GCP Virtual Private Network Route Creation

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Gcp Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Impact (TA0040)
ATT&CK Technique	Network Denial of Service (T1498)
Severity	Informational

Description

A GCP VPC route was created. An attacker might use this technique to impact business workflows.

Attacker's Goals

Block the availability of targeted resources to users/services.

Investigative actions

• Check which services were affected by the route creation.
• Check the cloud identity activity before or after the route creation.