Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Sat, 7 Aug 2010 16:46:17 -0400
From: "Robert Harris" <>
To: <>
Subject: RE: Cracking CISCO ASA 5510


If you don't want to compile JtR with patches yourself, you can get one of
the builds already compiled by me.  I have JtR with jumbo patch 6 and other
patches on top of it compiled

Check out,

-Robert Harris

-----Original Message-----
From: Solar Designer [] 
Sent: Saturday, August 07, 2010 2:16 PM
Subject: Re: [john-users] Cracking CISCO ASA 5510

On Sat, Aug 07, 2010 at 05:47:04PM +0000, Robert Ramsey wrote:
> The two versions of jtr I tried follow:
> john-1.7.6.tar (source), using linux-x86-sse2 with make
> john- (rpm), pulled down with yum
> Looking at the example above this should just work.  Am I missing

PIX hashes are not supported by the official JtR.  The support is added
with the jumbo patch, so you need to apply it:

> When I try to crack a password from one of my 2500 series routers, john
> just fine:
> [rramsey@...ora run]$ cat 
> enable:$1$Tkln$T7WMpUgXmrrAhLV7ptiWB/
> home:$1$7OIB$denN36OJ68zxWcPIdZsGI.

These are FreeBSD-style MD5-based crypt(3) hashes, also used by many
Linux distros and by some Cisco products, which the official JtR
includes support for.  So no patch is needed for these.  You may want to
use a 64-bit build of JtR for much better performance at these hashes,
though.  (Or Simon's patch from the wiki for even better performance,
but that's tricky.)


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