Access to AWS without MFA

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Id	48a9478b-440a-4330-b42c-94bd84dc904c
Rulename	Access to AWS without MFA
Description	This detects users with access to AWS (IAM or Federated via Okta) without enabled MFA. This is a default definition by Authomize and can be updated using the edit modal.
Severity	Medium
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/Access_to_AWS_without_MFA.yaml
Version	1.0.2
Arm template	48a9478b-440a-4330-b42c-94bd84dc904c.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 "Access to AWS without MFA"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

description: This detects users with access to AWS (IAM or Federated via Okta) without enabled MFA. This is a default definition by Authomize and can be updated using the edit modal.
version: 1.0.2
triggerThreshold: 0
tactics:
- InitialAccess
suppressionEnabled: false
suppressionDuration: 5h
queryPeriod: 30m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Access_to_AWS_without_MFA.yaml
triggerOperator: gt
status: Available
alertDetailsOverride:
  alertnameFormat: Alert from Authomize - Access to AWS without MFA
  alertSeverity: Severity
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertDescriptionFormat: |
        Refactor AWS policy based on activities in the last 60 days. This is a recommended update to IAM policy on AWS. Review the policy and apply it according to change control process. Authomize will have a recommended policy to be downloaded. See the URL for further details within the event details in your Authomize Tenant. 
  alertTactics: Tactics
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 48a9478b-440a-4330-b42c-94bd84dc904c
customDetails:
  EventName: Policy
  AuthomizeEventID: EventID
  ReferencedURL: URL
  EventRecommendation: Recommendation
  EventDescription: Description
name: Access to AWS without MFA
queryFrequency: 30m
severity: Medium
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: true
    groupByAlertDetails: []
    groupByEntities: []
    reopenClosedIncident: false
    groupByCustomDetails: []
    matchingMethod: AnyAlert
    lookbackDuration: 5h
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
entityMappings:
- fieldMappings:
  - columnName: URL
    identifier: Url
  entityType: URL
relevantTechniques:
- T1078
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 "Access to AWS without MFA"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
kind: Scheduled

ARM