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Re: Easy way to check for NULL admin passwords

from [Renaud Deraison] Network Security [Permanent Link]
Subject: Re: Easy way to check for NULL admin passwords
Date: Thu, 24 Mar 2005 17:49:52 -0500 
On Thu, Mar 24, 2005 at 04:23:16PM -0600, Engstrom, Glenn E (Glenn) wrote:

I have been looking to see if there is a quick scan I can run to just check 
if on any windows boxws the administrative account has a NULL password. I was 
thinking of just setting the SMB account and password appropriately, but not 
sure which plugin(s) to select.



smb_login.nasl does that. However if you want to simplify it, you can
write the following :

Write a plugin which does the following :

----
include('smb_func.inc');

if ( ! get_port_state(kb_smb_transport()) exit(0);
soc = open_sock_tcp(kb_smb_transport());
if ( ! soc ) exit(0);

session_setup(socket:soc, hostname:kb_smb_hostname());

r = NetUseAdd(login:"administrator", share:"IPC$");
if ( r != 1 ) exit(0);  # Could not log in
if ( session_is_guest() ) exit(0); # ForceGuest is set in the registry
security_hole(kb_smb_transport());
NetUseDel();
----


                                -- Renaud


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