Slight correction. Process contains cmd line arguments for finding distinct number of sc invocations. Removing this and process id from BY clause

This commit is contained in:
Michael Hart
2021-06-28 14:14:42 -04:00
parent f10bdb4742
commit d9c8e10920
@@ -13,10 +13,10 @@ description: This detection targets behaviors observed when threat actors have u
we see both an excessive number of sc.exe processes launched with specific commandline
arguments to disable the start of certain services.
search: '| tstats `security_content_summariesonly` distinct_count(Processes.process)
as distinct_cmdlines min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
as distinct_cmdlines values(Processes.process_id) as process_ids min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
WHERE Processes.process_name = "sc.exe" AND Processes.process="*start= disabled*"
by Processes.dest Processes.user Processes.parent_process Processes.process_name Processes.process
Processes.process_id Processes.parent_process_id, _time span=30m | where distinct_cmdlines >= 8
by Processes.dest Processes.user Processes.parent_process Processes.process_name Processes.parent_process_id,
_time span=30m | where distinct_cmdlines >= 8
| `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
| `excessive_number_of_service_control_start_as_disabled_filter`'
how_to_implement: You must be ingesting data that records process activity from your