Welcome to the Virus Encyclopedia of Panda Security.
|Effects: ||It connects to an IRC channel and carries out actions as redirecting and scanning ports, downloading and running files, launching denial of service attacks and sending the backdoor via IRC.|
|Detection updated on:||Oct. 20, 2003|
Sdbot.N is a backdoor that has been massively sent in an e-mail message with the subject Microsoft Security Update and the attachment MS03-047.EXE. The message tricks the user into thinking that it comes from Microsoft.
When the attached file is run, Sdbot.N goes memory resident and connects to an IRC channel.
Sdbot.N receives remote control commands via IRC in order to carry out the following actions, among others: redirect ports, download and run files, scan ports, update the backdoor, launch denial of service (DoS) attacks and send the backdoor to other IRC channels.
Sdbot.N is easy to recognize, as it shows the following symptoms: