smss.exe process triggering false positive on TMS

Reply
Highlighted
L3 Networker

smss.exe process triggering false positive on TMS

Dear community!

 

We are getting a lot of security events on our TMS because the Behavioral Threat module analysis is triggering false positives when inspecting smss.exe process.

"smss.exe" is a file that manages the startup of all user sessions in Windows.

\SystemRoot\System32\smss.exe

 

+ Does anyone else has this issue?

+ In order to avoid those events, is the only solution to create a behavioral threat rule exception for process smss.exe?

 

The agent version is 6.1.5

 

Thank you!

Highlighted
L4 Transporter

Re: smss.exe process triggering false positive on TMS

Hi there-

 

BTP should not be triggering on the smss process alone.  BTP is looking at sequences of events and based on the behavior of the entire sequence, it can trigger an alert.  After reviewing the Analysis tab in TMS that shows all of the events that triggered the alert, if you determine that this is s FP, you should indeed create exclusion for this scenario.


David Falcon 
MDR Systems Engineer, Cortex
Palo AltoNetworks® 
Like what you see?

Show your appreciation!

Click Like if a post is helpful to you or if you just want to show your support.

Click Accept as Solution to acknowledge that the answer to your question has been provided.

The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!

These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the Live Community as a whole!

The Live Community thanks you for your participation!