Tanium Threat Response Alerts

let cap = (s:string) { strcat(toupper(substring(s,0,1)), substring(s,1))  };
TaniumThreatResponse_CL
| extend TaniumUrl = pack("computer_name", Computer_Name_s, "alert_guid", Alert_Id_g, "ip_address", Computer_IP_s, "platform", Match_Details_finding_system_info_platform_s)
| extend TaniumTHRLabel = strcat(cap(Intel_Type_s)," - ", cap(Intel_Name_s), " - ", cap(Match_Details_match_type_s))
| where Computer_IP_s !contains "N/A"

relevantTechniques: []
name: Tanium Threat Response Alerts
requiredDataConnectors: []
entityMappings:
- fieldMappings:
  - identifier: Url
    columnName: TaniumUrl
  entityType: URL
- fieldMappings:
  - identifier: Address
    columnName: Computer_IP_s
  entityType: IP
- fieldMappings:
  - identifier: HostName
    columnName: Computer_Name_s
  entityType: Host
- fieldMappings:
  - identifier: Name
    columnName: TaniumTHRLabel
  entityType: Malware
triggerThreshold: 0
id: dd9aa0ff-7ac1-4448-879c-e1a18d5890b4
tactics: []
version: 1.1.0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tanium/Analytic Rules/TaniumThreatResponseAlerts.yaml
queryPeriod: 6m
kind: Scheduled
queryFrequency: 5m
severity: High
description: Alerts from Tanium Threat Response (THR) that can be acted upon by Microsoft Sentinel Playbook
query: |
  let cap = (s:string) { strcat(toupper(substring(s,0,1)), substring(s,1))  };
  TaniumThreatResponse_CL
  | extend TaniumUrl = pack("computer_name", Computer_Name_s, "alert_guid", Alert_Id_g, "ip_address", Computer_IP_s, "platform", Match_Details_finding_system_info_platform_s)
  | extend TaniumTHRLabel = strcat(cap(Intel_Type_s)," - ", cap(Intel_Name_s), " - ", cap(Match_Details_match_type_s))
  | where Computer_IP_s !contains "N/A"  
triggerOperator: gt

{
  "$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/dd9aa0ff-7ac1-4448-879c-e1a18d5890b4')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/dd9aa0ff-7ac1-4448-879c-e1a18d5890b4')]",
      "properties": {
        "alertRuleTemplateName": "dd9aa0ff-7ac1-4448-879c-e1a18d5890b4",
        "customDetails": null,
        "description": "Alerts from Tanium Threat Response (THR) that can be acted upon by Microsoft Sentinel Playbook",
        "displayName": "Tanium Threat Response Alerts",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "TaniumUrl",
                "identifier": "Url"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "Computer_IP_s",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "Computer_Name_s",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "Malware",
            "fieldMappings": [
              {
                "columnName": "TaniumTHRLabel",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tanium/Analytic Rules/TaniumThreatResponseAlerts.yaml",
        "query": "let cap = (s:string) { strcat(toupper(substring(s,0,1)), substring(s,1))  };\nTaniumThreatResponse_CL\n| extend TaniumUrl = pack(\"computer_name\", Computer_Name_s, \"alert_guid\", Alert_Id_g, \"ip_address\", Computer_IP_s, \"platform\", Match_Details_finding_system_info_platform_s)\n| extend TaniumTHRLabel = strcat(cap(Intel_Type_s),\" - \", cap(Intel_Name_s), \" - \", cap(Match_Details_match_type_s))\n| where Computer_IP_s !contains \"N/A\"\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT6M",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.1.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}