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how i decode this

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Apr 27.2011

i found this in the script and there are three or four like this :

[CODE]<?php ini_set(‘include_path’,dirname(__FILE__));function A4540acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){return $Xew6e79316561733d64abdf00f8e8ae48;}function b5434f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){return $Xew6e79316561733d64abdf00f8e8ae48;}function c43dsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){return $Xew6e79316561733d64abdf00f8e8ae48;}function Xdsf0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){return $Xew6e79316561733d64abdf00f8e8ae48;}function y0666f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){$x0b43c25ccf2340e23492d4d3141479dc=”;$x71510c08e23d2083eda280afa650b045=0;$x16754c94f2e48aae0d6f34280507be58=strlen($x897356954c2cd3d41b221e3f24f99bba);$x7a86c157ee9713c34fbd7a1ee40f0c5a=hexdec(‘&H’.substr($x276e79316561733d64abdf00f8e8ae48,0,2));for($x1b90e1035d4d268e0d8b1377f3dc85a2=2;$x1b90e1035d4d268e0d8b1377f3dc85a2<strlen($x276e79316561733d64abdf00f8e8ae48);$x1b90e1035d4d268e0d8b1377f3dc85a2+=2){$xe594cc261a3b25a9c99ec79da9c91ba5=hexdec(trim(substr($x276e79316561733d64abdf00f8e8ae48, $x1b90e1035d4d268e0d8b1377f3dc85a2, 2)));$x71510c08e23d2083eda280afa650b045=(($x71510c08e23d2083eda280afa650b045<$x16754c94f2e48aae0d6f34280507be58)?$x71510c08e23d2083eda280afa650b045 + 1:1);$xab6389e47b1edcf1a5267d9cfb513ce5=$xe594cc261a3b25a9c99ec79da9c91ba5 ^ ord(substr($x897356954c2cd3d41b221e3f24f99bba, $x71510c08e23d2083eda280afa650b045-1, 1));if($xab6389e47b1edcf1a5267d9cfb513ce5<=$x7a86c157ee9713c34fbd7a1ee40f0c5a)$xab6389e47b1edcf1a5267d9cfb513ce5=255+$xab6389e47b1edcf1a5267d9cfb513ce5-$x7a86c157ee9713c34fbd7a1ee40f0c5a;else $xab6389e47b1edcf1a5267d9cfb513ce5=$xab6389e47b1edcf1a5267d9cfb513ce5-$x7a86c157ee9713c34fbd7a1ee40f0c5a;$x0b43c25ccf2340e23492d4d3141479dc=$x0b43c25ccf2340e23492d4d3141479dc.chr($xab6389e47b1edcf1a5267d9cfb513ce5);$x7a86c157ee9713c34fbd7a1ee40f0c5a=$xe594cc261a3b25a9c99ec79da9c91ba5;} return $x0b43c25ccf2340e23492d4d3141479dc;}function f5434f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function j43dsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function hdsf0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function tr5434f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function f0666f0acdeed38d4cd9084ade1739498($x) { return implode(”,file($x));} function g0666f0acdeed38d4cd9084ade1739498($s){return (strstr($s,’echo’)==false?(strstr($s,’print’)==false)?(strstr($s,’sprint’)==false)?(strstr($s,’sprintf’)==false)?false:exit():exit():exit():exit());}function hyr3dsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function uygf0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function drfg34f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function jhkgvdsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;}function yrdhhdacdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba,$x276e79316561733d64abdf00f8e8ae48){if(file_exists($x456e79316561733d64abdf00f8e8ae48)){unlink($x456e79316561733d64abdf00f8e8ae48);};return $Xew6e79316561733d64abdf00f8e8ae48;} ini_set(‘include_path’,’.’);?>[/CODE]

