An AWS EC2 instance was exported from a production account

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	3 Days
Required Data	AWS Audit Log
Detection Modules	Cloud
Detector Tags	Cloud Data Asset Stealth Tactics, Data Detection & Response
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Informational

Description

An EC2 instance was exported from a production account to an S3 bucket.

Attacker's Goals

An attack may exfiltrate data from an EC2 instance to an S3 bucket outside the account.

Investigative actions

• Check the identity that exported the instance.
• Check to which S3 bucket the EC2 was exported into.
• Check the S3 bucket permission and policy.