Aliases
Backdoor.IRCBot.gen, W32/Generic.b.worm
Type
Win32 worm
Description
W32/Sdbot-AL is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels while running in the background as a service process.
W32/Sdbot-AL spreads to network shares with weak passwords as a result of the backdoor Trojan element receiving the appropriate command from a remote user.
More: http://www.sophos.com/virusinfo/analyses/w32sdbotal.html

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