Hayabusa high test sigma

DPRK Threat Actor - C2 Communication DNS Indicators

Detects DNS queries for C2 domains used by DPRK Threat actors.

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Detection Logic

{
  "dns_query": {
    "EventID": 22,
    "Channel": "Microsoft-Windows-Sysmon/Operational"
  },
  "selection": {
    "QueryName": [
      "connection.lockscreen.kro.kr",
      "updating.dothome.co.kr"
    ]
  },
  "condition": "dns_query and selection"
}

False Positives

  • ⚠ Unlikely

Field Validations

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