Failed Login For a Long Username With Special Characters

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

1 Day

Required Data

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

Detection Modules

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Exploit Public-Facing Application (T1190)

Severity

Informational

Description

A long username containing special characters failed to log in to the domain.

Attacker's Goals

An attacker is trying to get code execution on internet-facing assets through command injection.

Investigative actions

  • Is the host running internet-facing services?
  • Are we looking at sanction vulnerability scanning?