Analytics BIOC Informational

Failed Login For a Long Username With Special Characters

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

Module:
Platform Analytics
Data source:
Palo Alto Networks Firewall EAL Logs, XDR Agent
ATT&CK tactics: Initial Access (TA0001)
ATT&CK techniques: Exploit Public-Facing Application (T1190)
Attacker's goals:

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

Investigative actions:

Check the host and/or user triggering these failed attempts: Is the host running internet-facing services? Are we looking at sanction vulnerability scanning?

Test period:
N/A (single event)
Deduplication:
1 Day