PowerShell 技能连载 - 在 PowerShell 中查找服务

Get-Service 可以列出计算机上的所有服务,但是返回的信息十分少。您无法很容易地看出一个服务做什么、它是一个 Microsoft 服务还是一个第三方服务,以及服务所对应的可执行程序。

通过合并一些信息,您可以获取许多更丰富的信息。以下是一个 Find-Service 函数,可以返回一系列丰富的信息:

function Find-Service
{
    param
    (
        $Name = '*',
        $DisplayName = '*',
        $Started 
    )
    $pattern = '^.*\.exe\b'

    $Name = $Name.Replace('*','%')
    $DisplayName = $DisplayName.Replace('*','%')

    Get-WmiObject -Class Win32_Service -Filter "Name like '$Name' and DisplayName like '$DisplayName'"|
      ForEach-Object {

        if ($_.PathName -match $pattern)
        {
            $Path = $matches[0].Trim('"')
            $file = Get-Item -Path $Path
            $rv = $_ | Select-Object -Property Name, DisplayName, isMicrosoft, Started, StartMode, Description, CompanyName, ProductName, FileDescription, ServiceType, ExitCode, InstallDate, DesktopInteract, ErrorControl, ExecutablePath, PathName
            $rv.CompanyName = $file.VersionInfo.CompanyName
            $rv.ProductName = $file.VersionInfo.ProductName
            $rv.FileDescription = $file.VersionInfo.FileDescription
            $rv.ExecutablePath = $path
            $rv.isMicrosoft = $file.VersionInfo.CompanyName -like '*Microsoft*'
            $rv
        }
        else
        {
            Write-Warning ("Service {0} has no EXE attached. PathName='{1}'" -f $_.PathName)
        }
      }
}

Find-Service | Out-GridView

本文国际来源:Finding Services in PowerShell

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