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WFP Filter Added via Registry

Detects registry modifications that add Windows Filtering Platform (WFP) filters, which may be used to block security tools and EDR agents from reporting events.

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Detection Logic

{
  "selection": {
    "TargetObject
| contains": "\\BFE\\Parameters\\Policy\\Persistent\\Filter\\"
  },
  "filter_main_svchost": {
    "Image": [
      "C:\\Windows\\System32\\svchost.exe",
      "C:\\Windows\\SysWOW64\\svchost.exe"
    ]
  },
  "condition": "selection and not 1 of filter_main_*"
}

False Positives

  • ⚠ Unknown

Field Validations

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