AWS STS Role Assumption by Service
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About the rule
Rule Type
Standard
Rule Description
Identifies when a service has assumed a role in AWS Security Token Service (STS). Services can assume a role to obtain temporary credentials and access AWS resources. Adversaries can use this technique for credential access and privilege escalation. This is aNew Termsrule that identifies when a service assumes a role in AWS Security Token Service (STS) to obtain temporary credentials and access AWS resources. While often legitimate, adversaries may use this technique for unauthorized access, privilege escalation, or lateral movement within an AWS environment.
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "DETECTION_ACTION_AWS_STS_ROLE_ASSUMED_BY_SERVICE" select Action1.CALLER,Action1.HOSTNAME,Action1.IPADDRESS,Action1.LOG_EVENT_NAME,Action1.SOURCE,Action1.SOURCE_REGION,Action1.REQUESTPARAMETERS
Detection
Execution Mode
realtime
Log Sources
AWS
