Tanium Threat Response Alerts

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Id	dd9aa0ff-7ac1-4448-879c-e1a18d5890b4
Rulename	Tanium Threat Response Alerts
Description	Alerts from Tanium Threat Response (THR) that can be acted upon by Microsoft Sentinel Playbook
Severity	High
Kind	Scheduled
Query frequency	5m
Query period	6m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tanium/Analytic Rules/TaniumThreatResponseAlerts.yaml
Version	1.1.0
Arm template	dd9aa0ff-7ac1-4448-879c-e1a18d5890b4.json

KQL

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"

YAML

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))  };
  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"  
description: Alerts from Tanium Threat Response (THR) that can be acted upon by Microsoft Sentinel Playbook
severity: High
requiredDataConnectors: []
name: Tanium Threat Response Alerts
triggerThreshold: 0
tactics: []
version: 1.1.0
relevantTechniques: []
triggerOperator: gt
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
id: dd9aa0ff-7ac1-4448-879c-e1a18d5890b4
kind: Scheduled
queryFrequency: 5m
queryPeriod: 6m

ARM

{
  "$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"
    }
  ]
}