Re: Best way to crack NT passwds

[David Chastain <dlcmacosx () mac com>]

If you have physical access - Try BartPE

On Saturday, July 30, 2005, at 06:37AM, Paul Farrow <augm58 () dsl pipex com> wrote:

> Yup after I posted that I read your post, have to admit, searching a 
> table full of hashes would be a hell of alot quicker than cracking it 
> manually :]
> But then again, I rarely crack any hashes (good memory for my own 
> passwords) but anything for md5 i use passcracking.net/com.
> But i suppose it wouldnt be difficult to code up a quick php page to 
> fill a mysql dbase with incremental hashes generated on the fly... might 
> look into it
> (even though its no doubt been done) fun project for a rainy day i suppose.
>
> ad () class101 org wrote:
>
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > rainbow crack finds this pass "Test0r" in 5-10sec and you doesn't need 
> > an huge machine to get it, if you like johnthe ripper, I heavly 
> > suggest you to generate your tables and start using rbcrack, because 
> > you are loosing your time on john, believe me :)
> >
> > At 12:25 30/07/05, Paul Farrow wrote:
> >
> > > Chances are the system used by the website was a multi-processor 
> > > beast of machine, able to maximise cpu time to cracking the passwords.
> > > If you can get the password hash, then your best bet is to run it 
> > > through jtr(john the ripper).
> > >
> > > C:\toolkit\passwords\pwdump> pwdump2
> > > Administrator:500:62b239ea3de3b4142e04d2d295f821b0:a929535485de3b50889
> > > 23fd58d02cca2:::
> > > ASPNET:1000:f5052a93de1b6a7848d83fff52bb5c55:264d62a5f32f74bb6df2642a5
> > > 14fd17f:::
> > > Guest:501:d9dce10ca0c8ba7baad3b435b51404ee:672e556cf53bf2a83c36bead638
> > > 3212b:::
> > > __vmware_user__:1002:aad3b435b51404eeaad3b435b51404ee:69deddc712c272b3
> > > 3e31fae0f4b82a73:::
> > >
> > > C:\toolkit\passwords\pwdump> pwdump2 > passwords.dump
> > > C:\toolkit\passwords\john>john -incremental passwords.dump
> > > Loaded 4 passwords with no different salts (NT LM DES [24/32 4K])
> > > TEST0R              (Administrator:2)
> > > guesses: 1  time: 0:00:00:20  c/s: 9045001  trying: PMSBRK - HLEYKL
> > >
> > >
> > > Thats on a 1.987mhz AMD processor in windows 2000, running about 30 
> > > other things at once.
> > >
> > >
> > > Hope this helps.
> > >
> > > X u r r o n wrote:
> > >
> > > > hiya!
> > > > I have tried many softwares for cracking NTLM hashes, like NC4, Cain 
> > > > and have't tried Rainbow Crack yet.
> > > > Once i had to recover my XPs lost admin password and i spend around 
> > > > 1 day but Cain/NC4 were not able to guess that. Then i posted that 
> > > > hashes on some site and it did recover my passwd in around 5min. I 
> > > > want to know which technique they used to crack so fast ?
> > > >
> > > > Xurron
> > > >
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/