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systems can be infected without network!!!

Created: 03 Dec 2013
captain jack sparrow's picture
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can transmit information between computers using high-frequency sound waves inaudible to the human ear. The duo successfully sent passwords and more between non-networked Lenovo T400 laptops via the notebooks’ built-in microphones and speakers. Freaky-deaky!
The infected victim sends all recorded keystrokes to the covert acoustical mesh network. Infected drones forward the keystroke information inside the covert network till the attacker is reached.

ref:
http://www.pcworld.com/article/2068525/researchers...