bash/netinfect/neti.bash

   1 #!/bin/bash
   2 #Random IP scanner
   3 PORT=22;
   4
   5 function rand_addr() {
   6         echo $[$RANDOM%255].$[$RANDOM%255].$[$RANDOM%255].$[$RANDOM%255];
   7 }
   8
   9 echo Scanning random IPs for port $PORT opened...
  10 while true; do
  11         RADDR=$(rand_addr);
  12         echo -n $RADDR:$PORT:;
  13         nc -z -w 1 $RADDR $PORT > /dev/null 2>&1;
  14         case "$?" in
  15                 "0") echo open; echo $RADDR >> open$(echo $PORT)s.txt ;;
  16                 *)   echo closed
  17         esac;
  18 done;