/usr/share/dbus-1/system-services/org.freedesktop.SystemToolsBackends.service is in system-tools-backends 2.10.2-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [D-BUS Service]
Name=org.freedesktop.SystemToolsBackends
Exec=/usr/sbin/system-tools-backends
User=root
|