Sigma medium test sigma

Potential ShellDispatch.DLL Functionality Abuse

Detects potential "ShellDispatch.dll" functionality abuse to execute arbitrary binaries via "ShellExecute"

View Source

Detection Logic

{
  "selection_img": [
    {
      "Image
| endswith": "\\rundll32.exe"
    },
    {
      "OriginalFileName": "RUNDLL32.EXE"
    }
  ],
  "selection_cli": {
    "CommandLine
| contains": "RunDll_ShellExecuteW"
  },
  "condition": "all of selection_*"
}

False Positives

  • ⚠ Unlikely

Field Validations

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