An apparently useful and innocent program containing additional hidden code which allows the unauthorized collection, exploitation, falsification, or destruction of data. When this program executes, the program performs a specific set of actions, usually working toward the goal of allowing the trojan to survive on a system and open up a backdoor.
A tool that is intended to be used by network administrators to remotely control a PC on the network, usually for support or inventory purposes. Due to the nature of the program, the possibility exists to be exploited for spying purposes.
