Pathlock TDnR - Critical File Integrity Changes | Microsoft Sentinel Analytic Rules

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Id	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c24
Rulename	Pathlock TDnR - Critical File Integrity Changes
Description	Detects changes to checksums of critical SAP files, forwarded by Pathlock Threat Detection and Response. File integrity violations may indicate malware installation, unauthorized patching, or tampering with SAP executables and configuration files.
Severity	High
Tactics	DefenseEvasion Persistence
Techniques	T1562 T1036
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_FILE_CHECKSUM.yaml
Version	1.0.0
Arm template	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c24.json

KQL

Pathlock_TDnR_CL
| where DataSource == "FILE_CHECKSUM"
| 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:
  createIncident: true
  groupingConfiguration:
    groupByEntities: []
    enabled: true
    matchingMethod: AnyAlert
    groupByCustomDetails: []
    reopenClosedIncident: false
    lookbackDuration: 5h
    groupByAlertDetails: []
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: Bname
    identifier: Name
- entityType: Host
  fieldMappings:
  - columnName: Hostname
    identifier: HostName
- entityType: IP
  fieldMappings:
  - columnName: SrcIp
    identifier: Address
query: |
  Pathlock_TDnR_CL
  | where DataSource == "FILE_CHECKSUM"
  | project TimeGenerated, Sysid, DataSource, Eventid, Instance, Hostname, Bname,
            Tcode, Report, Area, Subid, SrcIp, DestIp, AffectedUser, LogLine,
            MsgType, MsgId, MsgNo, MessageV1, MessageV2, MessageV3, MessageV4, CentralTs
suppressionEnabled: false
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c24
queryFrequency: 1h
status: Available
suppressionDuration: 5h
version: 1.0.0
severity: High
relevantTechniques:
- T1562
- T1036
name: Pathlock TDnR - Critical File Integrity Changes
kind: Scheduled
tactics:
- DefenseEvasion
- Persistence
requiredDataConnectors:
- dataTypes:
  - Pathlock_TDnR_CL
  connectorId: Pathlock_TDnR
description: Detects changes to checksums of critical SAP files, forwarded by Pathlock Threat Detection and Response. File integrity violations may indicate malware installation, unauthorized patching, or tampering with SAP executables and configuration files.
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic%20Rules/Pathlock_TDnR_FILE_CHECKSUM.yaml
triggerOperator: gt
triggerThreshold: 0
queryPeriod: 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/2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c24')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c24')]",
      "properties": {
        "alertRuleTemplateName": "2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c24",
        "customDetails": null,
        "description": "Detects changes to checksums of critical SAP files, forwarded by Pathlock Threat Detection and Response. File integrity violations may indicate malware installation, unauthorized patching, or tampering with SAP executables and configuration files.",
        "displayName": "Pathlock TDnR - Critical File Integrity Changes",
        "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_FILE_CHECKSUM.yaml",
        "query": "Pathlock_TDnR_CL\n| where DataSource == \"FILE_CHECKSUM\"\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": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion",
          "Persistence"
        ],
        "techniques": [
          "T1036",
          "T1562"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}