NotDoor Malware Activity Detection
This rule detects various activities associated with the NotDoor malware, including the copying of malicious files to Outlook macro folders, C2 beaconing attempts using nslookup or curl to suspicious domains, registry modifications to disable Outlook macro security or enable macro loading on boot, and the creation of staging files in temporary directories for potential exfiltration. These behaviors are indicative of NotDoor installation, persistence, defense evasion, and data staging.
Microsoft Sentinel (KQL)

