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I'm using a training lab to learn computing security. And I retrieved the hash of the admin in this form:

admin:1001:NO PASSWORD*********************:D4BF5A8658AFXXXXXXXX5B8DBB60859746:::

So, I just have the NTLM part (not the LM), and cracking password is very hard without LM part.

So I would like to know if there is a tool to connect to the VNC service (port 5900) of the remote computer only using the NTLM hash.

  • You can't pass the hash with VNC. If the Windows "admin" user is using the same password for the VNC service, you'll have to crack the hash and use that. – HashHazard Sep 9 '16 at 3:50
  • NTLM cracking is not that hard, let it run for a few days.... – eckes Jul 5 '17 at 22:31
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Yes, use psexec module from Metasploit.. however, for this to work port 445 should be open on the target. psexec module will require the username and password hash to deploy a meterpreter backdoor. once, achieved you can run the vnc post exploitation module and will be presented with a nice GUI of the target, All the best.

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