SPS.pl is a simple perl scanner which scans ports 80, 21, 22, 25, 110, and RPC services. Includes a RPC lookup table. Tested on linux.
You can download it from the following link: https://packetstormsecurity.com/files/download/24631/sps.pl
Source: https://packetstormsecurity.com/files/24631/sps.pl.html