SAP ETD - Synch alerts

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Id	7a830484-e349-4527-85f6-7850c468c238
Rulename	SAP ETD - Synch alerts
Description	Synch alerts coming in from SAP Enterprise Threat Detection into Microsoft Sentinel (one way)
Severity	Medium
Required data connectors	SAPETDAlerts
Kind	Scheduled
Query frequency	1h
Query period	2d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP ETD Cloud/Analytic Rules/SAPETD-SynchAlerts.yaml
Version	1.0.3
Arm template	7a830484-e349-4527-85f6-7850c468c238.json

KQL

let minThreshold= 1;
let minScore= 50;
let lookBack= 7d;
let regex_sid = @"^([A-Z0-9]{3})/";
let regex_client = @'\/(.{3})$';
SAPETDAlerts_CL
| mv-expand NormalizedTriggeringEvents
| summarize arg_max(TimeGenerated, *) by AlertId
| where Threshold >= minThreshold and Score >= minScore
| extend
  SystemId= extract(regex_sid, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
  ClienId= extract(regex_client, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
  Host= NormalizedTriggeringEvents.NetworkHostnameInitiator,
  Instance= NormalizedTriggeringEvents.NetworkHostnameActor,
  User= NormalizedTriggeringEvents.UserAccountActing,
  IP= NormalizedTriggeringEvents.NetworkIPAddressInitiator;

YAML

kind: Scheduled
requiredDataConnectors:
- connectorId: SAPETDAlerts
  dataTypes:
  - SAPETDAlerts_CL
relevantTechniques: []
entityMappings:
- entityType: CloudApplication
  fieldMappings:
  - identifier: Name
    columnName: SystemId
  - identifier: AppId
    columnName: ClienId
  - identifier: InstanceName
    columnName: Instance
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: Host
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IP
query: |
  let minThreshold= 1;
  let minScore= 50;
  let lookBack= 7d;
  let regex_sid = @"^([A-Z0-9]{3})/";
  let regex_client = @'\/(.{3})$';
  SAPETDAlerts_CL
  | mv-expand NormalizedTriggeringEvents
  | summarize arg_max(TimeGenerated, *) by AlertId
  | where Threshold >= minThreshold and Score >= minScore
  | extend
    SystemId= extract(regex_sid, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
    ClienId= extract(regex_client, 1, tostring(NormalizedTriggeringEvents.SystemIdActor)),
    Host= NormalizedTriggeringEvents.NetworkHostnameInitiator,
    Instance= NormalizedTriggeringEvents.NetworkHostnameActor,
    User= NormalizedTriggeringEvents.UserAccountActing,
    IP= NormalizedTriggeringEvents.NetworkIPAddressInitiator;  
triggerThreshold: 0
customDetails:
  SAP_User: User
  ETD_AlertNumber: AlertId
alertDetailsOverride:
  alertDisplayNameFormat: 'SAP ETD - {{PatternName}} '
  alertDescriptionFormat: '{{PatternDescription}}'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP ETD Cloud/Analytic Rules/SAPETD-SynchAlerts.yaml
queryPeriod: 2d
tactics: []
name: SAP ETD - Synch alerts
status: Available
eventGroupingSettings:
  aggregationKind: AlertPerResult
description: Synch alerts coming in from SAP Enterprise Threat Detection into Microsoft Sentinel (one way)
id: 7a830484-e349-4527-85f6-7850c468c238
version: 1.0.3
triggerOperator: gt
queryFrequency: 1h
severity: Medium

ARM