require 'winrm'
require 'awesome_print'

endpoint = 'xxxx'
username = 'yyyy'
password = 'zzzz'
script   = 'Get-Service W32Time'

winrm = WinRM::WinRMWebService.new(
  endpoint,
  :ssl,
  :user         => username,
  :pass         => password,
  :disable_sspi => true
)

winrm.set_timeout(60)

executor = winrm.create_executor
results  = executor.run_powershell_script(script)
ap results