Penetration Testing mailing list archives

RE: Server initiated remote shell


From: "Steve" <steve () securesolutions org>
Date: Fri, 21 Sep 2001 15:25:55 -0600

Check out the NetCat readme.  You can have it send you a shell.  Of
course this relies on you being able to upload and execute nc on the
host you are attacking.

-----Original Message-----
From: Ilici Ramirez [mailto:ilici_ramirez () yahoo com] 
Sent: Friday, September 21, 2001 8:23 AM
To: pen-test () securityfocus com
Subject: Server initiated remote shell


Hi,

Lets suppose that I can execute a program on an inside
host on a network protected by a firewall. There is no
way in. But there is a way out to www browsing on port
80.

So the client could connect to any Internet address on
port 80. What program should it execute to provide me
with a shell? Of course I'm in Internet with a
listener. What listener?

The firewall is a real statefull firewall so no TCP
ACK or ICMP encapsulations. 

Have a nice weekend too.

Ilici R


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