Hayabusa high test sigma

Suspicious Splwow64 Without Params

Detects suspicious Splwow64.exe process without any command line parameters

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Detection Logic

{
  "process_creation": {
    "EventID": 1,
    "Channel": "Microsoft-Windows-Sysmon/Operational"
  },
  "selection": {
    "Image
| endswith": "\\splwow64.exe",
    "CommandLine
| endswith": "splwow64.exe"
  },
  "condition": "process_creation and selection"
}

False Positives

  • ⚠ Unknown

Field Validations

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