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In computing, a Trojan horse (or simply Trojan) is any malware that misleads users of its true intent by disguising itself as a standard program. The term is derived from the ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy. [1] Trojans are generally spread by some form of social engineering.
The rootkit creates vulnerabilities on affected computers, making them susceptible to infection by worms and viruses. Late 2005: The Zlob Trojan, is a Trojan horse program that masquerades as a required video codec in the form of the Microsoft Windows ActiveX component. It was first detected in late 2005.
When a new virus appears, the rush begins to identify and understand it as well as develop appropriate counter-measures to stop its propagation. Along the way, a name is attached to the virus. Since anti-virus software compete partly based on how quickly they react to the new threat, they usually study and name the viruses independently.
Malware (a portmanteau of malicious software) [1] is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive access to information, or which unknowingly interferes with the user's computer security and privacy.
The Trojan Horse is not mentioned in Homer's Iliad, with the poem ending before the war is concluded, and it is only briefly mentioned in the Odyssey. But in the Aeneid by Virgil , after a fruitless 10-year siege, the Greeks constructed a huge wooden horse at the behest of Odysseus , and hid a select force of men inside, including Odysseus himself.
The virus looks for a Delphi installation, modifies the SysConst.pas file, which is the source code of a part of the standard library and compiles it. After that, every program compiled by that Delphi installation will contain the virus. An attack that propagates by building its own Trojan horse can be especially hard to discover. It resulted ...