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

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

ARM