Hayabusa low test sigma

Net.EXE Execution

Detects execution of "Net.EXE".

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Detection Logic

{
  "process_creation": {
    "EventID": 4688,
    "Channel": "Security"
  },
  "selection_img": [
    {
      "NewProcessName
| endswith": [
        "\\net.exe",
        "\\net1.exe"
      ]
    },
    {
      "OriginalFileName": [
        "net.exe",
        "net1.exe"
      ]
    }
  ],
  "selection_cli": {
    "CommandLine
| contains": [
      " accounts",
      " group",
      " localgroup",
      " share",
      " start",
      " stop ",
      " user",
      " view"
    ]
  },
  "condition": "process_creation and (all of selection_*)"
}

False Positives

  • Likely

Field Validations

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