:26 p.m.
Para: Todd Towles; Unknown User; pen-test@securityfocus.com
Asunto: RE: Cisco Secret 5 and John Password Cracker

Tomas deals with only the secret, hance the name "too many secrets"...

original> -----Original Message-----
original> From: Todd Towles [mailto:toddtowles@brookshires.com]
original> Sent: Friday, November 04, 2005 10:32 AM
original> To: Pachulski, Keith; Unknown User; pen-test@securityfocus.com
original> Subject: RE: Cisco Secret 5 and John Password Cracker
original>
original>
original> Even the secret 5 ones? All of the Normal Cisco
original> Crackers that I have
original> seen only do the Type 7 level password.
original>
original> GetPass & Cain and Abel both do Type 7 level cracking as well.
original>
original>
original> > -----Original Message-----
original> > From: Pachulski, Keith [mailto:keithp@corp.ptd.net]
original> > Sent: Friday, November 04, 2005 8:02 AM
original> > To: Unknown User; pen-test@securityfocus.com
original> > Subject: RE: Cisco Secret 5 and John Password Cracker
original> >
original> > Look for a program called tomas.exe aka Too Many Secrets -
original> > this one does work for the cisco passwords.
original> >
original> > original> -----Original Message-----
original> > original> From: Unknown User [mailto:9nkn0wn@gmail.com]
original> > original> Sent: Thursday, November 03, 2005 9:27 AM
original> > original> To: pen-test@securityfocus.com
original> > original> Subject: Cisco Secret 5 and John Password Cracker
original> > original>
original> > original>
original> > original> Hi
original> > original>
original> > original> I have recovered some cisco passwords
original> that are encrypted
original> > original> using the secret 5 format. They look like this
original> > original>
original> > original> $1$Wgqc$sbb8R/2rtOhc7t86J5axj.
original> > original>
original> > original> The question is can i simply plug this into a
original> > standard unix
original> > original> type shadow file format and use john to
original> crack. I've
original> > tried this
original> > original> but I'm not convinced that John is actually
original> > working. Its also
original> > original> incrediblly slow.
original> > original> Any other tools available to crack these
original> types of passwords.
original> > original>
original> > original> Thanks
original> > original>
original> >
original>

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login pages, dynamic content etc. Firewalls, SSL and locked-down servers are 
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