SAP ETD - Synch alerts

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Id	7a830484-e349-4527-85f6-7850c468c238
Rulename	SAP ETD - Synch alerts
Description	Synch alerts coming in from SAP Enterprise Threat Detection into Microsoft Sentinel (one way)
Severity	Medium
Required data connectors	SAPETDAlerts
Kind	Scheduled
Query frequency	1h
Query period	2d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP ETD Cloud/Analytic Rules/SAPETD-SynchAlerts.yaml
Version	1.0.2
Arm template	7a830484-e349-4527-85f6-7850c468c238.json

KQL

let minThreshold= 1;
let minScore= 50;
let lookBack= 7d;
let regex_sid = @"^([A-Z0-9]{3})/";
let regex_client = @'\/(.{3})$';
SAPETDAlerts_CL
| mv-expand NormalizedTriggeringEvents
| summarize arg_max(TimeGenerated, *) by AlertId
| where Threshold >= minThreshold and Score >= minScore
| extend
  SystemId= extract(regex_sid, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
  ClienId= extract(regex_client, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
  Host= NormalizedTriggeringEvents.NetworkHostnameInitiator,
  Instance= NormalizedTriggeringEvents.NetworkHostnameActor,
  User= NormalizedTriggeringEvents.UserAccountActing,
  IP= NormalizedTriggeringEvents.NetworkIPAddressInitiator;

YAML

id: 7a830484-e349-4527-85f6-7850c468c238
requiredDataConnectors:
- dataTypes:
  - SAPETDAlerts_CL
  connectorId: SAPETDAlerts
triggerThreshold: 0
customDetails:
  SAP_User: User
  ETD_AlertNumber: AlertId
queryPeriod: 2d
alertDetailsOverride:
  alertDisplayNameFormat: 'SAP ETD - {{PatternName}} '
  alertDescriptionFormat: Alert synched from SAP Enterprise Threat Detection, cloud edition into Microsoft Sentinel (one way). {{PatternDescription}}
query: |
  let minThreshold= 1;
  let minScore= 50;
  let lookBack= 7d;
  let regex_sid = @"^([A-Z0-9]{3})/";
  let regex_client = @'\/(.{3})$';
  SAPETDAlerts_CL
  | mv-expand NormalizedTriggeringEvents
  | summarize arg_max(TimeGenerated, *) by AlertId
  | where Threshold >= minThreshold and Score >= minScore
  | extend
    SystemId= extract(regex_sid, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
    ClienId= extract(regex_client, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
    Host= NormalizedTriggeringEvents.NetworkHostnameInitiator,
    Instance= NormalizedTriggeringEvents.NetworkHostnameActor,
    User= NormalizedTriggeringEvents.UserAccountActing,
    IP= NormalizedTriggeringEvents.NetworkIPAddressInitiator;  
name: SAP ETD - Synch alerts
entityMappings:
- entityType: CloudApplication
  fieldMappings:
  - columnName: SystemId
    identifier: Name
  - columnName: ClienId
    identifier: AppId
  - columnName: Instance
    identifier: InstanceName
- entityType: Host
  fieldMappings:
  - columnName: Host
    identifier: FullName
- entityType: IP
  fieldMappings:
  - columnName: IP
    identifier: Address
description: Synch alerts coming in from SAP Enterprise Threat Detection into Microsoft Sentinel (one way)
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP ETD Cloud/Analytic Rules/SAPETD-SynchAlerts.yaml
tactics: []
triggerOperator: gt
version: 1.0.2
relevantTechniques: []
eventGroupingSettings:
  aggregationKind: AlertPerResult
kind: Scheduled
status: Available
severity: Medium
queryFrequency: 1h

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/7a830484-e349-4527-85f6-7850c468c238')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/7a830484-e349-4527-85f6-7850c468c238')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Alert synched from SAP Enterprise Threat Detection, cloud edition into Microsoft Sentinel (one way). {{PatternDescription}}",
          "alertDisplayNameFormat": "SAP ETD - {{PatternName}} "
        },
        "alertRuleTemplateName": "7a830484-e349-4527-85f6-7850c468c238",
        "customDetails": {
          "ETD_AlertNumber": "AlertId",
          "SAP_User": "User"
        },
        "description": "Synch alerts coming in from SAP Enterprise Threat Detection into Microsoft Sentinel (one way)",
        "displayName": "SAP ETD - Synch alerts",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "CloudApplication",
            "fieldMappings": [
              {
                "columnName": "SystemId",
                "identifier": "Name"
              },
              {
                "columnName": "ClienId",
                "identifier": "AppId"
              },
              {
                "columnName": "Instance",
                "identifier": "InstanceName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "Host",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IP",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP ETD Cloud/Analytic Rules/SAPETD-SynchAlerts.yaml",
        "query": "let minThreshold= 1;\nlet minScore= 50;\nlet lookBack= 7d;\nlet regex_sid = @\"^([A-Z0-9]{3})/\";\nlet regex_client = @'\\/(.{3})$';\nSAPETDAlerts_CL\n| mv-expand NormalizedTriggeringEvents\n| summarize arg_max(TimeGenerated, *) by AlertId\n| where Threshold >= minThreshold and Score >= minScore\n| extend\n  SystemId= extract(regex_sid, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),\n  ClienId= extract(regex_client, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),\n  Host= NormalizedTriggeringEvents.NetworkHostnameInitiator,\n  Instance= NormalizedTriggeringEvents.NetworkHostnameActor,\n  User= NormalizedTriggeringEvents.UserAccountActing,\n  IP= NormalizedTriggeringEvents.NetworkIPAddressInitiator;\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P2D",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}