Detectionhightest

Suspicious New Service Creation

Detects creation of a new service via "sc" command or the powershell "new-service" cmdlet with suspicious binary paths

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Nasreddine Bencherchali (Nextron Systems)Created Thu Jul 14Updated Fri Nov 1817a1be64-8d88-40bf-b5ff-a4f7a50ebcc8windows

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_sc:
        Image|endswith: '\sc.exe'
        CommandLine|contains|all:
            - 'create'
            - 'binPath='
    selection_posh:
        CommandLine|contains|all:
            - 'New-Service'
            - '-BinaryPathName'
    susp_binpath:
        CommandLine|contains:
            # Add more suspicious commands or binaries
            - 'powershell'
            - 'mshta'
            - 'wscript'
            - 'cscript'
            - 'svchost'
            - 'dllhost'
            - 'cmd '
            - 'cmd.exe /c'
            - 'cmd.exe /k'
            - 'cmd.exe /r'
            - 'rundll32'
            # Add more suspicious paths
            - 'C:\Users\Public'
            - '\Downloads\'
            - '\Desktop\'
            - '\Microsoft\Windows\Start Menu\Programs\Startup\'
            - 'C:\Windows\TEMP\'
            - '\AppData\Local\Temp'
    condition: 1 of selection* and susp_binpath