Forum Thread: Netcat Acting Wierd When Listen on a Port

i made a payload in metasploit a batch file which is running at port 4545 when i listen on the port at run the payload on my windows machine it says this:

nc -l 4545
??Xu?>??o#KE?Q???R{??D_
??8?,?+?0?/???$?#?(?'?
? ??93??=<5/
j@82>

#?