IaaS policy not attached to any identity

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Id	57bae0c4-50b7-4552-9de9-19dfecddbace
Rulename	IaaS policy not attached to any identity
Description	The rule detects AWS policies that are not attached to any identities, meaning they can be deleted.
Severity	Informational
Tactics	PrivilegeEscalation Persistence
Techniques	T1098
Required data connectors	Authomize
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/IaaS_policy_not_attached_to_any_identity.yaml
Version	1.0.3
Arm template	57bae0c4-50b7-4552-9de9-19dfecddbace.json

KQL

Authomize_v2_CL
| where ingestion_time() >= ago(30m)
| extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
| where Policy has "IaaS policy not attached to any identity"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

tactics:
- PrivilegeEscalation
- Persistence
triggerOperator: gt
requiredDataConnectors:
- connectorId: Authomize
  dataTypes:
  - Authomize_v2_CL
relevantTechniques:
- T1098
entityMappings:
- fieldMappings:
  - identifier: Url
    columnName: URL
  entityType: URL
suppressionDuration: 5h
id: 57bae0c4-50b7-4552-9de9-19dfecddbace
queryPeriod: 30m
name: IaaS policy not attached to any identity
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/IaaS_policy_not_attached_to_any_identity.yaml
queryFrequency: 30m
description: The rule detects AWS policies that are not attached to any identities, meaning they can be deleted.
customDetails:
  EventDescription: Description
  AuthomizeEventID: EventID
  EventRecommendation: Recommendation
  ReferencedURL: URL
  EventName: Policy
suppressionEnabled: false
version: 1.0.3
query: |-
  Authomize_v2_CL
  | where ingestion_time() >= ago(30m)
  | extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
  | where Policy has "IaaS policy not attached to any identity"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
incidentConfiguration:
  groupingConfiguration:
    groupByAlertDetails: []
    lookbackDuration: 5h
    matchingMethod: AnyAlert
    groupByEntities: []
    groupByCustomDetails: []
    reopenClosedIncident: false
    enabled: true
  createIncident: true
alertDetailsOverride:
  alertnameFormat: Alert from Authomize - IaaS policy not attached to any identity
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertDescriptionFormat: IaaS policy not attached to any identity. The rule detects 'IaaS policies' attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.
  alertTactics: Tactics
  alertSeverity: Severity
triggerThreshold: 0
severity: Informational
status: Available
eventGroupingSettings:
  aggregationKind: SingleAlert
kind: Scheduled

ARM