Malware distributors are setting up security blogs to attract web surfers looking for security information before redirecting them to other sites that infect their machines with malware.
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In most cases, the visitor is automatically redirected from the blog page to a randomly selected porn site, but in some cases the redirect is to rogue security sites that offer fake security applications and infect visitors with spyware and Trojans.
Google company Blogger.com is the most popular free blog with tools for creating and hosting blogs.
Creating and editing blogs on Blogger is simple, as anyone can sign up for an account, choose a template for their blog's look, and be up and running within minutes.
Blogger lets users add and arrange page elements merely by dragging and clicking. The Aladdin eSafe Content Security Response Team, which reported the new threat, says malware distributors are using this feature to plant malicious scripts inside scam-filled blogs that redirect victims to a wide range of websites harbouring various kinds of malware.