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PostPosted: 08 Jun 2008, 23:34 
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Shoulder Surfer

Joined: 08 Jun 2008, 23:26
Posts: 3
Where I can download full XP tables for ophcrack (WS-20K)?


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Posted: 08 Jun 2008, 23:40 


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PostPosted: 08 Jun 2008, 23:40 
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Rainbow Table

Joined: 18 Oct 2007, 19:30
Posts: 317
http://ophcrack.sourceforge.net/tables.php


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PostPosted: 09 Jun 2008, 05:59 
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MΩth √G∑∏∫∪≤

Joined: 03 Dec 2007, 11:37
Posts: 1059
Go here http://www.objectif-securite.ch/ophcrack/buy_2.php
Check all the boxes then click agree. It's the second one down "ophcrack XP special tables $99."

Now since I know you don't want to buy them you have three options. One generate them yourself, which is dumb since it will cost you more than $99 on your electric bill. Or two download a similar table set from here. Or three don't do anything.

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PostPosted: 07 Oct 2008, 22:33 
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Shoulder Surfer

Joined: 07 Oct 2008, 21:38
Posts: 6
Hi, I too have been wondering about this. I assume that the rainbow tables here are more extensive that the ones in the ophcrack XP special package. I have looked at the tables here and cant see one that covers all the possible characters, like the XP special one. If anyone could point me in the right direction I would be very greatful!
Cheers,
kno3


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PostPosted: 08 Oct 2008, 00:10 
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MΩth √G∑∏∫∪≤

Joined: 03 Dec 2007, 11:37
Posts: 1059
Ophcrack's XP special vs FRT's lm_all-space#1-7

Code:
Pro FRT         FRT          Ophcrack
Chain length    10,000       20,000      (FRT is 4 times less CPU intensive)
Success rate    99.9175%     96%
Miss rate       1 in 1,212   1 in 25
Cost            Free         $99

Pro Ophcrack    FRT          Ophcrack
Size            44.69 GB     7.5 GB
*Check points   No           Yes?        (Ophcrack has less false positives)

* It appears that Ophcrack doesn't use the check points and I just looked at the vista free tables and they don't have check points. I'm going to ask about this in the Ophcrack forum.

You can download the FRT tables from (make sure you get the "lm_all-space#..." tables):
http://tbhost.eu/rt.php?algorithm=1
or
http://www.freerainbowtables.com/en/tables/lm/

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PostPosted: 08 Oct 2008, 00:53 
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Shoulder Surfer

Joined: 07 Oct 2008, 21:38
Posts: 6
Hi,
Thanks or your reply. I want to be able to recover the NT password, so I assume that I need to download the ntlm algorithm. The link you have given me is for the lan manager password, which will not allow me to logon to the account in XP.
Or am I just being stupid?
Thanks,
kno3.


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PostPosted: 08 Oct 2008, 04:22 
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MΩth √G∑∏∫∪≤

Joined: 03 Dec 2007, 11:37
Posts: 1059
Ophcrack has a dumb naming convention "Ophcrack XP Special (WS-20K)" is for LM hashes and "Ophcrack Vista ..." is for NTLM hashes. The only reasons you should need NTLM tables is if Windows was told specifically not to store LM hashes, the password is over 14 characters long, or the password contains a special character that caused the LM hash to disappear. For the second two cases you're out of luck because there are no NTLM tables that will help you. Your best bet is a dictionary attack. If there are both a LM hash and a NTLM hash you will want to crack the LM hash with rainbow tables then use a program like Cain to recover the NTLM hash.

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PostPosted: 08 Oct 2008, 19:08 
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Shoulder Surfer

Joined: 07 Oct 2008, 21:38
Posts: 6
ok, right, im quite confused, so the XP version of ophcrack only cracks the LM hash? which it has done successfully (then why does it then attempt to crack the NT password?), as did lc5 by brute force very quickly. but I wont be able to login using that password. so how would I use a program like cain (i assume lc5 counts) to crack the ntlm password after that? lc5 managed to crack the LM password, but when continuing to try and brute force the NTLM hash it was predicting a good few millennia!


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PostPosted: 08 Oct 2008, 19:22 
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Developer

Joined: 30 Mar 2008, 15:37
Posts: 865
you don't want to fully brute force the ntlm hash, you already know the password, just not the correct lowercase/uppercase


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PostPosted: 08 Oct 2008, 19:37 
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Shoulder Surfer

Joined: 07 Oct 2008, 21:38
Posts: 6
neinbrucke wrote:
you don't want to fully brute force the ntlm hash, you already know the password, just not the correct lowercase/uppercase

Of course, I suppose, yes, I am being stupid. Thanks!


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PostPosted: 08 Oct 2008, 19:56 
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Shoulder Surfer

Joined: 07 Oct 2008, 21:38
Posts: 6
ok, right, now I am confused, again (im really not good at this!)
So, tried brute forcing the password, LM password comes out as TTACK. However the NT password does not appear to be that password with any combination of case. I have tried using the correctCase command over at plan-text, and I have tried to brute force it. neither have worked, does this mean that my password is too long? any ideas?
Thanks!


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PostPosted: 08 Oct 2008, 21:55 
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Shoulder Surfer

Joined: 07 Oct 2008, 21:38
Posts: 6
Done it, all figured out!
Cheers for all the help guys!


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PostPosted: 09 Oct 2008, 00:20 
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Developer

Joined: 30 Mar 2008, 15:37
Posts: 865
so what did you do wrong? :)


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PostPosted: 09 Oct 2008, 09:21 
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Brute Force

Joined: 02 Jul 2008, 10:27
Posts: 180
Location: Germany
I would guess that TTACK might have been only the second part of the LM hash ;) But maybe kno3 will shed some light on it...


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PostPosted: 13 May 2011, 11:31 
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Shoulder Surfer

Joined: 13 May 2011, 11:25
Posts: 1
XP special (7.5GB)
formerly known as WS-20k

Success rate: 96%
Charset: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~ (including the space character)

Image

Reference link:

http://ophcrack.sourceforge.net/tables.php

<link removed>no warez please!


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