Re: All tcp ports open?

• Previous message: Wayne M Burke: "Re: EC-Counsil"
• In reply to: Ben Timby: "All tcp ports open?"
• Next in thread: Todd Towles: "RE: All tcp ports open?"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

To: "Ben Timby" <asp@webexc.com>, <pen-test@securityfocus.com>
Date:	Sun, 29 Aug 2004 12:57:36 -0300

I saw this too on a linux/router/FW using iptables TARPIT module.
http://www.securityfocus.com/infocus/1723
But that succed if you are scannig in a HALF way (SYN flag).
If there is some kind of Honeypot then a daemon (in this case "service")
it must to make a response to a full tcp connection. (i.e.: banner response
commands interaction, etc.)

GUs.-
> I am not sure what is doing this, but I assume it is a software (or some
> kind of) firewall/hids, can anybody point me in the right direction?
>
> I am pen-testing a Windows webserver, and a port scan reveals ALL tcp
> ports open. hping also confirms that a SA is returned for any S packets
> sent to any port I try. I can connect via netcat any of the ports, and
> send data, but nothing is returned. In order to verify services, I am
> required to connect and check for a banner or send appropriate protocol
> commands to elicit a response.
>
> Has anyone seen this, or have any idea of what this is?
>
> Thanks.
>
> --------------------------------------------------------------------------

----
> Ethical Hacking at the InfoSec Institute. All of our class sizes are
> guaranteed to be 12 students or less to facilitate one-on-one interaction
> with one of our expert instructors. Check out our Advanced Hacking course,
> learn to write exploits and attack security infrastructure. Attend a
course
> taught by an expert instructor with years of in-the-field pen testing
> experience in our state of the art hacking lab. Master the skills of an
> Ethical Hacker to better assess the security of your organization.
>
> http://www.infosecinstitute.com/courses/ethical_hacking_training.html
> --------------------------------------------------------------------------
-----
>
------------------------------------------------------------------------------
Ethical Hacking at the InfoSec Institute. All of our class sizes are
guaranteed to be 12 students or less to facilitate one-on-one interaction
with one of our expert instructors. Check out our Advanced Hacking course,
learn to write exploits and attack security infrastructure. Attend a course
taught by an expert instructor with years of in-the-field pen testing
experience in our state of the art hacking lab. Master the skills of an
Ethical Hacker to better assess the security of your organization.
http://www.infosecinstitute.com/courses/ethical_hacking_training.html
-------------------------------------------------------------------------------

• Previous message: Wayne M Burke: "Re: EC-Counsil"
• In reply to: Ben Timby: "All tcp ports open?"
• Next in thread: Todd Towles: "RE: All tcp ports open?"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]