/etc/ is in systemd 44-11+deb7u4.
This file is owned by root:root, with mode 0o755.
..
/etc/sysctl.d/
/etc/xdg/
/etc/xdg/systemd/
/etc/dbus-1/
/etc/dbus-1/system.d/
/etc/binfmt.d/
/etc/tmpfiles.d/
/etc/systemd/
/etc/systemd/system/
/etc/systemd/system/getty.target.wants/
/etc/systemd/system/sysinit.target.wants/
/etc/systemd/system/local-fs.target.wants/
/etc/systemd/system/multi-user.target.wants/
/etc/systemd/systemd-journald.conf
/etc/systemd/user/
/etc/systemd/user.conf
/etc/systemd/system.conf
/etc/systemd/systemd-logind.conf
/etc/bash_completion.d/
/etc/bash_completion.d/systemd-bash-completion.sh
/etc/modules-load.d/
/etc/dbus-1/system.d/org.freedesktop.login1.conf
/etc/dbus-1/system.d/org.freedesktop.systemd1.conf
/etc/dbus-1/system.d/org.freedesktop.locale1.conf
/etc/dbus-1/system.d/org.freedesktop.timedate1.conf
/etc/dbus-1/system.d/org.freedesktop.hostname1.conf
/etc/systemd/system/getty.target.wants/getty@tty1.service
/etc/systemd/system/multi-user.target.wants/remote-fs.target
/etc/modules-load.d/modules.conf
/etc/xdg/systemd/user