/etc/xdg/autostart/krb5-auth-dialog.desktop is in krb5-auth-dialog 3.12.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | [Desktop Entry]
Name=Kerberos Authentication
Comment=Kerberos Network Authentication Dialog
Exec=krb5-auth-dialog
Terminal=false
Type=Application
Icon=krb-valid-ticket
Categories=GNOME;GTK;Utility;Network;
X-GNOME-Bugzilla-Bugzilla=GNOME
X-GNOME-Bugzilla-Product=krb5-auth-dialog
X-GNOME-Bugzilla-Component=general
X-GNOME-UsesNotifications=true
X-Ubuntu-Gettext-Domain=krb5-auth-dialog
|