One day, GS Labs research and development center launched a project to identify possible bugs and vulnerabilities in its systems. However, the tested device chosen to run the application was pretty tricky: no way to install the root and no Ethernet connection. The only available communication methods were Wi-Fi and a remote control with a few buttons – so, who knows what’s going to be transferred via Wi-Fi? Hackers do not like uncertainty. Hackers like certainty. I had a couple of ESP32-based debug boards at home (the ESP32-PICO-KIT), and decided to build a Wi-Fi sniffer with the potential to be upgraded to a Bluetooth sniffer.

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So you’ve got that flashy new high-tech gadget. It could be a smart home controller or a top-notch interactive media streaming box – the one that can tune in to thousands of channels from all over the world and make an espresso during commercial breaks. But how to find out what this gadget is doing behind your back?

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This article is dedicated to some of the most popular and, more importantly, working post-exploitation utilities for Linux servers. You are about to learn how to manipulate the system, gain root access, or steal valuable data right away. Learn what to do after penetrating protected corporate perimeters, bypassing dozens of detection systems and honeypots, or even getting physical access to the target system. Expand your possibilities and become a super-user!

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