Workshop Material on VM-based Deobfuscation

This repository contains slides, samples and code of the 4h code deobfuscation workshop at r2con2021. We give a brief introduction into virtualization-based obfuscation and manually analyze a simple VM generated by Tigress. Afterward, we use symbolic execution to automate the analysis and write a dynamic VM disassembler that is based on Miasm. The recording is available here. Installation # on debian/ubuntu based systems: sudo apt-get install python-dev # clone repository and    

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A ROS2 port of the linorobot package

linorobot2 linorobot2 is a ROS2 port of the linorobot package. If you’re planning to build your own custom ROS2 robot (2WD, 4WD, Mecanum Drive) using accessible parts, then this package is for you. This repository contains launch files to easily integrate your DIY robot with Nav2 and a simulation pipeline to run and verify your experiments on a virtual robot in Gazebo. Once the robot’s URDF has been configured in linorobot2_description package, users can easily switch between booting up the […]

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The IDA Pattern Search plugin adds a capability of finding functions according to bit-patterns

by Argus Cyber Security Ltd. The IDA Pattern Search plugin adds a capability of finding functions according to bit-patterns into the well-known IDA Pro disassembler based on Ghidra’s function patterns format. Using this plugin, it is possible to define new patterns according to the appropriate CPU architecture and analyze the target binary to find and define new functions in it. For more detailed information, including Ghidra’s format for bit-patterns and how to generate new patterns, check out our blog post […]

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Educational python for Neural Networks

EpyNN is written in pure Python/NumPy. If you use EpyNN in academia, please cite: Malard F., Danner L., Rouzies E., Meyer J. G., Lescop E., Olivier-Van Stichelen S. EpyNN: Educational python for Neural Networks, 2021, Submitted. Documentation Please visit https://epynn.net/ for extensive documentation. Purpose EpyNN is intended for teachers, students, scientists, or more generally anyone with minimal skills in Python programming who wish to understand and build from basic implementations of Neural Network architectures. Although EpyNN can be used for […]

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Distfit: Probability density fitting

Star it if you like it! Background distfit is a python package for probability density fitting across 89 univariate distributions to non-censored data by residual sum of squares (RSS), and hypothesis testing.Probability density fitting is the fitting of a probability distribution to a series of data concerning the repeated measurement of a variable phenomenon. distfit scores each of the 89 different distributions for the fit wih the empirical distribution and return the best scoring distribution. Functionalities The distfit library is […]

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