A Successful VPN connection from TOR

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-09-24
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Hour

Required Data

  • Requires one of the following data sources:
    • Palo Alto Networks Global Protect
      OR
    • Third-Party VPNs

Detection Modules

Identity Analytics

Detector Tags

ATT&CK Tactic

ATT&CK Technique

Severity

High

Description

A successful VPN connection from a TOR exit node.

Attacker's Goals

Gain initial access to organization and hiding itself.

Investigative actions

  • Block all web traffic to and from public Tor entry and exit nodes.
  • Search for additional logins from the same user around the alert timestamp.

Variations

A Successful VPN connection from TOR via Mobile Device

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

A successful VPN connection from a TOR exit node.

Attacker's Goals

Gain initial access to organization and hiding itself.

Investigative actions

  • Block all web traffic to and from public Tor entry and exit nodes.
  • Search for additional logins from the same user around the alert timestamp.