php - 需要帮助解码混淆文件

Question

我从http://www.freereviewscript.com下载了一个免费的评论脚本

其中一个文件已编码，我想确保它没有任何恶意！任何帮助将非常感激！谢谢！！

php 代码（没有 php 标签）：

$ve08156dfe67="\x62\141\x73\145\x36\64\x5f\144\x65\143\x6f\144\x65";@eval($ve08156dfe67(
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MWkcreTBSY3IvaWw5QUlqNzJGNDU1OEZoYzU5Zzk4dHptcVF2Y0puT0xzT2ppMG9hWmxpeWdBMS9mVGdqaHRObTU
4cVNLVkhMY1NpTzlDSW5pY3NUWUpROXJlbjFHSi9nMW1oNzg4L1l2OUtuNmM3dUhRZlVtTTV2M2tXZHY0ZUhDdTJ
5ZUlWS2w1MlFBMTZDSSs4TWxDbE0wc21OdzViM0JPL3BQV1VZbkxOZEgrcjRXUE5FQktwS0VHSFdDWjYwUTVBSDU
3WlY1WWJEUnY1cGJpOGZpUHJ5dkVLSURaZ09mdUJiRWR5aVFxY0w0K1dXTjhFMm5yKzVmeFo1bThvbXJFTFAyQk0
3SE4wRXZPSjRsanVnN0lkQldJeUtDV3R1cHFBaGpIaGhmSGFOZUtRQUVCb1dtS0l4Y2ZXbUhia2FlQTdKYkI0OFV
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OcUNxNzhxQ29xYlNRb3BzelVGN212NWhRVHcrc1V5NGdsL2k1NjVzbzNJMjVudVNTalNQdUMydlZOUG85dkdWVHl
6REUvMGphc2gvSm9ybzY2S1o4L0JoTzZTd2puYW83Y0c0bnczelFIUXpqeExqaENXOFZCTXhQb3MzVTBDaj09Iik
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1N2Y1ZjgoKSwiXHg2M1wxNDRceDM4XDY1XHgzNlwxNDVceDMwXDE0Nlx4MzNcNjJceDM5XDcwXHg2NVw2MVx4NjN
cMTQ1XHg2M1w2NFx4NjZcNzBceDMwXDY0XHgzNFw2N1x4MzBcMTQxXHgzNVw3MVx4MzZcNzBceDM0XDE0NCIpPyR
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lMSgpOw=="));

