Windows Service Creation on Remote Endpoint
This analytic looks for the execution of
sc.exe with command-line arguments utilized to create a Windows Service on a remote endpoint. Red Teams and adversaries alike may abuse the Service Control Manager for lateral movement and remote code execution.
- Type: TTP
- Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
- Datamodel: Endpoint
- Last Updated: 2021-11-10
- Author: Mauricio Velazco, Splunk
- ID: e0eea4fa-4274-11ec-882b-3e22fbd008af
Kill Chain Phase
- CIS 10
1 2 3 4 5 6 | tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where (Processes.process_name=sc.exe OR Processes.original_file_name=sc.exe) (Processes.process=*\\\\* AND Processes.process=*create* AND Processes.process=*binpath*) by Processes.dest Processes.user Processes.parent_process_name 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)` | `windows_service_creation_on_remote_endpoint_filter`
The SPL above uses the following Macros:
windows_service_creation_on_remote_endpoint_filter is a empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL.
List of fields required to use this analytic.
How To Implement
To successfully implement this search, you need to be ingesting logs with the process name, parent process, and command-line executions from your endpoints.
Known False Positives
Administrators may create Windows Services on remote systems, but this activity is usually limited to a small set of hosts or users.
Associated Analytic Story
|54.0||90||60||A Windows Service was created on a remote endpoint from $dest|
The Risk Score is calculated by the following formula: Risk Score = (Impact * Confidence/100). Initial Confidence and Impact is set by the analytic author.
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source | version: 1