lamescan v1.401b is a multithreaded portscanner that supports scanning domains, class A,B,C nets, random scan, multithreaded scan, scanning hostnames as they are typed on stdin, ansi, identd lookups(buggy), sending a “user lalala” string to any open port (to look less as a portscan), output to a filename and delaying between each connect() call.
You can download it from the following link: https://packetstormsecurity.com/files/download/14190/lamescan-1.401b.tar.gz
Source: https://packetstormsecurity.com/files/14190/lamescan-1.401b.tar.gz.html