penetration test in a Windows 2000/NT network

From: heron heron (h.heronat_private)
Date: Wed May 14 2003 - 06:29:31 PDT

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    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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