Microsoft Warns IE Users of Security Threat
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Some users of Microsoft Corp.'s Internet Explorer Web browser have unknowingly become participants in a denial of service attack launched on a Web site operated by the Bulgarian Telecommunications Co.
Microsoft has posted a message on its Web site warning IE users of the "trojan horse" program that acompanies an e-mail messages sent out last week using a forged Microsoft return address.
The fraudulent message, from IEsupport@microsoft.com, informs receipts that IE contains bugs that can be fixed by running an included attachment. The file is actually a trojan horse that, when executed, will launch a flood from the user's computer to the Web server operated by the BTC.
Experts attribute the attack to BTC's recent entry into the Internet access business. The BTC has taken down the site while operators are upgrading its server software.