full-disclosure - A Chat With The NGR Bot

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Date: Wed, 13 Jun 2012 15:28:07 -0500
From: "Adam Behnke" <adam@...osecinstitute.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: A Chat With The NGR Bot

NGR Bot (also known as Dorkbot) was examined to be a user-mode rootkit that
could be remotely controlled via Internet-Relay-Chat (IRC) protocol. It was
designed with the intention to steal digital identity, perform denial of
service, and manipulate the domain name resolution.

It spreads via Recycler bin social engineering as well as by hooking into
via social networking sites.

This article aims to provide some technical insights of this NGR Bot V1.0.3
sample (MD5 “1CA4E2F3C8C327F8D823EB0E94896538″) on the following topics:

(1) Encryption & tampering detection mechanism
(2) Functionalities
(3) Hooking technique
(4) Architecture Set-up for communicating with this malware

To view the entire article, go here:
http://resources.infosecinstitute.com/ngr-rootkit/

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