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PowerShell ShellCode

Detects Base64 encoded Shellcode

View Source

Detection Logic

{
  "ps_script": {
    "EventID": 4104,
    "Channel": [
      "Microsoft-Windows-PowerShell/Operational",
      "PowerShellCore/Operational"
    ]
  },
  "selection": {
    "ScriptBlockText
| contains": [
      "OiCAAAAYInlM",
      "OiJAAAAYInlM"
    ]
  },
  "condition": "ps_script and selection"
}

False Positives

  • ⚠ Unknown

Field Validations

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