BluePrinting

Manufacturer
Collin Mulliner and Martin Herfurt, Trifinite

Source
•
http://trifinite.org/trifinite_stuff_blueprinting.html
•
http://trifinite.org/Downloads/Blueprinting.pdf
•
http://trifinite.org/Downloads/bp_v100.zip

Description
Blueprinting is a method to remotely find out details about bluetooth-enabled devices.
Blueprinting can be used for generating statistics about manufacturers and models and
to find out whether there are devices in range that have issues with Bluetooth security.

Every bluetooth-enabled device has some characteristics that are either unique (Blue-
tooth device address), maufacturer specific (the first part of the bluetooth device ad-
dress) or model-specific (service description records).
Blueprinting is combining the
different information that Bluetooth-enabled devices reveal in order to determine the
manufacturer as well as the model of the device. Upon different characteristics it is
also possible to tell about the respective firmware version that runs on certain devices.

Every Bluetooth-enabled device that offers services to other Bluetooth-enableddevices
does announce these services via the service discovery protocol (SDP). So, remote de-
vices can query devices upon the offered capabilities


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