Information Security

btscanner Brute Force Bluetooth Crashes On Backtrack 5 R3

Security3 Comments

I have been playing around with some of the bluetooth tools within Backtrack recently and btscanner is one of the main tools I have bene using. The btscanner application in Backtrack Linux provides two bluetooth scanning functions it calls inquiry scanning and brute force scanning. Unfortunately the package installed with Backtrack 5 release 3 will crash when attempting to use it for brute force scanning however I was able to create a fix that isn’t too messy to accomplish. Below we describe the btscanner crash in more detail and provide a way to get btscanner bluetooth brute forcing operating properly.

Technology Errors

BtScanner Compile Error: cc1: error: unrecognized command line option -Wimplicit-function-dec

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While doing some testing this evening I ran into all sorts of errors when attempting to compile a new version of btscanner on Backtrack Linux 5 R3. Luckily it is super easy to resolve the error complaining about an unrecognized command named -Wimplicit-function-dec. This error will display when attempting to run “make” against an already configured (./configure) btscanner source. Below we output the error in more detail, explain how to resolve the error by editing the make file, and then display the compilation process moving past the error.

Technology Insights

Install Python 2.4 On Backtrack Linux 5 R3

Insights1 Comment

Some tools in Backtrack Linux version 5 R3 were written for older versions of Python so if you are interested in using some of these tools in can be beneficial to install older versions of Python such as Python 2.4. Below I describe how to easily install Python 2.4 without causing issues with the Python 2.6 that is installed by default on Backtrack Linux 5 R3 or Ubuntu 10.04.

Technology Insights

Move Long Running Linux Process To Screen Session

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Have a long running Linux process open in a SSH terminal window and need to shutdown your computer without killing it? I run into this on a regular basis and never spent the time looking into a solution but this past weekend I actually decided to look and came up with a cool solution called reptyr. The reptyr application allows you to open screen and migrate the process to the screen terminal and away from the terminal connection opened without screen. This allows you to detach from the window without killing the process. Below is a quick overview of installing reptyr and how to use it.