Pathlock TDnR - Outbound SAP SMTP Email | Microsoft Sentinel Analytic Rules

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Id	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c39
Rulename	Pathlock TDnR - Outbound SAP SMTP Email
Description	Detects outbound SMTP email activity from SAP systems, forwarded by Pathlock Threat Detection and Response. Anomalous outbound email patterns may indicate data exfiltration, unauthorized use of SAP email functions to send sensitive business data outside the organization.
Severity	Medium
Tactics	Exfiltration
Techniques	T1048
Required data connectors	Pathlock_TDnR
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic%20Rules/Pathlock_TDnR_OUTBOUND_SMTP_MAIL.yaml
Version	1.0.0
Arm template	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c39.json

KQL

Pathlock_TDnR_CL
| where DataSource == "OUTBOUND_SMTP_MAIL"
| project TimeGenerated, Sysid, DataSource, Eventid, Instance, Hostname, Bname,
          Tcode, Report, Area, Subid, SrcIp, DestIp, AffectedUser, LogLine,
          MsgType, MsgId, MsgNo, MessageV1, MessageV2, MessageV3, MessageV4, CentralTs

YAML

incidentConfiguration:
  groupingConfiguration:
    groupByAlertDetails: []
    groupByCustomDetails: []
    lookbackDuration: 5h
    enabled: true
    reopenClosedIncident: false
    matchingMethod: AnyAlert
    groupByEntities: []
  createIncident: true
name: Pathlock TDnR - Outbound SAP SMTP Email
suppressionDuration: 5h
suppressionEnabled: false
triggerOperator: gt
kind: Scheduled
queryFrequency: 1h
description: Detects outbound SMTP email activity from SAP systems, forwarded by Pathlock Threat Detection and Response. Anomalous outbound email patterns may indicate data exfiltration, unauthorized use of SAP email functions to send sensitive business data outside the organization.
id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c39
triggerThreshold: 0
queryPeriod: 1h
query: |
  Pathlock_TDnR_CL
  | where DataSource == "OUTBOUND_SMTP_MAIL"
  | project TimeGenerated, Sysid, DataSource, Eventid, Instance, Hostname, Bname,
            Tcode, Report, Area, Subid, SrcIp, DestIp, AffectedUser, LogLine,
            MsgType, MsgId, MsgNo, MessageV1, MessageV2, MessageV3, MessageV4, CentralTs
version: 1.0.0
status: Available
eventGroupingSettings:
  aggregationKind: SingleAlert
severity: Medium
requiredDataConnectors:
- connectorId: Pathlock_TDnR
  dataTypes:
  - Pathlock_TDnR_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic%20Rules/Pathlock_TDnR_OUTBOUND_SMTP_MAIL.yaml
relevantTechniques:
- T1048
tactics:
- Exfiltration
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: Bname
  entityType: Account
- fieldMappings:
  - identifier: HostName
    columnName: Hostname
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: SrcIp
  entityType: IP

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/2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c39')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c39')]",
      "properties": {
        "alertRuleTemplateName": "2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c39",
        "customDetails": null,
        "description": "Detects outbound SMTP email activity from SAP systems, forwarded by Pathlock Threat Detection and Response. Anomalous outbound email patterns may indicate data exfiltration, unauthorized use of SAP email functions to send sensitive business data outside the organization.",
        "displayName": "Pathlock TDnR - Outbound SAP SMTP Email",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Bname",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "Hostname",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SrcIp",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT5H",
            "matchingMethod": "AnyAlert",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic%20Rules/Pathlock_TDnR_OUTBOUND_SMTP_MAIL.yaml",
        "query": "Pathlock_TDnR_CL\n| where DataSource == \"OUTBOUND_SMTP_MAIL\"\n| project TimeGenerated, Sysid, DataSource, Eventid, Instance, Hostname, Bname,\n          Tcode, Report, Area, Subid, SrcIp, DestIp, AffectedUser, LogLine,\n          MsgType, MsgId, MsgNo, MessageV1, MessageV2, MessageV3, MessageV4, CentralTs\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration"
        ],
        "techniques": [
          "T1048"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}