/usr/lib/ruby/vendor_ruby/specinfra/backend/ is in ruby-specinfra 2.66.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/specinfra/backend/base.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/cmd.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/docker.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/dockerfile.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/exec.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/lxc.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/command.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/script_helper.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/check_file_access_rules.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/crop_text.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_group.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_iis_component.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_installed_application.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_installed_hot_fix.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_scheduled_task.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_service.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_user.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/find_usergroup.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/is_port_listening.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/is_remote_port_listening.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/powershell/support/list_windows_features.ps1
/usr/lib/ruby/vendor_ruby/specinfra/backend/shell_script.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/ssh.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/telnet.rb
/usr/lib/ruby/vendor_ruby/specinfra/backend/winrm.rb