A 17-year-old from Brooklyn, N.Y., identified as Mikeyy Mooney, claimed responsibility for creating the Twitter worm. The latest worm attack uses the bit.ly URL shortening service to redirect victims to an infected profile. Twitter administrators don’t seem to be able to shut down the various XSS/CSRF worms that have been plaguing the service over the weekend. A post on the Secure Science blog warns that the viral effect of social networks magnifies the impact of viral computer code.”]
Source: https://www.darkreading.com/attacks-breaches/twitter-visited-by-worms-instead-of-bunnies