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In computing, a Trojan horse (or simply Trojan) is a malware that misleads users of its true intent by disguising itself as a normal 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.
RavMonE, also known as RJump, is a Trojan that opens a backdoor on computers running Microsoft Windows.Once a computer is infected, the virus allows unauthorized users to gain access to the computer's contents.
This contrasts with the traditional backdoor that is symmetric, i.e., anyone that finds it can use it. Kleptography , a subfield of cryptovirology, is the study of asymmetric backdoors in key generation algorithms, digital signature algorithms, key exchanges, pseudorandom number generators, encryption algorithms, and other cryptographic algorithms.
Graybird is a Trojan horse that hides its presence on compromised computers and downloads files from remote Web sites. There are many variations of this virus. It was discovered on September 3, 2003 and affects Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP, and Windows Vista.
September 9: The virus, called "here you have" or "VBMania", is a simple Trojan horse that arrives in the inbox with the odd-but-suggestive subject line "here you have". The body reads "This is The Document I told you about, you can find it Here" or "This is The Free Download Sex Movies, you can find it Here".
OSX.FlashBack, [1] also known as the Flashback Trojan, Fakeflash, or Trojan BackDoor.Flashback, is a Trojan horse affecting personal computer systems running Mac OS X. [ 2 ] [ 3 ] The first variant of Flashback was discovered by antivirus company Intego in September 2011.
The first IBM PC virus in the wild was a boot sector virus dubbed (c)Brain, created in 1986 by the Farooq Alvi brothers in Pakistan. [14] Malware distributors would trick the user into booting or running from an infected device or medium. For example, a virus could make an infected computer add autorunnable code to any USB stick plugged into it.
The Storm Worm (dubbed so by the Finnish company F-Secure) is a phishing backdoor [1] [2] Trojan horse that affects computers using Microsoft operating systems, [3] [4] [5] discovered on January 17, 2007. [3] The worm is also known as: Small.dam or Trojan-Downloader.Win32.Small.dam ; CME-711 ; W32/Nuwar@MM and Downloader-BAI (specific variant)