Add rule to detect activation of a Wi-Fi hotspot on Ubuntu systems via NetworkManager, based on syslog. #5255
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Detects the activation of a Wi-Fi hotspot on Ubuntu systems via NetworkManager, based on syslog logs. When a user enables the "Hotspot" feature, it effectively shares the machine's internet connection with nearby devices using wireless tethering. Monitoring for hotspot activations helps enforce network security policies and detect potential misuse, insider threats, or policy violations.
"Fix indentation and YAML formatting for Sigma rule"
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Summary of the Pull Request
Detects the activation of a Wi-Fi hotspot on Ubuntu systems via NetworkManager, based on syslog logs. When a user enables the "Hotspot" feature, it effectively shares the machine's internet connection with nearby devices using wireless tethering.
Monitoring for hotspot activations helps enforce network security policies and detect potential misuse, insider threats, or policy violations.
Changelog
Example Log Event
Apr 7 18:59:19 (username)NetworkManager[1070]: [1686317359.6672] audit: op="connection-activate" uuid="f1cf1e1c-fb63-45b6-a476-2691d98a266f" name="Hotspot" pid=330790 uid=123450280 result="success"
Apr 7 18:59:19 (username) NetworkManager[1070]: [1686317359.8283] device (wlp0s20f3): Activation: starting connection 'Hotspot' (f1cf1e1c-fb63-45b6-a476-2691d98a266f)
Fixed Issues
SigmaHQ Rule Creation Conventions