Insurrection (Trojan Horse) is a remote administration tool or remote administration trojan (RAT) as well as a backdoor program that allows an intruder to secretly and remotely access a person's computer using a client program installed on the intruder's PC and a server program secretly installed on the victim's PC. Using the trojan, the intruder is able to control aspects of the victim's PC, including disabling antivirus and firewall software, browse the victim's files, upload and download files, and log keystrokes among other unwanted activities.