Soicmp is a remote shell system, similar to telnet or netcat that allows a user to connect to a remote shell daemon, by using ICMP protocol instead of classical TCP. http://soicmp.sourceforge.net/ http://billiejoex.altervista.org/Prj_Py_soicmp.shtml