Answer 1

顶层使用base64。解码后，您会得到以下内容（仍然被混淆）。显而易见的问题是，为什么您要使用认为这种混淆是个好主意的人的代码：

$n1b130b40fe462ea1aefaea8cf100d22="\x62";$nf9cf8e824df3b49e668a3e50b4607e5="\x65";$c813516d9d0112e7280860f9d79299b6="\x66";$oc8c57f9c3f6aabd1b26691b529588a2="\x67";$a41372c82847083035f5fa2cf3146957="\x6d";$u35faf8cb55addd989d0e4e9725c6e5c="\x6f";$l974044201e031665b549e2547d355e1="\x6f";$sd707a4691c6afe2e63a4cc7ba57f5f8="\x6f";$z17dac8612f22bd98491b5d5ed149dee="\x6f";$ed1b9cb8bc4ccf296d3d1364d34fa508="\x73";$h6a21982428642655d09788fdb5d685e="\x73";$p0154292c80f0c7bb781aaa3db8ac58d="\x73";$rd631d506731d8e924884ad7003295ba="\x73";$n1b130b40fe462ea1aefaea8cf100d22.="\141";$nf9cf8e824df3b49e668a3e50b4607e5.="\162";$c813516d9d0112e7280860f9d79299b6.="\151";$oc8c57f9c3f6aabd1b26691b529588a2.="\172";$a41372c82847083035f5fa2cf3146957.="\144";$u35faf8cb55addd989d0e4e9725c6e5c.="\142";$l974044201e031665b549e2547d355e1.="\142";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\142";$z17dac8612f22bd98491b5d5ed149dee.="\142";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\164";$h6a21982428642655d09788fdb5d685e.="\164";$p0154292c80f0c7bb781aaa3db8ac58d.="\164";$rd631d506731d8e924884ad7003295ba.="\164";$n1b130b40fe462ea1aefaea8cf100d22.="\x73";$nf9cf8e824df3b49e668a3e50b4607e5.="\x65";$c813516d9d0112e7280860f9d79299b6.="\x6c";$oc8c57f9c3f6aabd1b26691b529588a2.="\x69";$a41372c82847083035f5fa2cf3146957.="\x35";$u35faf8cb55addd989d0e4e9725c6e5c.="\x5f";$l974044201e031665b549e2547d355e1.="\x5f";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x5f";$z17dac8612f22bd98491b5d5ed149dee.="\x5f";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\x72";$h6a21982428642655d09788fdb5d685e.="\x72";$p0154292c80f0c7bb781aaa3db8ac58d.="\x72";$rd631d506731d8e924884ad7003295ba.="\x72";$n1b130b40fe462ea1aefaea8cf100d22.="\145";$nf9cf8e824df3b49e668a3e50b4607e5.="\147";$c813516d9d0112e7280860f9d79299b6.="\145";$oc8c57f9c3f6aabd1b26691b529588a2.="\156";$u35faf8cb55addd989d0e4e9725c6e5c.="\145";$l974044201e031665b549e2547d355e1.="\145";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\147";$z17dac8612f22bd98491b5d5ed149dee.="\163";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\137";$h6a21982428642655d09788fdb5d685e.="\137";$p0154292c80f0c7bb781aaa3db8ac58d.="\160";$rd631d506731d8e924884ad7003295ba.="\164";$n1b130b40fe462ea1aefaea8cf100d22.="\x36";$nf9cf8e824df3b49e668a3e50b4607e5.="\x5f";$c813516d9d0112e7280860f9d79299b6.="\x5f";$oc8c57f9c3f6aabd1b26691b529588a2.="\x66";$u35faf8cb55addd989d0e4e9725c6e5c.="\x6e";$l974044201e031665b549e2547d355e1.="\x6e";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x65";$z17dac8612f22bd98491b5d5ed149dee.="\x74";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\x72";$h6a21982428642655d09788fdb5d685e.="\x72";$p0154292c80f0c7bb781aaa3db8ac58d.="\x6f";$rd631d506731d8e924884ad7003295ba.="\x6f";$n1b130b40fe462ea1aefaea8cf100d22.="\64";$nf9cf8e824df3b49e668a3e50b4607e5.="\162";$c813516d9d0112e7280860f9d79299b6.="\147";$oc8c57f9c3f6aabd1b26691b529588a2.="\154";$u35faf8cb55addd989d0e4e9725c6e5c.="\144";$l974044201e031665b549e2547d355e1.="\144";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\164";$z17dac8612f22bd98491b5d5ed149dee.="\141";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\145";$h6a21982428642655d09788fdb5d685e.="\157";$p0154292c80f0c7bb781aaa3db8ac58d.="\163";$rd631d506731d8e924884ad7003295ba.="\153";$n1b130b40fe462ea1aefaea8cf100d22.="\x5f";$nf9cf8e824df3b49e668a3e50b4607e5.