Pathlock TDnR - STRUST PSE Certificate Changes

Back


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

entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: Bname
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: Hostname
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SrcIp
tactics:
- CredentialAccess
- DefenseEvasion
suppressionEnabled: false
suppressionDuration: 5h
requiredDataConnectors:
- dataTypes:
  - Pathlock_TDnR_CL
  connectorId: Pathlock_TDnR
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    groupByAlertDetails: []
    lookbackDuration: 5h
    groupByEntities: []
    groupByCustomDetails: []
    enabled: true
    matchingMethod: AnyAlert
  createIncident: true
id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c42
severity: High
eventGroupingSettings:
  aggregationKind: SingleAlert
status: Available
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  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic Rules/Pathlock_TDnR_PSE_CHANGES.yaml
kind: Scheduled
queryPeriod: 1h
version: 1.0.0
name: Pathlock TDnR - STRUST PSE Certificate Changes
queryFrequency: 1h
triggerThreshold: 0
relevantTechniques:
- T1552
- T1553
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.
triggerOperator: gt

ARM