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Fake Microsoft Security Bulletin Email

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US-CERT has received reports of an email message circulating purporting to be a Microsoft Security Bulletin. The email directs the user to download and install an executable that is supposed to be a cumulative patch. Through the use of social engineering that attacker is hoping to trick the user into thinking they will be installing a cumulative patch when in fact they are installing a version of SDBot, a commonly used Trojan horse.


This variant of SDBot is part of a family of backdoor Trojan horse programs commonly controlled remotely by an attacker via Internet Relay Chat (IRC). Some variants of SDBot may not be detected by anti-virus applications.


In 2003, a similar email message masquerading as a Microsoft Security Bulletin was circulated via email. Users that clicked on the link in this email message were infected with the Swen mass-mailing worm.


US-CERT recommends:


* Users do not follow unsolicited web links received in email messages.

* Users should manually type in the URL when attempting to go to the web sites recommended in an email.

* Users install anti-virus software, and keep its virus signature files up-to-date.

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it is not that easy to fool win server 2003


it offers high security over internet

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