{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/ed32b115-5001-43a7-a2bb-f53026db4d97')]",
      "kind": "NRT",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/ed32b115-5001-43a7-a2bb-f53026db4d97')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDynamicProperties": []
        },
        "alertRuleTemplateName": "ed32b115-5001-43a7-a2bb-f53026db4d97",
        "customDetails": null,
        "description": "Detect failed login attacks and delete user",
        "displayName": "Pure Failed Login",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "HostIP",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "PureLogin",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "PureArrayName",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pure%20Storage/Analytic%20Rules/PureFailedLogin.yaml",
        "query": "Syslog\n| where SyslogMessage has \"purity.alert\" and SyslogMessage has \"invalid username or password\"\n| extend Message = SyslogMessage\n| extend ParsedLog = extract_all(@\"((?P<process>.*?)\\[(?P<processid>.*?)\\][\\s\\S]*?Array name:\\s*'(?P<arrayname>\\S+)'[\\s\\S]*?Controller:\\s*'?(?P<controller>[^']+)'?[\\s\\S]*Interface:\\s*'(?P<interface>\\S+)'.*?User:\\s'(?P<login>.*?)'\\sLocation: '(?P<location>[^']+)'\\sSublocation: '(?P<sublocation>[^']+)\\s*(?P<part2log>[\\s\\S]*))\", dynamic(['process', 'processid', 'arrayname', 'controller', 'interface','login', 'location', 'sublocation', 'part2log']), Message)\n| mv-expand ParsedLog\n| extend ResidueLog = tostring(ParsedLog[8])\n| extend Rlog = extract_all(@\"[\\s\\S]*Action:\\s'(?P<action>[^']+)'[\\s\\S]*Method:\\s'(?P<method>[^']+)'[\\s\\S]*Result:\\s(?P<result>[^']+)[\\s\\S]*Description:\\s'(?P<description>[^']*)'\", dynamic(['action', 'method', 'result', 'description']), ResidueLog)\n| mv-expand Rlog\n| extend PureLogType = ParsedLog[0], PureProcessID = ParsedLog[1], PureArrayName = ParsedLog[2], PureController = ParsedLog[3], PureInterface = ParsedLog[4], PureLogin = ParsedLog [5], PureLocation = ParsedLog [6], PureSublocation = ParsedLog [7], PureAction = Rlog [0], PureMethod = Rlog [1], PureResult = Rlog [2], PureDescription = Rlog [3]\n| project-away ResidueLog, Rlog, ParsedLog\n| summarize count() by tostring(PureLogin), tostring(PureArrayName), HostIP\n| where count_ >= 10",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1212"
        ],
        "templateVersion": "1.0.0"
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}