AWS Management Console Brute Force of Root User Identity
editAWS Management Console Brute Force of Root User Identity
editIdentifies a high number of failed authentication attempts to the AWS management console for the Root user identity. An adversary may attempt to brute force the password for the Root user identity, as it has complete access to all services and resources for the AWS account.
Rule type: threshold
Rule indices:
- filebeat-*
- logs-aws*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-20m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- AWS
- Continuous Monitoring
- SecOps
- Identity and Access
Version: 1
Added (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positives
editAutomated processes that attempt to authenticate using expired credentials and unbounded retries may lead to false positives.
Investigation guide
editThe AWS Filebeat module must be enabled to use this rule.
Rule query
editevent.dataset:aws.cloudtrail and event.provider:signin.amazonaws.com and event.action:ConsoleLogin and aws.cloudtrail.user_identity.type:Root and event.outcome:failure
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: Brute Force
- ID: T1110
- Reference URL: https://attack.mitre.org/techniques/T1110/