Elastic Security Detection Rules

AWS Root Login Without MFA

Last updated a year ago on 2024-05-21
Created 5 years ago on 2020-07-06

About

Identifies attempts to login to AWS as the root user without using multi-factor authentication (MFA). Amazon AWS best practices indicate that the root user should be protected by MFA.
Tags
Domain: CloudData Source: AWSData Source: Amazon Web ServicesData Source: AWS Route53Use Case: Identity and Access AuditTactic: Privilege EscalationLanguage: kuery
Severity
high
Risk Score
73
MITRE ATT&CK™

Privilege Escalation (TA0004)(opens in a new tab or window)

↳ Valid Accounts (T1078)(opens in a new tab or window)

False Positive Examples
Some organizations allow login with the root user without MFA, however, this is not considered best practice by AWS and increases the risk of compromised credentials.
License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Query (Kibana Query Language)
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
filebeat-*logs-aws.cloudtrail-*
Related Integrations

aws(opens in a new tab or window)

Query
event.dataset:aws.cloudtrail and event.provider:signin.amazonaws.com and event.action:ConsoleLogin and
  aws.cloudtrail.user_identity.type:Root and
  aws.cloudtrail.console_login.additional_eventdata.mfa_used:false and
  event.outcome:success

Install detection rules in Elastic Security

Detect AWS Root Login Without MFA in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).