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[ARS] Meet “badBIOS,” the mysterious Mac and PC malware that jumps airgaps - Page 9

post #81 of 154


i remember that movie Virus...
Edited by Master__Shake - 10/31/13 at 1:44pm
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post #82 of 154
Quote:
Originally Posted by vtech1 View Post

these links u keep posting dont load , and its time for everyone to start thinking outside the box for a change... i hate when people say "oh this is impossible" oh u cant do that" it wont work. so on and so forth" thats exactly why we dont have warp capability yet or anti-gravity because people think its impossible...

No disrespect intended but the warp comment just made me lol. By nature the average OCN member will be a tech savvy, logical thinker that will consider any sort of radical and unproven concept in an analytical manner. If currently valid logic says that something is highly improbable it is just that, improbable. Note that I didn't say impossible. While I applaud your imagination basic reasoning skills must be used when trying to explain the unexplained. wink.gif
post #83 of 154
Quote:
Originally Posted by vtech1 View Post

i hate when people say "oh this is impossible" oh u cant do that" it wont work. so on and so forth" thats exactly why we dont have warp capability yet or anti-gravity because people think its impossible...

My gosh, you're right! We don't need scientific reasoning and critical thinking, we just need to believe that something will work hard enough and it will happen.

BRB, going to invent teleportation...

*click click click*, there's not place like home, there's no place like home...
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post #84 of 154
Quote:
Originally Posted by Vagrant Storm View Post


There is also the sound below the human hearing range too...would that be called infrasound? Heh like infrared? I think that would be easier for poor audio equipment to make
Subsonic EDIT: Yep, apparently it is called infrasound. My bad. This part is still relevant though and that would require a much larger transducer to produce. Larger than any computer speaker anyway.
Edited by bavarianblessed - 10/31/13 at 1:56pm
post #85 of 154
Quote:
Originally Posted by Vagrant Storm View Post

Please correct me if I am wrong here...I've honestly never even seen a dial up connection or a phone modem

Wouldn't that require sound going into a modem and not a microphone?. my mic is on right now picking up all sorts of sounds...but that is fine since it can't turn any of those sounds into digital signals. It captures analog sound and then it takes a fairly large piece of software to turn those analog sound in to a sound file. The story is that the infected machines were sending "packets" back and forth...that leads me to believe it was following network protocols and that is not possible without a modem to covert the signals. That is just not possible with a simple mic and speaker combo...well, I suppose it would be possible, but it would take a full on software suite to do it...and I'd think after three years a computer security professional would have discovered that.

And I am still pretty sure that audio was never used to load data to a computer...it was magnetic tape and was read digitally...not as analog sound. A tape player would read it the same way, but then had hardware that would do the opposite of modem and turn the digital data into analog sound.
The early ones (the modem you plug the headset into and the audio cassette data devices) stuck to audible frequencies (up to 20(ish)KHz) because the equipment was designed to operate reliably in those ranges. Later modems and specialized magnetic tape storage devices were designed to accommodate higher (electronically generated) frequencies (higher frequency = faster data transmission).

A speaker just changes an electric signal to sound and mic changes it back, there may be static/interference introduced but not to the same level to obscure the main signal. Any mic that has so much interference that you can't hear your voice won't be too popular smile.gif

I'm far from an expert on network protocols for sure but I'm suspecting with just two keys on my keyboard, say the "1" and "0" I could accurately represent ipv6 packet? or even shout the one's and zero's to you over a phone? Isn't any sort of (common) network protocol still just a collection of binary digits?
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post #86 of 154
Actually...I just dropped everything and started looking into this. Sending data via sound is actually not that hard and files required for it would probably fit in most ROM storage.

However, hiding this would be really hard. It simply must use the sound services. I can't see it being a mystery for long...especially not three years.


but I am actually going to try this...not today most likely. Here is a guide. I am going to try it in the 24,000Hz range though.
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post #87 of 154
You people realize this guy is well known and deemed very trustworthy in the Security Industry right? He has been talking about this for weeks now, no Halloween hoax...
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post #88 of 154
That was an awesome article. I had no idea you can transmit packets via high frequency soundwaves between two computers by just using a microphone and speakers.

Mind = Blown.
post #89 of 154
Quote:
Originally Posted by Oddworld Abe View Post

You people realize this guy is well known and deemed very trustworthy in the Security Industry right? He has been talking about this for weeks now, no Halloween hoax...

Second this. People don't seem to read... This is just some random guy pull stuff out of thin air. Some of this stuff may seem like a stretch, but it seems to all be sited in the article. Hell even MIT is doing a project with Ultra-frequency transmission I saw.
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post #90 of 154
Quote:
Originally Posted by vtech1 View Post

just because its "not possible" doesnt mean the hardware is not capable of it. anything is possible these days im not too surprised..and as a matter of fast i would have a better chance of catching this then winning the powerball...
and speakers can be turned into mics... so it is possible for a motherboard that has that built in little speaker for the beeps to act s a transmitter/receiver... it just takes alot of skill to design something this out of the world exploit...i give the person who did this some credit

From what i know to turn a speaker into a mic you have to physicaly mod it and most motherboards dont even have onboard speakers now days they use led codes or have a spot to plug in a speaker. Thiers lots of loop holes in this virus like it infects the bios well it would need to download the current bios to inject itself and reflash it and every pc it infected would need to do the same so it would need to infect the software side befor it could infect the hardware side. Sounds like a huge hoax to me on most it parts some could be real but you would need to get it from the software side befor it could infect the bios it could be done but seems like it would be likely preprogramed to attack a set of computers like a goverment setup.
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