Trojan horse


Trojan horse, or Trojan, is malware that appears to perform a desirable function for the user prior to run or install but instead facilitates unauthorized access of the user's computer system. "It is a harmful piece of software that looks legitimate. User are typically tricked into loading and executing it on their systems", as Cisco describes. The term is derived from the Trojan horse story in Greek mythology.
Functions of Trojan horse
* Remote Access
* Data Destruction
* Downloader/dropper
* Server Trojan(Proxy, FTP , IRC, Email, HTTP/HTTPS, etc.)
* Disable security software
* Denial-of-service attack (DoS)

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