windows pass from SAM file

windows pass from SAM file
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Subject Author Date
windows pass from SAM file hehe 10-16-2007
Posted by hehe on October 16, 2007, 11:31 pm
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is it true that 15 symbol pass is no better than 14 symbol, because hashes
are stored in two parts of 7 symbols each, and grand total is 14 symbols
anyway?


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Posted by S. Pidgorny on October 17, 2007, 7:36 am
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No.

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Svyatoslav Pidgorny, MS MVP - Security, MCSE
-= F1 is the key =-

* http://sl.mvps.org * http://msmvps.com/blogs/sp *

> is it true that 15 symbol pass is no better than 14 symbol, because hashes
> are stored in two parts of 7 symbols each, and grand total is 14 symbols
> anyway?
>
>
> --
>
> ==
> http://www.big-forum.com - Object Freaking Everything!
> ==
>
>
>



Posted by Brian Komar on October 17, 2007, 8:51 am
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Absolutely not.
Brian

> is it true that 15 symbol pass is no better than 14 symbol, because hashes
> are stored in two parts of 7 symbols each, and grand total is 14 symbols
> anyway?
>
>
> --
>
> ==
> http://www.big-forum.com - Object Freaking Everything!
> ==
>
>
>


Posted by =?ISO-8859-2?Q?Pawe=B3_Gole=F1 on October 17, 2007, 2:03 pm
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hehe wrote:
> is it true that 15 symbol pass is no better than 14 symbol, because hashes
> are stored in two parts of 7 symbols each, and grand total is 14 symbols
> anyway?

No, but 7 symbol password is equal in strength to 14 symbol password. In
standard configuration, because Windows stores two password hashes, LM
and NTLM. LM hash is weak and should be disabled.

How to prevent Windows from storing a LAN manager hash of your password
in Active Directory and local SAM databases

http://support.microsoft.com/kb/299656

--
Paweł Goleń
mailto:p_golen@ks.onet.pl
"Wszyscy przecież wiemy, że nikt nie dostaje żadnych spamów" - mój trol
UGVybCBTVUNLUw==

Posted by hehe on October 17, 2007, 6:25 pm
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alright, so 2 LM hashes, but where the last 15th symbol is gonna go?

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http://www.big-forum.com - Object Freaking Everything!
==



> hehe wrote:
>> is it true that 15 symbol pass is no better than 14 symbol, because
>> hashes
>> are stored in two parts of 7 symbols each, and grand total is 14 symbols
>> anyway?
>
> No, but 7 symbol password is equal in strength to 14 symbol password. In
> standard configuration, because Windows stores two password hashes, LM
> and NTLM. LM hash is weak and should be disabled.
>
> How to prevent Windows from storing a LAN manager hash of your password
> in Active Directory and local SAM databases
>
> http://support.microsoft.com/kb/299656
>
> --
> Paweł Goleń
> mailto:p_golen@ks.onet.pl
> "Wszyscy przecież wiemy, że nikt nie dostaje żadnych spamów" - mój trol
> UGVybCBTVUNLUw==


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