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Semperis DSP RBAC Changes

Description

'Alerts when there are RBAC changes in the DSP system.'
Rule type
Scheduled
Version
2.0.7
Declared status
Available
Query frequency
30m
Query period
30m
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

SecurityEvent
| where EventSourceName == 'Semperis-Operation-Log' and EventID == 20012 
| order by TimeGenerated desc
| extend p1Xml = parse_xml(EventData).DataItem.EventData.Data
| mv-expand bagexpansion=array p1Xml
| evaluate bag_unpack(p1Xml)
| extend Name=column_ifexists('@Name', ''), Value=column_ifexists('#text', '')
| evaluate pivot(Name, any(Value), TimeGenerated, Computer, Level, EventLevelName, EventID, Type, _ResourceId)
| extend det = column_ifexists('details', '')
| parse det with "Occured at (UTC): " OccurredAt "Session ID: " SessionID "Trustee Name: " TrusteeName "Correlation ID: " CorrelationID "Source: " Source "WebSite Target: " WebSiteTarget "Product: " Product "Component: " Component "AD Information: " ADInformation "Object GUID: " ObjectGUID "Attribute: " Attribute "Distinguished Name: " DistinguishedName "Additional Information: "AdditionalInformation "Operation Detail: " OperationDetail "operationName: " operationName "trustee: " trustee "personas: " personas "Status: " status "Granted: " Granted "Result: " Result
| extend _AccessGranted = iif(operationName contains "CreateRbacIdentity", "Added", "Removed")
| extend _Identity = iif(operationName contains "CreateRbacIdentity", trustee, tostring(substring(trustee, 1, strlen(trustee))))
| extend _Identity = iif(operationName contains "CreateRbacIdentity", _Identity, replace_string(_Identity, "'", ""))
| extend add_personas = replace_string(replace_string(replace_string(personas, "{ Name = ", ""), " }", ""), ";", ",")
| extend remove_personas = replace_string(personas, ";", ",")
| extend grid_personas = iif(operationName contains "CreateRbacIdentity", add_personas, remove_personas)
| extend date_to_sort = format_datetime(TimeGenerated, "yyyy-mm-dd   HH:mm:ss")
| order by date_to_sort desc
| extend NTDomain = tostring(split(TrusteeName, '\\', 0)[0]), LoginUser = tostring(split(TrusteeName, '\\', 1)[0])
| extend HostName = tostring(split(Computer, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Computer, '.'), 1, -1), '.'))

Declared entities

AccountHost

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
e5edf3f3-de53-45e6-b0d7-1ce1c048df4a
Additional source files 2Solutions/Semperis Directory Services Protector/Analytic Rules/Semperis_DSP_RBAC_Changes.yamlsource ↗Solutions/Semperis Directory Services Protector/Data/Solution_Semperis.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.