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How to Install Ubertooth software on the Pwn Pro

Last Updated: Nov 20, 2019 09:00AM EST
The following provides instructions how to install Ubertooth (see on a Pwn Pro sensor.

Ensure the sensor has connectivity to the update servers, then type the following commands and press Enter after each line

apt-get install cmake libusb-1.0-0-dev
apt-get install make gcc g++
apt-get install libbluetooth-dev pkg-config
apt-get install libpcap-dev python-numpy
apt-get install python-pyside python-qt4
wget -O libbtbb-2015-09-R2.tar.gz
tar xf libbtbb-2015-09-R2.tar.gz
cd libbtbb-2015-09-R2
mkdir build
cd build
cmake ..
make install
wget -O ubertooth-2015-09-R2.tar.xz
tar xf ubertooth-2015-09-R2.tar.xz
cd ubertooth-2015-09-R2/host
mkdir build
cd build
cmake ..
make install

LAP Sniffing
Bluetooth packets start with a code that is based on the Lower Address Part (LAP) of a particular Bluetooth Device Address (BD_ADDR). The BD_ADDR is a 48 bit MAC address, just like the MAC address of an Ethernet device. The LAP consists of the lower 24 bits of the BD_ADDR and is the only part of the address that is transmitted with every packet.

The most important passive Bluetooth monitoring function is simply capturing the LAP from each packet transmitted on a channel. LAP sniffing allows you to identify Bluetooth devices operating in your vicinity.

Make sure your Ubertooth One is plugged in and its antenna attached, then execute:

$ ubertooth-rx

You should see various random LAPs detected. Due to uncertainties in identifying Bluetooth packets without prior knowledge of an address, it is normal for this process to identify false positives. error correction should mitigate this problem, but a small number of false positives may still be seen. When you see the same LAP detected more than once, that is very likely an actual Bluetooth transmission.

Generate some Bluetooth traffic and enjoy the show. I like to use a mobile phone or other Bluetooth device to perform an inquiry (usually called "find new Bluetooth devices" or something similar) to make sure that everything is working properly. An inquiry should produce lots of packets with the LAP 0x9e8b33.

Once you have seen a LAP multiple times, you can be confident that it is a genuine Bluetooth piconet. To find the next byte of the address, the UAP, we can use:

$ ubertooth-rx -l [LAP]

In this mode ubertooth-rx only detects packets from the given piconet and uses them to determine the next byte of the address and some of the internal clock value.

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