Re: SQL injection

From: Joel Esler (eslerj@gmail.com)
Date: Thu Jun 09 2005 - 11:57:52 EDT


Could.. if the IDS had a signature to do so, and it was in-line.
Theoretically it's possible.

On 6/9/05, Faisal Khan <faisal@netxs.com.pk> wrote:
>
>
> Pardon the ignorance, but is there any hardware/software based device that
> can outright prevent/mitigate (detect?) SQL injections? Would an IDS be
> able to prevent this?
>
>
>
>
>
>
> At 08:29 PM 6/9/2005, you wrote:
> >Another option you could try is to use ettercap to insert your
> >laptop/pen-test system in as a Man-in-the-Middle between the SQL server
> >and client systems and then capture the port 1433 traffic using
> >tcpdump/ethereal/your favorite packet capturing program. This will
> >definitely yield the 'sa' password (as well as others).
> >
> >If you're using Windows on your attack platform, consider using Cain &
> >Abel as it can do the Man-in-the-Middle/SQL password capture all in one.
> >
> >Ido
> >--
> >Ido Dubrawsky, CISSP
> >Senior Security Consultant
> >SBC/Callisma
> >(571) 633-9500 (Office)
> >(202) 213-9029 (Mobile)
> >
> >
> > > -----Original Message-----
> > > From: Erik Pace Birkholz [mailto:erik@specialopssecurity.com]
> > > Sent: Thursday, June 09, 2005 4:06 AM
> > > To: Hugo Vinicius Garcia Razera; pen-test@securityfocus.com
> > > Cc: Erik Pace Birkholz
> > > Subject: RE: pen-test on a windows 2003 server box whit
> > > MS-SQL and Terminal Services
> > >
> > >
> > > Hugo,
> > >
> > > Based on the limited info you have provided, here is my advice.
> > >
> > > Have you done UDP port scans? If you haven't done so, scan to
> > > determine
> > > what UDP ports are open. Depending on what you find this could be
> > > helpful. For example, if SNMP is available with a default or guessable
> > > community name it will provide usernames among other goodies.
> > >
> > > Re: obtaining the SQL version; since the OS is Win3k the SQL
> > > server will
> > > likely be SQL 2000 with SP3 or later. If you really want to
> > > find out try
> > > SQLVer (www.sqlsecurity.com) as Chip already mentioned and
> > > try SQLRecon
> > > (www.SpecialOpsSecurity.com -click on LABS).
> > >
> > > With that said don't give up on the SQL "SA" brute force
> > > attacks. There
> > > is no account lock out for SA so rock and roll. SQLDict.exe
> > > works pretty
> > > well if you have a big dictionary file. Another option is ForceSQL.exe
> > > because it brute forces an account (sa) based on a user specified
> > > character set (charset.txt) up to a user specified max
> > > password length.
> > >
> > > You also mentioned DNS: 53. Not sure if you are referring to
> > > UDP or TCP?
> > > If it is TCP then you should try a zone transfer.
> > >
> > > Also don't forget full (1-65535) TCP port scans and source port scans
> > > (SRC=20,53,88,80,etc...)
> > >
> > > Finally use tracerouting, hping2, tcpdump, etc to determine if the
> > > blocking ACLs are on the host or a network device. Something is
> > > facilitating the firewalling that is hiding juicy MS specific
> > > ports like
> > > TCP 135 and 445. Is it ICF, IPSec, a personal firewall, network
> > > firewall, perimeter router or what? Once you know this it will help
> > > direct your attempts to subvert that protection and get
> > > exposure to more
> > > ports on the target.
> > >
> > > Let us know how it goes!
> > >
> > > Good luck,
> > >
> > > Erik Pace Birkholz
> > > www.SpecialOpsSecurity.com
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Hugo Vinicius Garcia Razera [mailto:hviniciusg@gmail.com]
> > > Sent: Tuesday, June 07, 2005 4:01 PM
> > > To: pen-test@securityfocus.com
> > > Subject: pen-test on a windows 2003 server box whit MS-SQL
> > > and Terminal
> > > Services
> > >
> > > Hi every one, I'm doing a pen test on a client, and have found that he
> > > have a windows 2003 server box on one segment of his public addresses
> > > this is his dns/web/mail server:
> > >
> > > - mssql :1433
> > > - terminal services :3389
> > > - iis 6 :80
> > > - smtp :25
> > > - pop3 :110
> > > - dns : 53
> > > - ftp : filtered
> > >
> > > ports opened, i logged on the terminal services port whit the winxp
> > > remote desktop utility and it connects perfectly.
> > >
> > > i tried a dictionari atack on mssql server whit the "sa" account and
> > > others user names i collected.
> > > Hydra from THC was the tool, but no succes on this atack.
> > > also tried the tsgrinder for terminal services , but no success.
> > >
> > >
> > > well here come some questions:
> > >
> > > - What others Usernames should i try for sql and terminal services?
> > > i tried whit "sa" for sql and "Administrator" for TS
> > >
> > > - Any one knows how could i identify what version of sql server is
> > > running.
> > > - What other services of this host can be exploited?
> > >
> > > any comments, ideas, suggestions would be greatly appreciated.
> > >
> > > Hugo Vinicius Garcia Razera
> > >
>
>
>
> Faisal Khan
> CEO
> Net Access Communication
> Systems (Private) Limited
> _____________________________
> 1107 Park Avenue, 24-A, Block 6,
> PECHS, Main Shahrah-e-Faisal,
> Karachi 74500 (Pakistan)
> Board: +92 (21) 111 222 377
> Direct: +92 (21) 454-346
> Fax: +92 (21) 454-4347
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> Email: faisal@netxs.com.pk
> Web: <http://www.netxs.com.pk/>www.netxs.com.pk
>
>
>
>

-- 
Joel Esler
BASE Project Lead
http://sourceforge.net/projects/secureideas


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