Pathlock TDnR - Kerberos Keytab Changes

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Id	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c12
Rulename	Pathlock TDnR - Kerberos Keytab Changes
Description	Detects changes to Kerberos keytab configuration in SAP, forwarded by Pathlock Threat Detection and Response. Modifications to Kerberos settings may indicate credential theft, SSO bypass attempts, or persistent access mechanisms leveraging Kerberos delegation.
Severity	High
Tactics	CredentialAccess Persistence
Techniques	T1558 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_CHANGEDOC_KERBEROS.yaml
Version	1.0.0
Arm template	2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c12.json

KQL

Pathlock_TDnR_CL
| where DataSource == "CHANGEDOC_KERBEROS"
| 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
- Persistence
status: Available
relevantTechniques:
- T1558
- 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 == "CHANGEDOC_KERBEROS"
  | 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 Kerberos keytab configuration in SAP, forwarded by Pathlock Threat Detection and Response. Modifications to Kerberos settings may indicate credential theft, SSO bypass attempts, or persistent access mechanisms leveraging Kerberos delegation.
id: 2a3b4c5d-6e7f-4a0b-8c1d-2e3f4a5b6c12
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Pathlock_TDnR/Analytic Rules/Pathlock_TDnR_CHANGEDOC_KERBEROS.yaml
name: Pathlock TDnR - Kerberos Keytab Changes

ARM