/usr/share/boxer/stretch/classes/Admin/ is in boxer-data 10.6.3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/boxer/stretch/classes/Admin/apt/
/usr/share/boxer/stretch/classes/Admin/apt/auto/
/usr/share/boxer/stretch/classes/Admin/apt/auto/all.yml
/usr/share/boxer/stretch/classes/Admin/apt/auto/core.yml
/usr/share/boxer/stretch/classes/Admin/apt/auto/functions.yml
/usr/share/boxer/stretch/classes/Admin/apt/auto/init.yml
/usr/share/boxer/stretch/classes/Admin/apt/auto/upgrade.yml
/usr/share/boxer/stretch/classes/Admin/apt/init.yml
/usr/share/boxer/stretch/classes/Admin/apt/popcon.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/
/usr/share/boxer/stretch/classes/Admin/apt/tools/bugs/
/usr/share/boxer/stretch/classes/Admin/apt/tools/bugs/init.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/bugs/noproxy.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/confirm/
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/confirm/disable.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/confirm/enable.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/confirm/index.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/init.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/which/
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/which/both.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/which/changelogs.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/changes/which/news.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/init.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/libreload/
/usr/share/boxer/stretch/classes/Admin/apt/tools/libreload/init.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/libreload/needrestart.yml
/usr/share/boxer/stretch/classes/Admin/apt/tools/libreload/whatmaps.yml
/usr/share/boxer/stretch/classes/Admin/auto.yml
/usr/share/boxer/stretch/classes/Admin/backup/
/usr/share/boxer/stretch/classes/Admin/backup/init.yml
/usr/share/boxer/stretch/classes/Admin/backup/remote.yml
/usr/share/boxer/stretch/classes/Admin/base.yml
/usr/share/boxer/stretch/classes/Admin/disk/
/usr/share/boxer/stretch/classes/Admin/disk/auto.yml
/usr/share/boxer/stretch/classes/Admin/disk/lvm.yml
/usr/share/boxer/stretch/classes/Admin/etc/
/usr/share/boxer/stretch/classes/Admin/etc/functions.yml
/usr/share/boxer/stretch/classes/Admin/etc/track.yml
/usr/share/boxer/stretch/classes/Admin/harden/
/usr/share/boxer/stretch/classes/Admin/harden/account/
/usr/share/boxer/stretch/classes/Admin/harden/account/init.yml
/usr/share/boxer/stretch/classes/Admin/harden/account/strong.yml
/usr/share/boxer/stretch/classes/Admin/harden/init.yml
/usr/share/boxer/stretch/classes/Admin/harden/trustweb.yml
/usr/share/boxer/stretch/classes/Admin/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/
/usr/share/boxer/stretch/classes/Admin/tools/bluetooth.yml
/usr/share/boxer/stretch/classes/Admin/tools/disk/
/usr/share/boxer/stretch/classes/Admin/tools/disk/fat.yml
/usr/share/boxer/stretch/classes/Admin/tools/disk/flash/
/usr/share/boxer/stretch/classes/Admin/tools/disk/flash/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/disk/flash/raw.yml
/usr/share/boxer/stretch/classes/Admin/tools/disk/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/disk/partition.yml
/usr/share/boxer/stretch/classes/Admin/tools/dns/
/usr/share/boxer/stretch/classes/Admin/tools/dns/bind9.yml
/usr/share/boxer/stretch/classes/Admin/tools/dns/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/dns/knot.yml
/usr/share/boxer/stretch/classes/Admin/tools/hardware/
/usr/share/boxer/stretch/classes/Admin/tools/hardware/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/hardware/low-level.yml
/usr/share/boxer/stretch/classes/Admin/tools/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/network/
/usr/share/boxer/stretch/classes/Admin/tools/network/init.yml
/usr/share/boxer/stretch/classes/Admin/tools/network/wifi.yml
/usr/share/boxer/stretch/classes/Admin/tools/processes.yml