S3 Data Exfiltration via Cross Account Replication
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About the rule
Rule Type
Standard
Rule Description
Detects S3 bucket replication configuration changes that could indicate data exfiltration to external accounts.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "All S3 Bucket Activity" AND (REQUESTPARAMETERS contains "ReplicationConfiguration" AND REQUESTPARAMETERS contains "Destination")
select Action1.CALLER,Action1.SOURCE,Action1.LOG_EVENT_NAME,Action1.EVENTSOURCE,Action1.IPADDRESS,Action1.BUCKETNAME,Action1.REQUESTPARAMETERS
Detection
Execution Mode
realtime
Log Sources
AWS
