Hayabusa high test sigma

MMC20 Lateral Movement

Detects MMC20.Application Lateral Movement; specifically looks for the spawning of the parent MMC.exe with a command line of "-Embedding" as a child of svchost.exe

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Detection Logic

{
  "process_creation": {
    "EventID": 4688,
    "Channel": "Security"
  },
  "selection": {
    "CommandLine
| contains": "-Embedding",
    "ParentProcessName
| endswith": "\\svchost.exe",
    "NewProcessName
| endswith": "\\mmc.exe"
  },
  "condition": "process_creation and selection"
}

False Positives

  • ⚠ Unlikely

Field Validations

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