Pathlock TDnR - User Master Data Changes

Status: available
Severity: high
Time window: 1h
Source: github.com/Azure/Azure-Sentinel

Detects changes to SAP user master data (SU01), forwarded by Pathlock Threat Detection and Response. User master data modifications include password changes, account locking/unlocking, validity date changes, and group assignments - any of which can be used to create persistent unauthorized access or facilitate account takeover.

MITRE ATT&CK coverage

Tactic	Techniques
Persistence	`T1098` Account Manipulation
Privilege Escalation	`T1098` Account Manipulation `T1548` Abuse Elevation Control Mechanism

Rule body

id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c74
name: Pathlock TDnR - User Master Data Changes
kind: Scheduled
description: >-
  Detects changes to SAP user master data (SU01), forwarded by Pathlock Threat Detection and Response.
  User master data modifications include password changes, account locking/unlocking, validity date
  changes, and group assignments - any of which can be used to create persistent unauthorized access
  or facilitate account takeover.
severity: High
status: Available
requiredDataConnectors:
  - connectorId: Pathlock_TDnR
    dataTypes:
      - Pathlock_TDnR_CL
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Persistence
  - PrivilegeEscalation
relevantTechniques:
  - T1098
  - T1548
query: |
  Pathlock_TDnR_CL
  | where DataSource == "USER_MASTER_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
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
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: 5h
    matchingMethod: AnyAlert
    groupByEntities: []
    groupByAlertDetails: []
    groupByCustomDetails: []
suppressionDuration: 5h
suppressionEnabled: false
version: 1.0.0

Stages and Predicates

Stage 1: `source`

Pathlock_TDnR_CL

Stage 2: `where`

| where DataSource == "USER_MASTER_CHANGES"

Stage 3: `project`

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

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`DataSource`	eq	`USER_MASTER_CHANGES`	`field:"DataSource" kind:eq value:"USER_MASTER_CHANGES"`

Output fields

These fields are emitted when the rule matches.

Field	Source
`AffectedUser`	`project`
`Area`	`project`
`Bname`	`project`
`CentralTs`	`project`
`DataSource`	`project`
`DestIp`	`project`
`Eventid`	`project`
`Hostname`	`project`
`Instance`	`project`
`LogLine`	`project`
`MessageV1`	`project`
`MessageV2`	`project`
`MessageV3`	`project`
`MessageV4`	`project`
`MsgId`	`project`
`MsgNo`	`project`
`MsgType`	`project`
`Report`	`project`
`SrcIp`	`project`
`Subid`	`project`
`Sysid`	`project`
`Tcode`	`project`
`TimeGenerated`	`project`