EBS volume attachment attempt

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	AWS Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Modify Cloud Compute Infrastructure (T1578)
Severity	Informational

Description

An attempt was made to attach an EBS volume to an EC2 instance.

Attacker's Goals

Attach a volume to a cloud instance to exfiltrate sensitive data stored on EBS volumes.

Investigative actions

• Review recent activity related to the identity, the attached volume and the cloud instance.

Variations

EBS volume attachment attempt for volume with sensitive data

Synopsis

Field	Value
ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Modify Cloud Compute Infrastructure (T1578)
Severity	Low

Description

An attempt was made to attach an EBS volume with sensitive data to an EC2 instance.

Attacker's Goals

Attach a volume to a cloud instance to exfiltrate sensitive data stored on EBS volumes.

Investigative actions

• Review recent activity related to the identity, the attached volume and the cloud instance.

EBS volume attachment attempt using Cloud Formation or Terraform

Synopsis

Field	Value
ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Modify Cloud Compute Infrastructure (T1578)
Severity	Informational

Description

An attempt was made to attach an EBS volume to an EC2 instance.

Attacker's Goals

Attach a volume to a cloud instance to exfiltrate sensitive data stored on EBS volumes.

Investigative actions

• Review recent activity related to the identity, the attached volume and the cloud instance.