Pathlock TDnR - RFC Connection Changes

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Id	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c45
Rulename	Pathlock TDnR - RFC Connection Changes
Description	Detects changes to RFC (Remote Function Call) connection definitions in SAP (transaction SM59), forwarded by Pathlock Threat Detection and Response. Unauthorized RFC changes may introduce backdoor connections, redirect communications to malicious systems, or enable lateral movement across SAP landscapes.
Severity	High
Tactics	LateralMovement Persistence
Techniques	T1021 T1098
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 Rules/Pathlock_TDnR_RFC_DESTINATIONS.yaml
Version	1.0.0
Arm template	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c45.json

KQL

Pathlock_TDnR_CL
| where DataSource == "RFC_DESTINATIONS"
| 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

version: 1.0.0
queryPeriod: 1h
suppressionDuration: 5h
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: Bname
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: Hostname
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SrcIp
eventGroupingSettings:
  aggregationKind: SingleAlert
tactics:
- LateralMovement
- Persistence
status: Available
relevantTechniques:
- T1021
- T1098
triggerOperator: gt
suppressionEnabled: false
requiredDataConnectors:
- connectorId: Pathlock_TDnR
  dataTypes:
  - Pathlock_TDnR_CL
queryFrequency: 1h
severity: High
kind: Scheduled
incidentConfiguration:
  groupingConfiguration:
    groupByEntities: []
    enabled: true
    groupByAlertDetails: []
    groupByCustomDetails: []
    reopenClosedIncident: false
    matchingMethod: AnyAlert
    lookbackDuration: 5h
  createIncident: true
triggerThreshold: 0
query: |
  Pathlock_TDnR_CL
  | where DataSource == "RFC_DESTINATIONS"
  | project TimeGenerated, Sysid, DataSource, Eventid, Instance, Hostname, Bname,
            Tcode, Report, Area, Subid, SrcIp, DestIp, AffectedUser, LogLine,
            MsgType, MsgId, MsgNo, MessageV1, MessageV2, MessageV3, MessageV4, CentralTs  
description: Detects changes to RFC (Remote Function Call) connection definitions in SAP (transaction SM59), forwarded by Pathlock Threat Detection and Response. Unauthorized RFC changes may introduce backdoor connections, redirect communications to malicious systems, or enable lateral movement across SAP landscapes.
id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c45
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic Rules/Pathlock_TDnR_RFC_DESTINATIONS.yaml
name: Pathlock TDnR - RFC Connection Changes

ARM