Rare AppID usage to a rare destination

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

14 Days

Required Data

  • Requires one of the following data sources:
    • Palo Alto Networks Platform Logs
      OR
    • XDR Agent
      OR
    • Third-Party Firewalls

Detection Modules

ATT&CK Tactic

Command and Control (TA0011)

ATT&CK Technique

Severity

Informational

Description

Rare AppID with port usage to rare destination.

Attacker's Goals

Attackers might use well-known ports with uncommon applications to avoid being detected by a non-application aware firewall, or to bypass firewall rules based only on ports.

Investigative actions

Investigate the endpoints participating in the session.

Variations

Rare AppID usage to a rare destination using an unsigned process

Synopsis

ATT&CK Tactic

Command and Control (TA0011)

ATT&CK Technique

Severity

Low

Description

Rare AppID with port usage to rare destination.

Attacker's Goals

Attackers might use well-known ports with uncommon applications to avoid being detected by a non-application aware firewall, or to bypass firewall rules based only on ports.

Investigative actions

Investigate the endpoints participating in the session.


Rare AppID usage to a rare destination from an internet-facing server

Synopsis

ATT&CK Tactic

Command and Control (TA0011)

ATT&CK Technique

Severity

Low

Description

Rare AppID with port usage to rare destination.

Attacker's Goals

Attackers might use well-known ports with uncommon applications to avoid being detected by a non-application aware firewall, or to bypass firewall rules based only on ports.

Investigative actions

Investigate the endpoints participating in the session.