BTP - Trust and authorization Identity Provider monitor

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Id	62357c23-ecdc-4edc-9349-8338063af1ef
Rulename	BTP - Trust and authorization Identity Provider monitor
Description	Identifies CRUD operations on Identity Provider settings within a sub account.
Severity	Medium
Tactics	CredentialAccess PrivilegeEscalation
Techniques	T1606 T1556 T1134
Required data connectors	SAPBTPAuditEvents
Kind	Scheduled
Query frequency	15m
Query period	15m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP BTP/Analytic Rules/BTP - Trust and authorization Identity Provider monitor.yaml
Version	3.0.5
Arm template	62357c23-ecdc-4edc-9349-8338063af1ef.json

KQL

SAPBTPAuditLog_CL
| where isnotnull(Message.object)
| extend Object = Message.object, Attributes = Message.attributes
| where Object.type == "IdentityProvider"
| extend CrudType = tostring(parse_json(tostring(Object.id)).crudType)
| mv-expand Attributes
| extend MessageText = case(
                           CrudType == "CREATE",
                           "An identity provider was created",
                           CrudType == "UPDATE",
                           "An identity provider was updated",
                           CrudType == "DELETE",
                           "An identity provider was deleted",
                           "Unclassified CRUD operation encountered"
                       )
| extend NewAttributes = parse_json(replace_regex(tostring(Attributes.new), "\\r", ""))
| extend OldAttributes = parse_json(replace_regex(tostring(Attributes.old), "\\r", ""))
| extend IdentityProviderName = case(
                                    CrudType == "CREATE" or CrudType == "UPDATE",
                                    NewAttributes.name,
                                    CrudType == "DELETE",
                                    OldAttributes.name,
                                    "Unknown"
                                )
| project
    UpdatedOn,
    UserName,
    MessageText,
    IdentityProviderName,
    Tenant,
    SpaceId,
    CloudApp = "SAP BTP"
| extend AccountName = split(UserName, "@")[0], UPNSuffix = split(UserName, "@")[1]

YAML

alertDetailsOverride:
  alertDescriptionFormat: '{{MessageText}} by {{UserName}}. Identity provider name: {{IdentityProviderName}}'
  alertDisplayNameFormat: 'SAP BTP: {{MessageText}}'
description: Identifies CRUD operations on Identity Provider settings within a sub account.
kind: Scheduled
tactics:
- CredentialAccess
- PrivilegeEscalation
requiredDataConnectors:
- connectorId: SAPBTPAuditEvents
  dataTypes:
  - SAPBTPAuditLog_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SAP BTP/Analytic Rules/BTP - Trust and authorization Identity Provider monitor.yaml
severity: Medium
name: BTP - Trust and authorization Identity Provider monitor
triggerThreshold: 0
queryPeriod: 15m
query: |
  SAPBTPAuditLog_CL
  | where isnotnull(Message.object)
  | extend Object = Message.object, Attributes = Message.attributes
  | where Object.type == "IdentityProvider"
  | extend CrudType = tostring(parse_json(tostring(Object.id)).crudType)
  | mv-expand Attributes
  | extend MessageText = case(
                             CrudType == "CREATE",
                             "An identity provider was created",
                             CrudType == "UPDATE",
                             "An identity provider was updated",
                             CrudType == "DELETE",
                             "An identity provider was deleted",
                             "Unclassified CRUD operation encountered"
                         )
  | extend NewAttributes = parse_json(replace_regex(tostring(Attributes.new), "\\r", ""))
  | extend OldAttributes = parse_json(replace_regex(tostring(Attributes.old), "\\r", ""))
  | extend IdentityProviderName = case(
                                      CrudType == "CREATE" or CrudType == "UPDATE",
                                      NewAttributes.name,
                                      CrudType == "DELETE",
                                      OldAttributes.name,
                                      "Unknown"
                                  )
  | project
      UpdatedOn,
      UserName,
      MessageText,
      IdentityProviderName,
      Tenant,
      SpaceId,
      CloudApp = "SAP BTP"
  | extend AccountName = split(UserName, "@")[0], UPNSuffix = split(UserName, "@")[1]  
relevantTechniques:
- T1606
- T1556
- T1134
id: 62357c23-ecdc-4edc-9349-8338063af1ef
queryFrequency: 15m
status: Available
version: 3.0.5
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: SingleAlert
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AccountName
    identifier: Name
  - columnName: UPNSuffix
    identifier: UPNSuffix
- entityType: CloudApplication
  fieldMappings:
  - columnName: CloudApp
    identifier: Name

ARM