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HighSigmaHQFlorian Roth (Nextron Systems)

Disabled Windows Defender Eventlog

Detects the disabling of the Windows Defender eventlog as seen in relation to Lockbit 3.0 infections

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
windows
Log source category
registry_set

Known benign triggers

  • Other Antivirus software installations could cause Windows to disable that eventlog (unknown)

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