Projets Ingénieurs

#PI²5 Automatic mapping of an industrial environment network



During a security audit, mapping objects connected to the Internet (TCP/IP) and to loT networks (zigbee, LoRa, Bluetooth …) is essential to identify potential vulnerabilities.

Working in partnership with Red Alert Labs, a company specializing in IoT bcybersecurity auditing, we have developed a tool that allows us to map a network, recovering as much information as possible, such as IP address, MAC address, open ports or OS.

To do this, we use sniffing to detect the devices communicating between them on the network. In a second phase, we perform ARP queries to find the devices that are not communicating. However, the firewall can cause problems during this step, so we have separated it from sniffing.

Finally, we are interested in the IoT communication protocol Zigbee to identify potential gateways on the network, and the objects connected to it.

All this allows us to develop the most exhaustive mapping of the network to facilitate the auditor’s work.

Thanks to this, he can identify any anomaly or weakness in the network, using the results given in a json format and the map generated in png.Learn more about ESILV:

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