Ifstatus checks all network interfaces on the system, and reports any that are in debug or promiscuous mode, which may be a sign of unauthorized access to the system.
You can download it from the following link: https://packetstormsecurity.com/files/download/12729/ifstatus2.2.tar.gz
Source: https://packetstormsecurity.com/files/12729/ifstatus2.2.tar.gz.html

