rogerd - 11:28 pm on Sep 23, 2009 (gmt 0)

A worm began spreading through Twitter earlier today, beginning with seemingly innocuous messages that read "rofl this you on here?" and a link that looked like a Twitter video site. Users who clicked the link were presented with what looked like an authentic Twitter login page.

The hackers who gathered login info in the "rofl-video" phase then launched a DM spam campaign inviting the recipients to learn how to make hundreds of dollars a day online. (No, I didn't click either link.)

In each case, the DMs came from a Twitter friend, making them more likely to be clicked on.