{"repo":"fulldecent/system-bus-radio","free":true,"listed":false,"github":"https://github.com/fulldecent/system-bus-radio","clone":"git clone https://github.com/fulldecent/system-bus-radio.git","description":"Transmits AM radio on computers without radio transmitting hardware.","language":"C","stars":6693,"topics":["radio","equipment","software-defined-radio","exfiltration","security","transmission","transmitter","airgap","low-level","radiation"],"license":"MIT","category":"security-tools","readme_excerpt":"System Bus Radio This program transmits radio on computers / phones without radio transmitting hardware. Thank you to our sponsors Listen to online radio - Why? Some computers are intentionally disconnected from the rest of the world. This includes having their internet, wireless, bluetooth, USB, external file storage and audio capabilities removed. This is called \"air gapping\". Even in such a situation, this program can transmit radio. Publicly available documents already discuss exfiltration from secured systems using various electromagnetic radiations. This is documented in the TEMPEST guidelines published by the US National Security Agency and the US Department of Defense. This project simply adds to that discussion. How to use it NEW: Try it in your browser, click here: Enter the implementations folder, select any of them and compile using make . Run this using a 2015 model MacBook Air. Then use a Sony STR-K670P radio receiver with the included antenna and tune it to 1580 kHz on AM. Run it and reference the a tune file or make your own! You should hear the \"Mary Had a Little Lamb\" tune playing repeatedly. Other equipment and tuning may work as well. On the equipment above, the author has achieved clear transmission over two meters of open air or one meter through drywall. Different results will be achievable with different equipment. Are you using an antenna? At the beginning, the author placed the antenna directly on top of the number 4 key and that worked best (on any ","default_branch":null,"files":null,"tree":[],"storefront":"/r/fulldecent","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/fulldecent/system-bus-radio/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}