/usr/lib/ruby/vendor_ruby/ms_rest_azure/ is in ruby-ms-rest-azure 0.6.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/ms_rest_azure/active_directory_service_settings.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/async_operation_status.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/azure_environment.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/azure_operation_error.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/azure_operation_response.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/azure_service_client.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/cloud_error_data.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/credentials/
/usr/lib/ruby/vendor_ruby/ms_rest_azure/credentials/application_token_provider.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/polling_state.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/resource.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/serialization.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/sub_resource.rb
/usr/lib/ruby/vendor_ruby/ms_rest_azure/version.rb