Re: RPC Scan Issues
From: Joshua Levitsky (jlevitsk_at_joshie.com)
Date: 10/15/03
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Date: Wed, 15 Oct 2003 13:15:48 -0400 To: Jared Ingersoll <jared@cswv.com>
On Oct 14, 2003, at 3:55 PM, Jared Ingersoll wrote:
> Could you explain please how you would go about exploiting this with
> the
> appropriate service port behind a firewall? Or is a DMZ compromise a
> prerequisite?
Here's an example. Let us say you have laptops. The laptops leave the
building and become infected while dialed up to MSN or while using the
wireless at Starbucks.
The laptop returns to the building. If it is a blaster type exploit
then it will begin to infect machines.
If the next author of a blaster style virus is smart then they will
make a slower attack method so it won't be noticed at first, and then
over time the attack will speed up until you read DDoS levels.
Another method of infection I have seen is if you use AOL over TCP/IP
or some other service where you basically VPN in with the client then
you are open to attack by that other network. Your machine then can
attack your own network after that.
-Josh
-- Joshua Levitsky, CISSP, MCSE System Engineer AOL Time Warner [5957 F27C 9C71 E9A7 274A 0447 C9B9 75A4 9B41 D4D1] --------------------------------------------------------------------------- FREE Whitepaper: Better Management for Network Security Looking for a better way to manage your IP security? Learn how Solsoft can help you: - Ensure robust IP security through policy-based management - Make firewall, VPN, and NAT rules interoperable across heterogeneous networks - Quickly respond to network events from a central console Download our FREE whitepaper at: http://www.securityfocus.com/sponsor/Solsoft_focus-ms_031015 ---------------------------------------------------------------------------
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