nexmon

The C-based Firmware Patching Framework for Broadcom/Cypress WiFi Chips enables Monitor Mode, Frame Injection, and much more. Nexmon is our C-based firmware patching framework for Broadcom/Cypress WiFi chips that enables you to write your own firmware patches, for example, to enable monitor mode with radiotap headers and frame injection. This repository mainly focuses on enabling monitor mode and frame injection on many chips. A real Wi-Fi jammer that allows to overlay ongoing frame transmissions with an arbitrary jamming signal. It uses the Wi-Fi chip as a Software-defined Radio to generate jamming signals. It allows using non-standard channels such as 80 MHz bandwidth in the 2.4 GHz bands. It allows to set of arbitrary transmission powers. It allows patching the D11 core's real-time MAC implementation. It allows to extract of CSI of up to 4x4 MIMO transmissions at 80 MHz bandwidth.

Features

More advanced Software-defined Radio capabilities than the jammer
Example application for channel state information extraction
Currently only transmissions are working in both 2.4 and 5 GHz Wi-Fi bands
It allows to set arbitrary transmission powers
Channel State Information extractor for various Wi-Fi chips
Covert Channel that hides information in Wi-Fi signals

Project Samples

Project Activity

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Programming Language

Related Categories

C Frameworks

Registered

2022-11-23

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