From smbpasswd to passwd

[Luke Kenneth Casson Leighton]

the original source, available from l0pht's web site, contans samba source
code.  it compiles for unix, obviously.

On Sun, 13 Feb 2000, Aaron D. Brooks wrote:

> 
> > Date: Sun, 13 Feb 2000 06:38:45 +1100
> > From: Peter Samuelson <peter at cadcamlab.org>
> > To: Multiple recipients of list SAMBA-NTDOM <samba-ntdom at samba.org>
> > Subject: Re: From smbpasswd to passwd 
> > 
> > 
> > [Luca Micheletti]
> > > Now i have my text file smbpasswd style, but i need these users in
> > > /etc/passwd not in smbpasswd.
> > 
> > Can't be done.  Unix passwd and NT smbpasswd formats are both one-way
> > hashes and they are not compatible.  The best you can do is change
> > everyone's passwords (or ask them to) using a utility that changes both 
> > at once.  Samba is one such utility, if you set "passwd chat" and
> > friends to the right values.
> 
> Actually, since you have the piss-poor LM hash you can run the smb.passwd
> file through something like L0phtCrack ("It sniffs through registry files
> [sic] like an anteater on dexadrene..." ;) even with a good password
> policy in place you will probably get most of the passwords in about half
> of a day on a beefy machine (PIII 500 Dual/512Mb). You can then use a perl
> script to back merge the smb.passwd data and the passwords into a unix
> passwd file. Then only a small percentage of the population needs to
> change their passwords. If you have a couple of days to spare, you could
> make that percentage pretty low. (The only bad thing is that L0phtCrack
> only runs on Win32.) We did something remotely like this here at TU.
> 
> -A.
> 
> +------->
> Aaron D. Brooks,  765 . 998 . 5168
> Computing Systems Resource Manager
> Taylor University,  CSS Department
> abrooks [SHIFT"2"] css.tayloru.edu
> 
> 

<a href="mailto:lkcl at samba.org" > Luke Kenneth Casson Leighton    </a>
<a href="http://cb1.com/~lkcl"  > Samba and Network Development   </a>
<a href="http://samba.org"      > Samba Web site                  </a>
<a href="http://www.iss.net"    > Internet Security Systems, Inc. </a>
<a href="http://mcp.com"        > Macmillan Technical Publishing  </a>
 
ISBN1578701503 DCE/RPC over SMB: Samba and Windows NT Domain Internals