RE: penetration test in a Windows 2000/NT network
From: Ballowe, Charles (CBallowe_at_usg.com)
Date: 05/14/03
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To: 'heron heron' <h.heron@firemail.de>, pen-test@securityfocus.com Date: Wed, 14 May 2003 16:11:27 -0500
This sounds like a test from within the company. As it seems that
you will have physical access to facilities etc, would it be possible
for you to install something like a hardware key logger on a network
administrators workstation?
If someone has physical access to the LAN, I don't see why they couldn't
place devices on peoples systems. It may violate the rules for this
particular pen-test, but is something to think about. I see that you've
specified that physical access to Win2k systems is possible, and are
interested in not modifying the administrator account -- hardware keyloggers
seem like an ideal solution.
What about wireless sniffers? Does the target use any wireless networking
at their facility?
> -----Original Message-----
> From: heron heron [mailto:h.heron@firemail.de]
> Sent: Wednesday, May 14, 2003 8:30 AM
> To: pen-test@securityfocus.com
> Subject: penetration test in a Windows 2000/NT network
>
>
> Hi,
>
> I will accomplish a penetration test in a Windows 2000/NT
> network shortly. A
> goal is to get confidential information (files) and if
> possible get admin
> rights. I will be with my computers in the LAN. A computer
> for normal uses (thus
> no Admin access) is likewise put to me at the disposal.
>
> Is there a possibility on a Windows 2000 computers (physical
> access is possible)
> to attain admin rights without to overwrite the admin
> account. Background: I
> would like try to crack the password of the local admin (e.g.
> by means of pwdump
> and John). There ist the possibility that all admin passwords
> (also for the
> domain) is alike.
>
> Is there a tool, with which I can crack NTLMv2 hashes.
> Background: I will try to
> sniff hashes during the registration at the DC (e.g. CAIN,
> ettercap) and to
> crack them. Unfortunately me is still no tool known in order
> to crack NTLMv2
> hashes.
>
> A further possibility at to come to information, would be the
> employment of a
> SMB Proxy. By ARP Spoofing it would be nevertheless
> theoretically possible to
> intercept the LM/NTLM(v1/v2) authentication . Then the
> attacker could itself
> instead announce at the server. Does it give there already
> such a Tool?
>
> Who has suggestions? For Tools please give always in the Web
> URL (if possible of
> the programmer).
>
> Greeting
> Heron
>
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