Normally this is done by sending the file by email, ICQ or IRC and asking the user to run it. After running it, a server is installed on the PC which allows remote access. The four main backdoor programs are Back Orifice , NetBus , Sub7 and Deep Throat . The first two are often distributed as a file called icqpatch.exe or patch.exe . Back Orifice has also been distributed as a program called BOSniffer .
List of ports use by trojans.
Use netstat command to check the ports open. Close trojan ports Use Housecall to scan and clean for virus. Privacy What to do about junk mail or spam. Your browser supplies your domain name to web servers. Use our proxy server for more anonymity.