Trojan horses are usually designed to do various harmful things, but could be harmless.

Examples:

•Erasing or overwriting data on a computer

•Encrypting files in a crypto viral extortion attack

•Corrupting files in a subtle way

•Upload and download files

•Spreading other malware, such as viruses. In this case, the Trojan horse is called a dropper or vector.

•Setting up networks of zombie computers in order to launch Dodos attacks or send spam

•Spying on the user of a computer and covertly reporting data like browsing habits to other people

•Make screenshots

•Logging keystrokes to steal information such as passwords and credit card numbers (also known as a key logger)

•Phish for bank or other account details, which can be used for criminal activities.

•Installing a backdoor on a computer system

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by uid1307457
last modified: 2009-04-27 17:59:49