This detection is to identify a creation of "user mode service" where the service file path is located in non-common service folder in windows.
- Type: TTP
- Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
- Datamodel: Endpoint
- Last Updated: 2021-03-12
- Author: Teoderick Contreras
- ID: 429141be-8311-11eb-adb6-acde48001122
`wineventlog_system` EventCode=7045 Service_File_Name = "*\.exe" NOT (Service_File_Name IN ("C:\\Windows\\*", "C:\\Program File*", "C:\\Programdata\\*", "%systemroot%\\*")) Service_Type = "user mode service" | stats count min(_time) as firstTime max(_time) as lastTime by EventCode Service_File_Name Service_Name Service_Start_Type Service_Type | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `create_service_in_suspicious_file_path_filter`
Associated Analytic Story
How To Implement
To successfully implement this search, you need to be ingesting logs with the Service name, Service File Name Service Start type, and Service Type from your endpoints.
Kill Chain Phase
- Privilege Escalation
Known False Positives
|56.0||70||80||A service $Service_File_Name$ was created from a non-standard path using $Service_Name$, potentially leading to a privilege escalation.|
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