/usr/bin/syrthes4_create_case is in syrthes 4.3.0-dfsg1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../lib/syrthes/bin/syrthes4_create_case
/usr/bin/../lib/syrthes/bin/syrthes4_create_case