any where host.os.type == "windows" and
 (process.name : "msiexec.exe" or Effective_process.name : "msiexec.exe") and
 (
  (event.category == "file" and event.action == "creation" and
   file.path : ("?:\\Windows\\System32\\Tasks\\*",
                "?:\\programdata\\microsoft\\windows\\start menu\\programs\\startup\\*",
                "?:\\Users\\*\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\*")) or

  (event.category == "registry" and event.action == "modification" and
   registry.path : ("H*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
                    "H*\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
                    "H*\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*",
                    "H*\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*"))
  )