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

description: Alerts from Tanium Threat Response (THR) that can be acted upon by Microsoft Sentinel Playbook
queryPeriod: 6m
severity: High
triggerOperator: gt
kind: Scheduled
triggerThreshold: 0
relevantTechniques: []
version: 1.1.0
requiredDataConnectors: []
id: dd9aa0ff-7ac1-4448-879c-e1a18d5890b4
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tanium/Analytic Rules/TaniumThreatResponseAlerts.yaml
queryFrequency: 5m
entityMappings:
- fieldMappings:
  - columnName: TaniumUrl
    identifier: Url
  entityType: URL
- fieldMappings:
  - columnName: Computer_IP_s
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: Computer_Name_s
    identifier: HostName
  entityType: Host
- fieldMappings:
  - columnName: TaniumTHRLabel
    identifier: Name
  entityType: Malware
tactics: []
name: Tanium Threat Response Alerts
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"
    }
  ]
}