drop trojan on open port

hey can somebody help me im such a n00b
how do you drop a trojan on an open port?
first, i scan with nmap to see if there are any
then i telnet to the port
and i dont know where to go from there
did I do something wrong?
help!!!

[QUOTE=NickSing*]hey can somebody help me im such a n00b
how do you drop a trojan on an open port?
first, i scan with nmap to see if there are any
then i telnet to the port
and i dont know where to go from there
did I do something wrong?
help!!![/QUOTE]

Things aren't really as simple as that...