="\x65";$c813516d9d0112e7280860f9d79299b6.="\x65";$oc8c57f9c3f6aabd1b26691b529588a2.="\x61";$u35faf8cb55addd989d0e4e9725c6e5c.="\x5f";$l974044201e031665b549e2547d355e1.="\x5f";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x5f";$z17dac8612f22bd98491b5d5ed149dee.="\x72";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\x70";$h6a21982428642655d09788fdb5d685e.="\x74";$n1b130b40fe462ea1aefaea8cf100d22.="\144";$nf9cf8e824df3b49e668a3e50b4607e5.="\160";$c813516d9d0112e7280860f9d79299b6.="\164";$oc8c57f9c3f6aabd1b26691b529588a2.="\164";$u35faf8cb55addd989d0e4e9725c6e5c.="\143";$l974044201e031665b549e2547d355e1.="\146";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\143";$z17dac8612f22bd98491b5d5ed149dee.="\164";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\154";$h6a21982428642655d09788fdb5d685e.="\61";$n1b130b40fe462ea1aefaea8cf100d22.="\x65";$nf9cf8e824df3b49e668a3e50b4607e5.="\x6c";$c813516d9d0112e7280860f9d79299b6.="\x5f";$oc8c57f9c3f6aabd1b26691b529588a2.="\x65";$u35faf8cb55addd989d0e4e9725c6e5c.="\x6c";$l974044201e031665b549e2547d355e1.="\x6c";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x6f";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\x61";$h6a21982428642655d09788fdb5d685e.="\x33";$n1b130b40fe462ea1aefaea8cf100d22.="\143";$nf9cf8e824df3b49e668a3e50b4607e5.="\141";$c813516d9d0112e7280860f9d79299b6.="\143";$u35faf8cb55addd989d0e4e9725c6e5c.="\145";$l974044201e031665b549e2547d355e1.="\165";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\156";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\143";$n1b130b40fe462ea1aefaea8cf100d22.="\x6f";$nf9cf8e824df3b49e668a3e50b4607e5.="\x63";$c813516d9d0112e7280860f9d79299b6.="\x6f";$u35faf8cb55addd989d0e4e9725c6e5c.="\x61";$l974044201e031665b549e2547d355e1.="\x73";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x74";$ed1b9cb8bc4ccf296d3d1364d34fa508.="\x65";$n1b130b40fe462ea1aefaea8cf100d22.="\144";$nf9cf8e824df3b49e668a3e50b4607e5.="\145";$c813516d9d0112e7280860f9d79299b6.="\156";$u35faf8cb55addd989d0e4e9725c6e5c.="\156";$l974044201e031665b549e2547d355e1.="\150";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\145";$n1b130b40fe462ea1aefaea8cf100d22.="\x65";$c813516d9d0112e7280860f9d79299b6.="\x74";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x6e";$c813516d9d0112e7280860f9d79299b6.="\145";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\164";$c813516d9d0112e7280860f9d79299b6.="\x6e";$sd707a4691c6afe2e63a4cc7ba57f5f8.="\x73";$c813516d9d0112e7280860f9d79299b6.="\164";$c813516d9d0112e7280860f9d79299b6.="\x73";$z17dac8612f22bd98491b5d5ed149dee();if($a41372c82847083035f5fa2cf3146957($nf9cf8e824df3b49e668a3e50b4607e5("\x5c\50\x22\133\x30\55\x39\101\x2d\132\x61\55\x7a\134\x2b\57\x3d\135\x2a\42\x5c\51","\x28\42\x22\51",$ed1b9cb8bc4ccf296d3d1364d34fa508("\r\n","",$c813516d9d0112e7280860f9d79299b6($rd631d506731d8e924884ad7003295ba(__FILE__,"\x28")))))=="\x38\60\x38\143\x33\60\x38\65\x34\71\x37\146\x33\146\x62\70\x32\67\x31\61\x66\71\x31\143\x36\142\x66\70\x39\146\x38\67"){@eval($oc8c57f9c3f6aabd1b26691b529588a2($n1b130b40fe462ea1aefaea8cf100d22($h6a21982428642655d09788fdb5d685e("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"))));}$p0154292c80f0c7bb781aaa3db8ac58d($sd707a4691c6afe2e63a4cc7ba57f5f8(),"\x63\144\x38\65\x36\145\x30\146\x33\62\x39\70\x65\61\x63\145\x63\64\x66\70\x30\64\x34\67\x30\141\x35\71\x36\70\x34\144")?$u35faf8cb55addd989d0e4e9725c6e5c():$l974044201e031665b549e2547d355e1();

