Rule Category

SERVER-SAMBA -- Snort has detected traffic exploiting vulnerabilities in Samba servers.

Alert Message

SERVER-SAMBA Samba unsigned connections attempt

Rule Explanation

This event is generated when an SMB connection is not correctly enforced to be signed, which may lead to connection hijacking. Impact: Attempted User Privilege Gain Details: There are specific Samba commands that doesn't enforce a signing of the Samba connection when they explicitly require to use it. This lack of enforcement, could lead to a hijacking of the connections since they are not encrypted and the information could be modified intentionally by a man in the middle attack. Ease of Attack: Hard

What To Look For

Known Usage

No public information

False Positives

No known false positives


Cisco Talos Intelligence Group

MITRE ATT&CK Framework



For reference, see the MITRE ATT&CK vulnerability types here:

Additional Links

Rule Vulnerability

CVE Additional Information