Sure, it's pretty small:
[sssd]
config_file_version = 2
services = nss, pam
domains = xd.uni-halle.de
[domain/xd.uni-halle.de]
id_provider = ad
ldap_id_mapping = False
ldap_schema = ad
ldap_group_search_base = DC=xd,DC=uni-halle,DC=de
ldap_user_search_base = DC=xd,DC=uni-halle,DC=de
access_provider = ad
Thanks for the help!