Stale IAAS policy attachment to role

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Id	ccdf3f87-7890-4549-9d0f-8f43c1d2751d
Rulename	Stale IAAS policy attachment to role
Description	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.
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/Stale_IAAS_policy_attachment_to_role.yaml
Version	1.0.3
Arm template	ccdf3f87-7890-4549-9d0f-8f43c1d2751d.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 "Stale IAAS policy attachment to role"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

queryFrequency: 30m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
triggerOperator: gt
status: Available
suppressionDuration: 5h
suppressionEnabled: false
relevantTechniques:
- T1098
name: Stale IAAS policy attachment to role
eventGroupingSettings:
  aggregationKind: SingleAlert
queryPeriod: 30m
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 "Stale IAAS policy attachment to role"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
customDetails:
  EventDescription: Description
  EventRecommendation: Recommendation
  EventName: Policy
  ReferencedURL: URL
  AuthomizeEventID: EventID
version: 1.0.3
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: true
    groupByCustomDetails: []
    reopenClosedIncident: false
    groupByAlertDetails: []
    lookbackDuration: 5h
    matchingMethod: AnyAlert
    groupByEntities: []
kind: Scheduled
tactics:
- PrivilegeEscalation
- Persistence
description: 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.
alertDetailsOverride:
  alertnameFormat: Alert from Authomize - Stale IAAS policy attachment to role
  alertSeverity: Severity
  alertTactics: Tactics
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertDescriptionFormat: Stale IAAS policy attachment to role. 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.
id: ccdf3f87-7890-4549-9d0f-8f43c1d2751d
entityMappings:
- fieldMappings:
  - columnName: URL
    identifier: Url
  entityType: URL
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
severity: Informational

ARM