3/16: Rbot-YB Worm OKs Remote Access
March 16, 2005

W32/Rbot-YB is a network worm with backdoor functionality for the Windows platform. It allows unauthorized remote access to the infected computer via IRC channels.

It may spread using a variety of techniques, such as exploiting weak passwords on computers and SQL servers, exploiting operating system vulnerabilities, and using backdoors opened by other worms or Trojans.

More information can be found at Sophos page.