Security Basics mailing list archives

pwdump3e and windows 2003


From: "Hodgson, Charles" <charles.hodgson () luton gov uk>
Date: Wed, 21 Dec 2005 12:35:42 -0000

Dear list

I have been having problems getting output using pwdump3e on a W2k3 DC.

When running pwdump3e the server restarts with the following message:

Comment: The system process 'C:\WINDOWS\system32\lsass.exe' terminated unexpectedly with status code -2147483645.  The 
system will now shut down and restart.

 It might be coiincidental that the machine rebooted when I used pwdump3e, but Id like to work out all possible 
solutions.

Using pwdump3 I have been able to obtain hash files from W2k DCs without any issues in the past, but switched to 3e for 
the W2k3 DCs.

I did find the following doing a google search:
In pwdump2 and pwdump3/pwdump3e programs are some errors, that do not allow import hashes from localized versions of 
Windows NT/2000/XP/2003. 
taken from here http://www.lcpsoft.com/english/FAQ.htm.

I have the files that page also mentions but have yet to try them out, as I was wondering if anyone else has come 
accross problems using pwdump on w2k3 servers, or has any information as to why using it may case the lsass error.

Id like to try to understand why the error was caused. I understand that pwdump works by using dll injection to run 
under the lsass process. I would assume in this case that the LSAExt.dll somehow caused the lsass process to get upset 
and restart the machine.
If that is the case, then where would be a good place to find out about changes to the dlls, or obtain ones that work 
with w2k3? If the answer is google for them, so be it!

On the homepage for pwdump6 and fgdump (http://www.foofus.net/fizzgig/fgdump/) it mentions crashes caused by lsass, but 
nothing more then that. I have yet to try fgdump or pwdump6 so again, any feedback would be much appreciated.

Thanks

Charles




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