People using Web 2.0 have personal Web spaces, blogs, and online discussions on forums and public boards. Everyone can create Web content from his or her own computer just by using the browser. So what would be the perfect vector for spreading malwares in the Web 2.0 world? The Web itself, of course.
On Monday we posted a blog about a new variant of Trojan.Mespam distributed via StormWorm/Peacomm botnet. We noticed that this new Mespam takes advantage of new Web technologies and spreads by injecting malicious links when users interact with the Web.
What does it mean? When users are going to post something on any Web site running VBulletin or phpBB, the Trojan will sneakily add a malicious link into the outgoing Web packet. The same also happens when users are sending emails using clients such as Gmail, Yahoo,...