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Windows Defender Malware And PUA Scanning Disabled

Sigma Rules

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Summary
This detection rule identifies instances where the Windows Defender feature responsible for scanning malware and potentially unwanted applications (PUAs) has been disabled. It is essential to monitor this setting as disabling it can significantly increase the system's vulnerability to malicious software and unwanted applications. The rule triggers based on Event ID 5010, which logs changes to the Windows Defender's scanning capabilities. Organizations should ensure that this feature remains enabled, as its temporary disablement could be an indication of an ongoing attack or an unauthorized modification by an attacker seeking to evade detection. Regularly checking for such events can help in maintaining the integrity of endpoint security measures and ensuring compliance with security policies.
Categories
  • Endpoint
  • Windows
Data Sources
  • Windows Registry
  • Application Log
  • Service
ATT&CK Techniques
  • T1562.001
Created: 2020-07-28