Stale AWS policy attachment to identity

Back


Id	766a3b1b-0d5b-4a8d-b0d6-7dd379e73567
Rulename	Stale AWS policy attachment to identity
Description	The policy detects ‘AWS policies’ attached to IAM users or roles that have not used it during the last X days. It is recommended to remove unused policies from identities to reduce risk.
Severity	Low
Tactics	InitialAccess
Techniques	T1078
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_AWS_policy_attachment_to_identity.yaml
Version	1.0.2
Arm template	766a3b1b-0d5b-4a8d-b0d6-7dd379e73567.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 AWS policy attachment to identity"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

entityMappings:
- fieldMappings:
  - columnName: URL
    identifier: Url
  entityType: URL
suppressionEnabled: false
severity: Low
name: Stale AWS policy attachment to identity
triggerThreshold: 0
incidentConfiguration:
  groupingConfiguration:
    groupByEntities: []
    groupByAlertDetails: []
    groupByCustomDetails: []
    lookbackDuration: 5h
    enabled: true
    matchingMethod: AnyAlert
    reopenClosedIncident: false
  createIncident: true
eventGroupingSettings:
  aggregationKind: SingleAlert
triggerOperator: gt
version: 1.0.2
id: 766a3b1b-0d5b-4a8d-b0d6-7dd379e73567
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_AWS_policy_attachment_to_identity.yaml
kind: Scheduled
status: Available
queryFrequency: 30m
relevantTechniques:
- T1078
description: The policy detects 'AWS policies' attached to IAM users or roles that have not used it during the last X days. It is recommended to remove unused policies from identities to reduce risk.
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 AWS policy attachment to identity"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
alertDetailsOverride:
  alertDynamicProperties:
  - value: URL
    alertProperty: AlertLink
  alertTactics: Tactics
  alertDescriptionFormat: Stale AWS policy attachment to identity. The policy detects 'AWS policies' attached to IAM users or roles that have not used it during the last X days. It is recommended to remove unused policies from identities to reduce risk.
  alertSeverity: Severity
  alertnameFormat: Alert from Authomize - Stale AWS policy attachment to identity
tactics:
- InitialAccess
suppressionDuration: 5h
queryPeriod: 30m
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
customDetails:
  ReferencedURL: URL
  EventDescription: Description
  EventName: Policy
  EventRecommendation: Recommendation
  AuthomizeEventID: EventID

ARM