Suspicious ICMP traffic that resembles smurf attack

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

1 Hour

Deduplication Period

1 Day

Required Data

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

Detection Modules

ATT&CK Tactic

Impact (TA0040)

ATT&CK Technique

Severity

Low

Description

ICMP smurf attack was used.

Attacker's Goals

Attempt to perform a denial-of-service attack by network exhaustion.

Investigative actions

  • Check if the ICMP message to broadcast was used for a legitimate reason.
  • If not, check for denial-of-service impact on the subnet.