Hayabusa critical stable sigma

Antivirus - Exploitation Framework Signature

Detects a highly relevant Antivirus alert that reports an exploitation framework. This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.

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Detection Logic

{
  "antivirus": {
    "EventID": [
      1006,
      1007,
      1008,
      1009,
      1010,
      1011,
      1012,
      1017,
      1018,
      1019,
      1115,
      1116
    ],
    "Channel": "Microsoft-Windows-Windows Defender/Operational"
  },
  "selection": {
    "ThreatName
| contains": [
      "ATK/Cobalt",
      "Backdoor.Cobalt",
      "Beacon",
      "Brutel",
      "BruteR",
      "CbltStr",
      "CobaltStr",
      "COBALT.SMD",
      "COBEACON",
      "Cometer",
      "Exploit.Script.CVE",
      "IISExchgSpawnCMD",
      "Metasploit",
      "Meterpreter",
      "MeteTool",
      "Mpreter",
      "MsfShell",
      "PowerSploit",
      "Razy",
      "Rozena",
      "Sbelt",
      "Seatbelt",
      "Sliver",
      "Swrort"
    ]
  },
  "condition": "antivirus and selection"
}

False Positives

  • ⚠ Unlikely

Field Validations

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