A cloud snapshot of AWS database or storage was modified or shared

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	AWS Audit Log
Detection Modules	Cloud
Detector Tags	Cloud Data Asset Disaster Recovery Risks, Cloud Data Asset Configuration, Data Detection & Response
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Informational

Description

A cloud identity has shared a snapshot of an AWS database or storage instance.

Attacker's Goals

Exfiltrate sensitive data that resides on the snapshot.

Investigative actions

• Check if the identity intended to modify the snapshot.
• Check if the identity performed additional malicious operations within the cloud environment.

Variations

Cloud snapshot of a database or storage instance was shared public

Synopsis

Field	Value
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Low

Description

A cloud identity has shared a snapshot of an AWS database or storage instance.

Attacker's Goals

Exfiltrate sensitive data that resides on the snapshot.

Investigative actions

• Check if the identity intended to modify the snapshot.
• Check if the identity performed additional malicious operations within the cloud environment.
• Check if snapshot contained sensitive information and investigate aws account that shared it.

Cloud snapshot of a database or storage instance was shared with an unknown AWS account

Synopsis

Field	Value
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Low

Description

A cloud identity has shared a snapshot of an AWS database or storage instance.

Attacker's Goals

Exfiltrate sensitive data that resides on the snapshot.

Investigative actions

• Check if the identity intended to modify the snapshot.
• Check if the identity performed additional malicious operations within the cloud environment.
• Check which AWS accounts the snapshot was shared with.