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

incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 5h
    groupByEntities: []
    groupByAlertDetails: []
    groupByCustomDetails: []
    matchingMethod: AnyAlert
    reopenClosedIncident: false
    enabled: true
description: The rule detects AWS policies that are not attached to any identities, meaning they can be deleted.
tactics:
- PrivilegeEscalation
- Persistence
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  
eventGroupingSettings:
  aggregationKind: SingleAlert
severity: Informational
suppressionDuration: 5h
queryPeriod: 30m
id: 57bae0c4-50b7-4552-9de9-19dfecddbace
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/IaaS_policy_not_attached_to_any_identity.yaml
triggerOperator: gt
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
triggerThreshold: 0
name: IaaS policy not attached to any identity
customDetails:
  EventRecommendation: Recommendation
  AuthomizeEventID: EventID
  EventName: Policy
  ReferencedURL: URL
  EventDescription: Description
kind: Scheduled
alertDetailsOverride:
  alertSeverity: Severity
  alertTactics: Tactics
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertnameFormat: Alert from Authomize - IaaS policy not attached to any identity
  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.
status: Available
suppressionEnabled: false
relevantTechniques:
- T1098
entityMappings:
- fieldMappings:
  - columnName: URL
    identifier: Url
  entityType: URL
queryFrequency: 30m

ARM