Welcome to the Virus Encyclopedia of Panda Security.
|Backdoor opens a communication channel in the affected computer in order to allow a hacker to access the system.|
Backdoor does not spread automatically using its own means. It needs the attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, e-mail messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc