What? This is the most ridiculous thing I've read in the past month.<p>Extraterrestrials would have to target specific buffer overflow bugs or something in SETI executable code, which to know about, basically means they're already visiting Earth in UFO's and walking around NASA as spies. And if they're already doing that, I don't think they need to create a computer virus to accomplish their goals.<p>There's no such thing as a "general" computer virus. Viruses are OS/program-specific.<p>This article/headline is pure science fiction, and pretty bad fiction at that.
If you run the numbers on signal strength there is only a tiny number of stars that are close enough that we could receive anything that was not sent directly to us using a stupidly powerful and tightly focused beam. As in if there where a repeater on the closest star that sent out a 1 to 1 copy of every omnidirectional radio signal from earth we would not be able to hear it.