经过一些扩展后，在 if （我认为是反混淆检查）中，您会得到：

@eval(gzinflate(base64_decode(str_rot13("gIugo9AVRC4eitvOwHYMKn/gcY0JEJ3tdtAnWrUQ6KXXRafAxHbncFaUPseso97JqxYnHtE86YYerK1zqzL2m5/zEFqWaFcw0+04aoipyu1yonnzFGsg2BYc8kqUi79LsytTjnCC2u62kc9GZ9MJwm9aZnjW7O3i0jY3eDZxGVwDPxR61bxJDgkoWxb9RK7ZDTdFjy7QvxDvXFZvYlSaPHaWn9LEMwNSOZUXGO3CyUe7LitbzgXFAq0acRgPhzVJeUSJB52WQ9AqETz2FGDwVyEaEP0FWnlB9aUgTjTDZzB+mMvXU1LD81NJFRtDbb2WzPZsUK0RjkAS4yCA56H/W6+ABTwRqtK0yf0u8mtrEz0mrMAFjjF6Vxt4I7LWQOUDNHAzz5PWTLFBnsvRmCZlPU/Q7NcOttHWWz5SHsPypBI84EdU7rQxqAN/Uc0A/cbZ++r9DD/+Tk0RA5fvRuPhDotSMV3qReK1fH0MT9M/WcBKc6/7x0xR/76EQCUEOgNTkZxqgRgeSYcg8B2RcAS+g0MNKNTwapRdI0GSLw4NPrPlNtOpc0liZs3tKAa6BkdPpuV0ET1o+2hHgVCO2qybE3jlItCMm+WYQtzl3LadNkvoXQpN3zzYlKtyS+7ZaohWWMpdqpSrpQYpUIVg3O5gmOKXTHFmD2dEO2grrUr5vbYUw6zfoqQSsZhkMSwY1474yADLeWxLbBCra/3W8qztCmy9r/m63Hy/pg4o/DTT41YsZGwNHWWQ8Xq3sw6Oz+v339OvNs0OplW0B7w9Ra2GKbievjiNqmBE74UJp90R7hYXCHmsoEt83VMopHquAm5w5bi84ecjVERXDLiucZ48b87fYMVrwzHIrji3iYdtR9OdwCTtWdOjcHmQ4h0ge+Jl/5ekfRdv2TtyExxYXnHc5OkqCXrbvkSRMlwdWPoqozqxx2Ry1irmEVGC6WtmcWXEcJWcYdcSAYMHyfK1PlQKpnA+7DtA1tieuO7RzLGelB7DfEcWn+CmDmTMDLrylqyTx6hNXOfQx1lQQCyta6YpQd+jEmHbKiCgVW89ZwitGhKpF/rj4jeaBkOfmzp0afDIAGsb7xoZiIPnLxEW5HeTlwWqTjqveqeVmX3p2xtr82PmqWH75Sh3GvzxZuhdXIzFOhkrIfmZ21SFDgngYXiaGRy/qAH4hZs9logusmQcQjnADJE+qrKJ4nCWd/7b71MgIMd3/hSdirgYpUu4TZu4F1sIm8M1OUjULAlt8a9MhsK1nbS6fMvu7ahIumwf7s7rQub125pBtgbFDEE8/Eepk64SipVaPWI1LZG+y0Rcr/il9AIj72F4558Fhc59g98tzmqQvcJnOLsOji0oaZliygA1/fTgjhtNm58qSKVHLcSiO9CInicsTYJQ9ren1GJ/g1mh788/Yv9Kn6c7uHQfUmM5v3kWdv4eHCu2yeIVKl52QA16CI+8MlClM0smNw5b3BO/pPWUYnLNdH+r4WPNEBKpKEGHWCZ60Q5AH57ZV5YbDRv5pbi8fiPryvEKIDZgOfuBbEdyiQqcL4+WWN8E2nr+5fxZ5m8omrELP2BM7HN0EvOJ4ljug7IdBWIyKCWtupqAhjHhhfHaNeKQAEBoWmKIxcfWmHbkaeA7JbB48UdWrnyk4UU4E+2uykN41D50PaR/WVrY6RQTVi2GHtSsL8Ylb6WNuTSVMdT3Q+8VUUZnXFxpwopDi5r540x9vnr0wKB+Nfo3nSB9gwB8RHnBWFrus2FTJbgKHLIQafd+uQH0I7HyRsWLFclE6vhgj7v6FPrf3YpF/1WgCaawLyl9uV00XA8eLhYBZP+3wRWUwrkGK+RF8tTIWosLOwwEaqHxySNm0apVQwkS5RyI2ENgwqr3GfIquHNRYYavJI9miW1c5E0qJjzNbePuUo73+jttqVx0T5iIi074OmQJTemyijovKNcnkvi5XK5GnsTip0pBb+0bWrn5V8g/svW25Ne4chVsNyWknooELwN3a+eqxSRmfnLk0JwOfCb9ceXVszZj9H8pWTIT3BNqCq78qCoqbSQopszUF7mv5hQTw+sUy4gl/i565so3I25nuSSjSPuC2vVNPo9vGVTyzDE/0jash/Joro66KZ8/BhO6Swjnao7cG4nw3zQHQzjxLjhCW8VBMxPos3U0Cj=="))));}

