Pathlock TDnR - STRUST PSE Certificate Changes

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Id	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c42
Rulename	Pathlock TDnR - STRUST PSE Certificate Changes
Description	Detects changes to STRUST PSE (Personal Security Environment) certificate files in SAP, forwarded by Pathlock Threat Detection and Response. PSE modifications may indicate certificate tampering, introduction of rogue trusted certificates, or preparation for man-in-the-middle attacks against SAP communication channels.
Severity	High
Tactics	CredentialAccess DefenseEvasion
Techniques	T1552 T1553
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_PSE_CHANGES.yaml
Version	1.0.0
Arm template	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c42.json

KQL

Pathlock_TDnR_CL
| where DataSource == "PSE_CHANGES"
| 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:
- CredentialAccess
- DefenseEvasion
status: Available
relevantTechniques:
- T1552
- T1553
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 == "PSE_CHANGES"
  | 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 STRUST PSE (Personal Security Environment) certificate files in SAP, forwarded by Pathlock Threat Detection and Response. PSE modifications may indicate certificate tampering, introduction of rogue trusted certificates, or preparation for man-in-the-middle attacks against SAP communication channels.
id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c42
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic Rules/Pathlock_TDnR_PSE_CHANGES.yaml
name: Pathlock TDnR - STRUST PSE Certificate Changes

ARM