Add macOS suspicious UI process termination rule - #6177
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Summary of the Pull Request
Adds a new macOS process creation rule to detect the use of
pkillorkillallto terminate Terminal and core macOS user interface processes, including Finder, Dock, SystemUIServer, and NotificationCenter.This behaviour has been observed in macOS stealer campaigns attempting to conceal malicious activity, close visible windows, suppress notifications, or interfere with normal user interaction.
Changelog
new: Suspicious MacOS User Interface Process Termination
Example Log Event
Not applicable. This pull request adds a new detection rule.
Fixed Issues
None.
SigmaHQ Rule Creation Conventions