Shell Programming and Scripting

cat $1 | while read LN; do
SRV=`echo $LN | awk '{print $1}'`
php connect.php $SRV 123
done

<?php

function S_Server($_server, $_port, $_user, $_pass) {
        if ( "$_port" == "123" ) {
                print "[+]Found $_server\r\n";
                if(!($_OutFile = fopen("iplist", "a"))) ExitF ("Cannot open the log file");
                fputs($_OutFile, "$_server $_user $_pass\n");
                fclose($_OutFile);
        }

}

function ExitF($errmsg) {
        print "[-]" . $errmsg . "\r\n";
        exit(0);
}

function CrackSMTP($server, $port, $user, $pass) {
        $socket = fsockopen($server, $port, $errno, $errstr, 2);

        if (!$socket) ExitF ("SOCKET ERROR!");

        fclose($socket);

        S_Server ($server, $port, $user, $pass);

        exit(0);
}

if ($argv[4]) $_PASS = $argv[4];
if (!($_PASS)) $_PASS = "";

if (!($argv[3])) {
        ExitF ("Usage: $argv[0] <hostname> <port> <user> [password]");
}

else {
        CrackSMTP($argv[1], $argv[2], $argv[3], $argv[4]);
}

exit(0);
?>