Detectionmediumtest

Service StartupType Change Via Sc.EXE

Detect the use of "sc.exe" to change the startup type of a service to "disabled" or "demand"

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Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Nasreddine Bencherchali (Nextron Systems)Created Mon Aug 01Updated Sat Mar 0485c312b7-f44d-4a51-a024-d671c40b49fcwindows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection_img:
        - Image|endswith: '\sc.exe'
        - OriginalFileName: 'sc.exe'
    selection_cli:
        CommandLine|contains|all:
            - ' config '
            - 'start'
        CommandLine|contains:
            - 'disabled'
            - 'demand'
    condition: all of selection_*