/usr/share/sssd/ is in sssd-common 1.16.1-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/sssd/cfg_rules.ini
/usr/share/sssd/generate-config
/usr/share/sssd/sssd.api.conf
/usr/share/sssd/sssd.api.d/
/usr/share/sssd/sssd.api.d/sssd-ad.conf
/usr/share/sssd/sssd.api.d/sssd-ipa.conf
/usr/share/sssd/sssd.api.d/sssd-krb5.conf
/usr/share/sssd/sssd.api.d/sssd-ldap.conf
/usr/share/sssd/sssd.api.d/sssd-local.conf
/usr/share/sssd/sssd.api.d/sssd-proxy.conf
/usr/share/sssd/sssd.api.d/sssd-simple.conf
/usr/share/sssd/systemtap/
/usr/share/sssd/systemtap/dp_request.stp
/usr/share/sssd/systemtap/id_perf.stp
/usr/share/sssd/systemtap/nested_group_perf.stp