Sigma critical test sigma

Rorschach Ransomware Execution Activity

Detects Rorschach ransomware execution activity

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Detection Logic

{
  "selection": {
    "Image
| endswith": [
      "\\bcdedit.exe",
      "\\net.exe",
      "\\net1.exe",
      "\\netsh.exe",
      "\\wevtutil.exe",
      "\\vssadmin.exe"
    ],
    "CommandLine
| contains": "11111111"
  },
  "condition": "selection"
}

False Positives

  • ⚠ Unlikely

Field Validations

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