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

triggerOperator: gt
queryFrequency: 5m
description: Alerts from Tanium Threat Response (THR) that can be acted upon by Microsoft Sentinel Playbook
version: 1.1.0
kind: Scheduled
triggerThreshold: 0
requiredDataConnectors: []
queryPeriod: 6m
name: Tanium Threat Response Alerts
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tanium/Analytic Rules/TaniumThreatResponseAlerts.yaml
id: dd9aa0ff-7ac1-4448-879c-e1a18d5890b4
tactics: []
relevantTechniques: []
severity: High
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
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"

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-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",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.1.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}