Opening a Car and Garage Door With PlutoSDR

Over on his YouTube channel Tysonpower (aka Manuel) has uploaded a video showing how he was able to use his PlutoSDR to perform some simple replay attacks that open his garage and car doors. To do this he records the signal from the wireless keyfobs with the PlutoSDR, and then uses a GNU Radio program to replay that signal again at a later time. From the tests he concludes that the PlutoSDR can be a great cheaper alternative to a HackRF, with the PlutoSDR coming in at $100 vs $300 for the HackRF.

To get around the rolling code security on his car he records the keyfob with the PlutoSDR while it’s out of the wireless range of his car, so that the rolling code will not be invalidated. Then later closer to the car the PlutoSDR is used to replay the car keyfob signal which opens the door.

Note that Tysonpower’s video is narrated in German, but English subtitles are available through the YouTube interface.

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