Kali Linux Tutorials

LightBulb Framework is an open source python framework for auditing web application firewalls and filters.

LightBulb Framework Synopsis

The framework consists of two main algorithms:

• GOFA: An active learning algorithm that infers symbolic representations of automate in the standard membership/equivalence query model.

Active learning algorithms permits the analysis of filter and sanitizer programs remotely, i.e. given only the ability to query the targeted program and observe the output.

• SFADiff: A black-box differential testing algorithm based on Symbolic Finite Automate (SFA) learning

Finding differences between programs with similar functionality is an important security problem as such differences can be used for fingerprinting or creating evasion attacks against security software like Web Application Firewalls (WAFs) which are designed to detect malicious inputs to web applications.

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Commands Usage

Main interface commands:

Module commands:

Library commands:

Installation

Prepare your system

First you have to verify that your system supports flex, python dev, pip and build utilities:

For apt platforms (ubuntu, debian…):

    sudo apt-get install flex
 sudo apt-get install python-pip
 sudo apt-get install python-dev
 sudo apt-get install build-essential

(Optional for apt) If you want to add support for MySQL testing:

    sudo apt-get install libmysqlclient-dev

For yum platforms (centos, redhat, fedora…) with already installed the extra packages repo (epel-release):

 sudo yum install -y python-pip
 sudo yum install -y python-devel
 sudo yum install -y wget
 sudo yum groupinstall -y 'Development Tools'

(Optional for yum) If you want to add support for MySQL testing:

 sudo yum install -y mysql-devel 
 sudo yum install -y MySQL-python

Install Lightbulb

In order to use the application without complete package installation:

git clone https://github.com/lightbulb-framework/lightbulb-framework
cd lightbulb-framework
make
lightbulb status

In order to perform complete package installation. You can also install it from pip repository. This requires first to install the latest setuptools version:

pip install setuptools --upgrade
pip install lightbulb-framework
lightbulb status

If you want to use virtualenv:

pip install virtualenv
virtualenv env
source env/bin/activate
pip install lightbulb-framework
lightbulb status

The “lightbulb status” command will guide you to install MySQLdb and OpenFst support. If you use virtualenv in linux, the “sudo” command will be required only for the installation of libmysqlclient-dev package.

It should be noted that the “lightbulb status” command is not necessary if you are going to use the Burp Extension.

The reason is that this command installs the “openfst” and “mysql” bindings and the extension by default is using Jython, which does not support C bindings.

It is recommended to use the command only if you want to change the Burp extension configuration from the settings and enable the native support.

It is also possible to use a docker instance:

docker pull lightbulb/lightbulb-framework

Install Burp Extension

If you wish to use the new GUI, you can use the extension for the Burp Suite. First you have to setup a working environment with Burp Proxy and Jython

• Download the latest Jython from here
• Find your local python packages installation folder*
• Configure Burp Extender to use these values, as shown below*

• Select the new LightBulb module (“BurpExtension.py”) and set the extension type to be “Python”

You can ignore this step, and install the standalone version which contains all the required python packages included. You can download it here

Contributors: George Argyros,Ioannis Stais,Suman Jana,Angelos D. Keromytis Aggelos Kiayias

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