This is a simple attack that enables running multiple applications in victims pc just to harass him. There are many ways to ebomb but this is the most easiest way to do it. Simply open notepad and type....
What actually a backdoor or trojan is. I already posted about trojans so backdoor virus Is A remote administration utility that bypasses normal security mechanisms to secretly control a program, computer or network.
Most of the Trojans use auto-starting methods so that the servers are restarted every time the remote machine reboots / starts. This is also notified to the attacker. As these features are being countered, new auto-starting methods are evolving. Well now ,some type of trojan virus are..