GCP Firewall Rule creation

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

3 Hours

Required Data

  • Requires:
    • Gcp Audit Log

Detection Modules

Cloud

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Impair Defenses: Disable or Modify Cloud Firewall (T1562.007)

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 prior/after to the rule creation.