HighPrivilegedRoleAssigned.yaml

id: fa2dbd7d-0db5-4b9e-91f8-8547e6059050
name: High Privileged Role assigned
version: 1.0.0
kind: Scheduled
description: A user was assigned a high privileged role
severity: Low
queryFrequency: 30m
queryPeriod: 30m
triggerOperator: gt
triggerThreshold: 0
tactics:
  - PrivilegeEscalation
query: |+
  let HighPrivRoles = dynamic(["Global Administrator","Company Administrator","Privileged Authentication Administrator","Privileged Role Administrator"]);
  AuditLogs
  | where OperationName == "Add member to role"
  | mv-expand TargetResources
  | mv-expand TargetResources.modifiedProperties
  | where TargetResources_modifiedProperties.displayName == "Role.DisplayName"
  | extend AddedToRole = replace_string(tostring(TargetResources_modifiedProperties.newValue),'"','')
  | where AddedToRole in~ (HighPrivRoles)
  | extend Actor = iff(isnotempty(InitiatedBy.user.userPrincipalName),InitiatedBy.user.userPrincipalName,InitiatedBy.app.servicePrincipalId)
  | extend TargetUsername = TargetResources.userPrincipalName
suppressionEnabled: false
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: false
    reopenClosedIncident: false
    lookbackDuration: 5h
    matchingMethod: AllEntities
    groupByEntities: []
    groupByAlertDetails: []
    groupByCustomDetails: []
eventGroupingSettings:
  aggregationKind: AlertPerResult
customDetails:
  AddedToRole: AddedToRole
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: Actor
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: TargetUsername
suppressionDuration: 5h