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You are here: Home arrow Forum arrow Ethical Hacking Discussions and Related Certificationsarrow Network Pen Testingarrow How can you differentiate between NTLM and NTLMv2?
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May 25, 2012, 03:05:59 PM *
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Author Topic: How can you differentiate between NTLM and NTLMv2?  (Read 5243 times)
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d3l0n
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« on: December 10, 2009, 01:17:39 PM »

For example, do you know if this is NTLM or NTLMv2?

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sgt_mjc
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« Reply #1 on: December 10, 2009, 01:28:43 PM »

Run it through your favorite cracker and see what comes out.  If it pukes its guts out, then it is probably NTLM if not LM.
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Mike Conway
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d3l0n
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« Reply #2 on: December 10, 2009, 01:35:22 PM »

I'm 100% it's not LM.

I'm not trying to crack the hash, I'm trying to pass it. So far no pass-the-hash tool was able to pass it, which leads me to believe that it is NTLMv2. But I was looking for something more solid.

thx
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sgt_mjc
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« Reply #3 on: December 10, 2009, 02:56:27 PM »

Good luck.  It may not be v2, but syskey may be enabled on the target system and that could be where your problem is.
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Mike Conway
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d3l0n
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« Reply #4 on: December 10, 2009, 04:43:53 PM »

I actually did a hashdump on a Windows 2003 system. The system has different systems connect to it (XP, Vista, 7), I can see some records with LM and NTLM from all XP machines and few from Vista machines. Windows 7 users password hashes is showing as NO-PASSWORD********:PASSWORD

I think PASSWORD here is in NTLMv2 form.

Does anyone know of a tool that can pass NTLMv2 hashes available?
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