W32/IRCBot-ABE is a network worm with backdoor functionality for the Windows platform.

W32/IRCBot-ABE spreads via network shares and MSSQL servers protected by weak passwords. The worm can also be spread via chat programs.

W32/IRCBot-ABE runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

Technical details can be found at this Sophos page.