Analytics BIOC Low

Rare SMB session to a remote host

The endpoint performed a rare SMB activity to a remote host.

Module:
Platform Analytics
Data source:
Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls
ATT&CK tactics: Lateral Movement (TA0008)
ATT&CK techniques: Remote Services (T1021)
Detector tags: NDR Lateral Movement Analytics
Attacker's goals:

Attackers may use the SMB protocol in an attempt to move laterally in the network, and expand their foothold in the organization.

Investigative actions:

Check whether the username used in the SMB connection is legitimate. Verify that this isn't IT activity.

Test period:
N/A (single event)
Deduplication:
2 Days
1 variation:
  • Rare SMB session to a remote host Informational (parent: Low)