Hayabusa high test sigma

Sysmon Blocked Executable

Triggers on any Sysmon "FileBlockExecutable" event, which indicates a violation of the configured block policy

View Source

Detection Logic

{
  "sysmon": {
    "Channel": "Microsoft-Windows-Sysmon/Operational"
  },
  "selection": {
    "EventID": 27
  },
  "condition": "sysmon and selection"
}

False Positives

  • ⚠ Unlikely

Field Validations

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