Social engineering on Twitter

August 4, 2008 – 1:40 PM

This week it’s Twitter’s turn to host an attack – one that is targeting both Twitter users and the Internet community at large. In this case it’s a malicious Twitter profile[skip]/ with a name that is Portuguese for ‘pretty rabbit’ which has a photo advertising a video with girls posted.

This profile has obviously been created especially for infecting users, as there is no other data except the photo, which contains the link to the video.

If you click on the link, you get a window that shows the progress of an automatic download of a so-called new version of Adobe Flash which is supposedly required to watch the video. You end up with a file labeled Adobe Flash (it’s a fake) on your machine; a technique that is currently very popular.

In reality, this is a Trojan downloader that proceeds to download 10 bankers onto the infected machine, all of which are disguised as MP3 files. We first detected the downloader proactively as Heur.Downloader and then added a signature to detect it also as Trojan-Downloader.Win32.Banload.sco.


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