IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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AWS Management Console Root Login

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AWS Management Console Root Login

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Identifies a successful login to the AWS Management Console by the Root user.

Rule type: query

Rule indices:

filebeat-*
logs-aws*

Severity: high

Risk score: 73

Runs every: 10 minutes

Searches indices from: now-60m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://docs.aws.amazon.com/IAM/latest/UserGuide/id_root-user.html

Tags:

Elastic
Cloud
AWS
Continuous Monitoring
SecOps
Identity and Access

Version: 5 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 7.13.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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It’s strongly recommended that the root user is not used for everyday tasks, including the administrative ones. Verify whether the IP address, location, and/or hostname should be logging in as root in your environment. Unfamiliar root logins should be investigated immediately. If known behavior is causing false positives, it can be exempted from the rule.

Investigation guide

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Config

The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

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event.dataset:aws.cloudtrail and event.provider:signin.amazonaws.com
and event.action:ConsoleLogin and
aws.cloudtrail.user_identity.type:Root and event.outcome:success

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
Technique:
- Name: Valid Accounts
- ID: T1078
- Reference URL: https://attack.mitre.org/techniques/T1078/
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Valid Accounts
- ID: T1078
- Reference URL: https://attack.mitre.org/techniques/T1078/

Rule version history

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Version 5 (7.13.0 release)

Updated query, changed from:

event.action:ConsoleLogin and event.dataset:aws.cloudtrail and
event.provider:signin.amazonaws.com and
aws.cloudtrail.user_identity.type:Root and event.outcome:success

Version 4 (7.12.0 release)

Formatting only

Version 3 (7.11.2 release)

Formatting only

Version 2 (7.10.0 release)

Updated query, changed from:

event.action:ConsoleLogin and event.module:aws and
event.dataset:aws.cloudtrail and event.provider:signin.amazonaws.com
and aws.cloudtrail.user_identity.type:Root and event.outcome:success

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