Hayabusa high test sigma

DNS Exfiltration and Tunneling Tools Execution

Well-known DNS Exfiltration tools execution

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Detection Logic

{
  "process_creation": {
    "EventID": 4688,
    "Channel": "Security"
  },
  "selection": [
    {
      "NewProcessName
| endswith": "\\iodine.exe"
    },
    {
      "NewProcessName
| contains": "\\dnscat2"
    }
  ],
  "condition": "process_creation and selection"
}

False Positives

  • ⚠ Unlikely

Field Validations

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