Which of the following creates backdoor in the host computer?

Correct answer is Trojan Horse.

Key Points

• A Trojan is a malicious computer program pretending to be something it's not for the purposes of delivering malware, stealing data, or opening up a backdoor on your system .
• The Trojan horse appeared to be a legitimate gift. In a similar vein, a Trojan virus looks like legitimate software.
• A computer infected by Trojan malware can also spread it to other computers.
• Called ANIMAL, the first Trojan was developed by computer programmer John Walker in 1975.

Additional Information

• A computer virus is a malicious piece of computer code designed to spread from device to device.
• A computer worm is a type of Trojan that is capable of propagating or replicating itself from one system to another.
• Adware is unwanted software designed to throw advertisements up on your screen, most often within a web browser.