But what can you actually do with it? In order to start sniffing Bluetooth conversations between target devices, you need something called the BD_ADDR, or Bluetooth device address, which is similar to an Ethernet MAC address. If you've managed to follow along, you should have some impressive looking text and numbers on your screen. Something that I found pretty useful was to run and watch the output of ubertooth-rx while moving an active device closer and farther away from my Ubertooth One so that I could use the signal strength to figure out which LAP I wanted to target. ch - Channel (at time of capture) used by the device referenced by the LAP.There's a lot to gather from this information, and so here's a description of what some of the more useful fields mean: If everything is working correctly, you should be able to run ubertooth-rx and see output that looks like this. However, checking the version number with ubertooth-util confirmed that the firmware update was actually successful. In my case, I received a control message unsupported error message. If everything works out, you should see something similar to the following in the terminal: Switching to DFU mode. Install the Bluetooth baseband library:Ĭd ~/tools/ubertooth/ubertooth-2020-12-R1/ubertooth-one-firmware-bin.> % brew install libusb wget cmake pkg-config Install the dependencies you need to build the Ubertooth libraries and tools:.> % ioreg -p IOUSB -l -w 0 | grep Ubertooth Plug in the device, and use ioreg to confirm that it's online:.Homebrew, and Python 3 installed (preferably via homebrew).Ī working Ubertooth One connected via USB. I'm assuming the following things are set up: This article is a work in progress, and serves to document my notes experimenting with Bluetooth capture on MacOS Big Sur using the Ubertooth One. Ubertooth One is an open source 2.4 GHz wireless development platform suitable for Bluetooth experimentation. Sniffing Bluetooth Traffic with the Ubertooth One on MacOS Big Sur Learn to capture and analyse bluetooth communications on MacOS Big Sur using the ubertooth one device from Great Scott Gadgets, which you can find here.
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