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Potential Persistence Via Outlook Form

Detects the creation of a new Outlook form which can contain malicious code

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Detection Logic

{
  "file_event": {
    "EventID": 11,
    "Channel": "Microsoft-Windows-Sysmon/Operational"
  },
  "selection": {
    "Image
| endswith": "\\outlook.exe",
    "TargetFilename
| contains": [
      "\\AppData\\Local\\Microsoft\\FORMS\\IPM",
      "\\Local Settings\\Application Data\\Microsoft\\Forms"
    ]
  },
  "condition": "file_event and selection"
}

False Positives

  • ⚠ Legitimate use of outlook forms

Field Validations

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