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PHP

4 Comments(s) ↴

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@bathurst_guyApr 27.2011 — I don't believe they are "codes" but just strange function and variable names.
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@NogDogApr 27.2011 — It's easier to see the structure after "beautifying" the code. As to what's going on, I have better things to do than try to guess what someone's obfuscated code is doing. Frankly, any code that's gone to this much trouble to hide what it's doing is not code I'm interested in using, as there is so much unobfuscated and open-source PHP code out there to do the vast majority of things I might need done. I would not risk using it unless/until I did, indeed, figure out what it's doing, as such obfuscation is often used to conceal malicious code (though sometimes it is merely to try to protect the creator's intellectual property, so to speak).
[code=php]
<?php
ini_set('include_path', dirname(__FILE__));
function A4540acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function b5434f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function c43dsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function Xdsf0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function y0666f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
$x0b43c25ccf2340e23492d4d3141479dc = '';
$x71510c08e23d2083eda280afa650b045 = 0;
$x16754c94f2e48aae0d6f34280507be58 = strlen($x897356954c2cd3d41b221e3f24f99bba);
$x7a86c157ee9713c34fbd7a1ee40f0c5a = hexdec('&H' . substr($x276e79316561733d64abdf00f8e8ae48, 0, 2));
for ($x1b90e1035d4d268e0d8b1377f3dc85a2 = 2; $x1b90e1035d4d268e0d8b1377f3dc85a2 < strlen($x276e79316561733d64abdf00f8e8ae48); $x1b90e1035d4d268e0d8b1377f3dc85a2+= 2) {
$xe594cc261a3b25a9c99ec79da9c91ba5 = hexdec(trim(substr($x276e79316561733d64abdf00f8e8ae48, $x1b90e1035d4d268e0d8b1377f3dc85a2, 2)));
$x71510c08e23d2083eda280afa650b045 = (($x71510c08e23d2083eda280afa650b045 < $x16754c94f2e48aae0d6f34280507be58) ? $x71510c08e23d2083eda280afa650b045 + 1 : 1);
$xab6389e47b1edcf1a5267d9cfb513ce5 = $xe594cc261a3b25a9c99ec79da9c91ba5 ^ ord(substr($x897356954c2cd3d41b221e3f24f99bba, $x71510c08e23d2083eda280afa650b045 - 1, 1));
if ($xab6389e47b1edcf1a5267d9cfb513ce5 <= $x7a86c157ee9713c34fbd7a1ee40f0c5a) $xab6389e47b1edcf1a5267d9cfb513ce5 = 255 + $xab6389e47b1edcf1a5267d9cfb513ce5 - $x7a86c157ee9713c34fbd7a1ee40f0c5a;
else $xab6389e47b1edcf1a5267d9cfb513ce5 = $xab6389e47b1edcf1a5267d9cfb513ce5 - $x7a86c157ee9713c34fbd7a1ee40f0c5a;
$x0b43c25ccf2340e23492d4d3141479dc = $x0b43c25ccf2340e23492d4d3141479dc . chr($xab6389e47b1edcf1a5267d9cfb513ce5);
$x7a86c157ee9713c34fbd7a1ee40f0c5a = $xe594cc261a3b25a9c99ec79da9c91ba5;
}
return $x0b43c25ccf2340e23492d4d3141479dc;
}
function f5434f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function j43dsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function hdsf0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function tr5434f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function f0666f0acdeed38d4cd9084ade1739498($x)
{
return implode('', file($x));
}
function g0666f0acdeed38d4cd9084ade1739498($s)
{
return (strstr($s, 'echo') == false ? (strstr($s, 'print') == false) ? (strstr($s, 'sprint') == false) ? (strstr($s, 'sprintf') == false) ? false : exit() : exit() : exit() : exit());
}
function hyr3dsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function uygf0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function drfg34f0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function jhkgvdsd0acdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
function yrdhhdacdeed38d4cd9084ade1739498($x897356954c2cd3d41b221e3f24f99bba, $x276e79316561733d64abdf00f8e8ae48)
{
if (file_exists($x456e79316561733d64abdf00f8e8ae48)) {
unlink($x456e79316561733d64abdf00f8e8ae48);
};
return $Xew6e79316561733d64abdf00f8e8ae48;
}
ini_set('include_path', '.'); ?>
[/code]
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@justinlaylaApr 28.2011 — why to do that.i have no idea.pls tell me why?
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