IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
AWS Security Token Service (STS) AssumeRole Usage
editAWS Security Token Service (STS) AssumeRole Usage
editIdentifies the use of AssumeRole. AssumeRole returns a set of temporary security credentials that can be used to access AWS resources. An adversary could use those credentials to move laterally and escalate privileges.
Rule type: query
Rule indices:
- filebeat-*
- logs-aws*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: None (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Cloud
- Data Source: AWS
- Data Source: Amazon Web Services
- Use Case: Identity and Access Audit
- Tactic: Privilege Escalation
Version: 105
Rule authors:
- Austin Songer
Rule license: Elastic License v2
Investigation guide
editRule query
editevent.dataset:aws.cloudtrail and event.provider:sts.amazonaws.com and event.action:AssumedRole and aws.cloudtrail.user_identity.session_context.session_issuer.type:Role and event.outcome:success
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Abuse Elevation Control Mechanism
- ID: T1548
- Reference URL: https://attack.mitre.org/techniques/T1548/
-
Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
-
Technique:
- Name: Use Alternate Authentication Material
- ID: T1550
- Reference URL: https://attack.mitre.org/techniques/T1550/
-
Sub-technique:
- Name: Application Access Token
- ID: T1550.001
- Reference URL: https://attack.mitre.org/techniques/T1550/001/