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pyth0n1c
2022-02-28 14:19:47 -08:00
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detections/endpoint/excessive_number_of_distinct_processes_created_in_windows_temp_folder.yml
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@@ -1,8 +1,8 @@
name: Excessive number of distinct processes created in Windows Temp folder
id: 23587b6a-c479-11eb-b671-acde48001122
version: 1
date: '2021-06-03'
author: Michael Hart, Splunk
version: 2
date: '2022-02-28'
author: Michael Hart, Mauricio Velazco, Splunk
type: Anomaly
datamodel:
- Endpoint
@@ -13,7 +13,7 @@ description: This analytic will identify suspicious series of process executions
to typical application behaviors that use Windows\Temp.
search: '| tstats `security_content_summariesonly` values(Processes.process) as process
distinct_count(Processes.process) as distinct_process_count min(_time) as firstTime
max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process
max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process_path
= "*\\Windows\\Temp\\*" by Processes.dest Processes.user _time span=20m | where
distinct_process_count > 37 | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)` | `excessive_number_of_distinct_processes_created_in_windows_temp_folder_filter`'