Hayabusa medium test sigma

Potential Discovery Activity Via Dnscmd.EXE

Detects an attempt to leverage dnscmd.exe to enumerate the DNS zones of a domain. DNS zones used to host the DNS records for a particular domain.

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Detection Logic

{
  "process_creation": {
    "EventID": 4688,
    "Channel": "Security"
  },
  "selection_img": {
    "NewProcessName
| endswith": "\\dnscmd.exe"
  },
  "selection_cli": {
    "CommandLine
| contains": [
      "/enumrecords",
      "/enumzones",
      "/ZonePrint",
      "/info"
    ]
  },
  "condition": "process_creation and (all of selection_*)"
}

False Positives

⚠ Legitimate administration use

Field Validations

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