GCP Firewall Rule creation

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	3 Hours
Required Data	Gcp Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Defense Impairment (TA0112)
ATT&CK Technique	Disable or Modify System Firewall: Cloud Firewall (T1686.001)
Severity	Informational

Description

A GCP VPN firewall rule was created. An attacker might use this technique to block or open access to/from restricted areas.

Attacker's Goals

Access restricted resources.

Investigative actions

• Check if there were any network attempts that fit the created rule.
• Check the cloud identity activity before and after the rule creation.