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patel-bhavin avatar patel-bhavin commented on June 12, 2024

Hello @wkleinhenz Thanks for re-raising the issue. We may have missed updating this detection correctly in the past!
We updated this search to join on both dest and process_id. Will ship this updated detections in the next release!

Please feel free to create issues for things like this and we really appreciate you!!]!

Note: We couldnt use the process_guid field which would have been more accurate but the network traffic datamodel doesnt have that field.

from security_content.

patel-bhavin avatar patel-bhavin commented on June 12, 2024

Here's how to the new search looks like :

| tstats `security_content_summariesonly` count FROM datamodel=Endpoint.Processes where Processes.process_name!=lsass.exe by _time Processes.process_id Processes.process_name Processes.dest Processes.process_path Processes.process Processes.parent_process_name 
| `drop_dm_object_name(Processes)` 
| `security_content_ctime(firstTime)` 
| `security_content_ctime(lastTime)` 
| join process_id dest 
    [| tstats `security_content_summariesonly` count FROM datamodel=Network_Traffic.All_Traffic where All_Traffic.dest_port = 88 by All_Traffic.src All_Traffic.process_id All_Traffic.dest_port 
    | `drop_dm_object_name(All_Traffic)` 
    | rename src as dest ] 
| table _time dest parent_process_name process_name process_path process process_id dest_port 
| `unknown_process_using_the_kerberos_protocol_filter````


Note: to better avoid collisions, process_guid field is better however the Network DM currently has limitation from using that. 

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patel-bhavin avatar patel-bhavin commented on June 12, 2024

Please feel free to reopen this issue if it persists! Thank you

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