Question

A virus or worm can have a payload that installs a(n) ____________________ door or trap door component in a system, which allows the attacker to access the system at will with special privileges.

Answer 1

The virus/worm can give an attacker a backdoor

Answer 2

A virus or worm can have a payload that installs back door or trap door component in a system, which allows the attacker to access the system at will with special privileges.

Thus this is the required answer.