Is It Possible to Send a File Through Lan        Without Permission

hey i have been searching lately for a way to send file.exe or any photo through lane without permission... hope someone can help me with it i really need to know a way or anything that makes me access other lan computer.. Thanks!

There are many ways. Netcat, hping3, scapy will all allow you to send files.

like without permission? i mean... i used a rat on someones computer by putting it on usb now im trying to send a rat by lan so i cracked my cousin network and i wanna put a rat on his computer is that possible through the programs u gave me?