Spammers increasingly using malicious HTML in e-mails

Posted on Tuesday, September 28 2010 @ 7:07 CEST by Thomas De Maesschalck

Security firm Barracuda Networks reports spammers are cranking up the use of malicious HTML attachments that launch JavaScript attacks:

Using a number of search engine optimization-driven subject lines, the latest campaign tries to get recipients to click on "harmless" HTML attachments which launches an obfuscated Javascript attack that sends users to a variety of websites peddling everything from bogus CODECS to pharmacy.

One in particular, a standard advertisement for fake antivirus software, installs a back door -- even if the browser is closed so by the time the HTML file has been clicked it is already too late. (See also "How to Spot an E-Mail Scam.")

About the Author

Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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