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Added detection testing service results inSystem User Discovery With Query

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2021-09-13 22:03:33 +00:00
parent 2959c2edb7
commit 07e27ba6ae
1 changed files with 11 additions and 7 deletions
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detections/endpoint/system_user_discovery_with_query.yml
+11 -7
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@@ -6,13 +6,16 @@ author: Mauricio Velazco, Splunk
type: Hunting
datamodel:
- Endpoint
description: This analytic looks for the execution of `query.exe` with command-line arguments utilized to discover the logged user.
Red Teams and adversaries alike may leverage `query.exe` to identify system users on a compromised endpoint for situational awareness and Active Directory Discovery.
description: This analytic looks for the execution of `query.exe` with command-line
arguments utilized to discover the logged user. Red Teams and adversaries alike
may leverage `query.exe` to identify system users on a compromised endpoint for
situational awareness and Active Directory Discovery.
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
as lastTime from datamodel=Endpoint.Processes where (Processes.process_name="query.exe")
(Processes.process=*user*) by Processes.dest Processes.user Processes.parent_process Processes.process_name
Processes.process Processes.process_id Processes.parent_process_id | `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `system_user_discovery_with_query_filter`'
as lastTime from datamodel=Endpoint.Processes where (Processes.process_name="query.exe")
(Processes.process=*user*) by Processes.dest Processes.user Processes.parent_process
Processes.process_name Processes.process Processes.process_id Processes.parent_process_id
| `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
| `system_user_discovery_with_query_filter`'
how_to_implement: To successfully implement this search you need to be ingesting information
on process that include the name of the process responsible for the changes from
your endpoints into the `Endpoint` datamodel in the `Processes` node.
@@ -47,4 +50,5 @@ tags:
- name: dest
type: Endpoint
role:
- Victim
- Victim
automated_detection_testing: passed