LoFP / using sc.exe to manipulate windows services is uncommon. however, there may be legitimate instances of this behavior. it is important to validate and investigate as appropriate.

Techniques

• T1543
• T1543.003

Sample rules

Sc exe Manipulating Windows Services

• source: splunk
• technicques:
  • T1543.003
  • T1543

Description

The following analytic detects the creation or modification of Windows services using the sc.exe command. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line arguments. This activity is significant because manipulating Windows services can be a method for attackers to establish persistence, escalate privileges, or execute arbitrary code. If confirmed malicious, this behavior could allow an attacker to maintain long-term access, disrupt services, or gain control over critical system functions, posing a severe threat to the environment.

Detection logic

| tstats `security_content_summariesonly` values(Processes.process) as process min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process_name = sc.exe (Processes.process="* create *" OR Processes.process="* config *") by Processes.process_name Processes.parent_process_name Processes.dest Processes.user 
| `drop_dm_object_name(Processes)` 
| `security_content_ctime(firstTime)` 
| `security_content_ctime(lastTime)` 
| `sc_exe_manipulating_windows_services_filter`