RE: penetration test in a Windows 2000/NT network

From: Ballowe, Charles (CBalloweat_private)
Date: Wed May 14 2003 - 14:11:27 PDT

  • Next message: Romes, Randall J.: "RE: penetration test in a Windows 2000/NT network"

    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.heronat_private]
    > Sent: Wednesday, May 14, 2003 8:30 AM
    > To: pen-testat_private
    > 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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