这转化为：

/*cd856e0f3298e1cec4f804470a59684d*/?><?php  $x14="\x62\141\x73\145\x6e\141\x6d\145"; $x15="\x64\145\x66\151\x6e\145\x64"; $x16="\x64\151\x72\156\x61\155\x65"; $x17="\x66\151\x6c\145\x5f\145\x78\151\x73\164\x73"; $x18="\x66\165\x6e\143\x74\151\x6f\156\x5f\145\x78\151\x73\164\x73"; $x19="\x69\156\x69\137\x73\145\x74"; $x1a="\x69\156\x69\137\x67\145\x74"; $x1b="\x6f\142\x5f\147\x65\164\x5f\143\x6c\145\x61\156"; $x1c="\x6f\142\x5f\163\x74\141\x72\164"; $x1d="\x72\157\x75\156\x64"; $x1e="\x73\150\x61\61"; $x1f="\x73\164\x72\137\x72\145\x70\154\x61\143\x65"; $x20="\x73\164\x72\163\x74\162"; $x21="\x73\165\x62\163\x74\162"; $x22="\x74\162\x69\147\x67\145\x72\137\x65\162\x72\157\x72"; if (!$x15("\x44\123")) {define("\x44\123", DIRECTORY_SEPARATOR); } if (!$x15("\x52\117\x4f\124")) {define("\x52\117\x4f\124", $x16($x16($x16(__FILE__)))); } if (!$x15("\x41\120\x50\137\x44\111\x52")) {define("\x41\120\x50\137\x44\111\x52", $x14($x16($x16(__FILE__)))); } if (!$x15("\x43\101\x4b\105\x5f\103\x4f\122\x45\137\x49\116\x43\114\x55\104\x45\137\x50\101\x54\110")) {define("\x43\101\x4b\105\x5f\103\x4f\122\x45\137\x49\116\x43\114\x55\104\x45\137\x50\101\x54\110", ROOT); } if (!$x15("\x57\105\x42\122\x4f\117\x54\137\x44\111\x52")) {define("\x57\105\x42\122\x4f\117\x54\137\x44\111\x52", $x14($x16(__FILE__))); } if (!$x15("\x57\127\x57\137\x52\117\x4f\124")) {define("\x57\127\x57\137\x52\117\x4f\124", $x16(__FILE__) . DS); } if (!$x15("\x43\117\x52\105\x5f\120\x41\124\x48")) {if ($x18("\x69\156\x69\137\x73\145\x74") && $x19("\x69\156\x63\154\x75\144\x65\137\x70\141\x74\150", CAKE_CORE_INCLUDE_PATH . PATH_SEPARATOR . ROOT . DS . APP_DIR . DS . PATH_SEPARATOR . $x1a("\x69\156\x63\154\x75\144\x65\137\x70\141\x74\150"))) { define("\x41\120\x50\137\x50\101\x54\110", null); define("\x43\117\x52\105\x5f\120\x41\124\x48", null);} else { define("\x41\120\x50\137\x50\101\x54\110", ROOT . DS . APP_DIR . DS); define("\x43\117\x52\105\x5f\120\x41\124\x48", CAKE_CORE_INCLUDE_PATH . DS);} } if (!include(CORE_PATH . "\x63\141\x6b\145" . DS . "\x62\157\x6f\164\x73\164\x72\141\x70\56\x70\150\x70")) {$x22("\x43\141\x6b\145\x50\110\x50\40\x63\157\x72\145\x20\143\x6f\165\x6c\144\x20\156\x6f\164\x20\142\x65\40\x66\157\x75\156\x64\56\x20\40\x43\150\x65\143\x6b\40\x74\150\x65\40\x76\141\x6c\165\x65\40\x6f\146\x20\103\x41\113\x45\137\x43\117\x52\105\x5f\111\x4e\103\x4c\125\x44\105\x5f\120\x41\124\x48\40\x69\156\x20\101\x50\120\x2f\167\x65\142\x72\157\x6f\164\x2f\151\x6e\144\x65\170\x2e\160\x68\160\x2e\40\x20\111\x74\40\x73\150\x6f\165\x6c\144\x20\160\x6f\151\x6e\164\x20\164\x6f\40\x74\150\x65\40\x64\151\x72\145\x63\164\x6f\162\x79\40\x63\157\x6e\164\x61\151\x6e\151\x6e\147\x20\171\x6f\165\x72\40" . DS . "\x63\141\x6b\145\x20\143\x6f\162\x65\40\x64\151\x72\145\x63\164\x6f\162\x79\40\x61\156\x64\40\x79\157\x75\162\x20" . DS . "\x76\145\x6e\144\x6f\162\x73\40\x72\157\x6f\164\x20\144\x69\162\x65\143\x74\157\x72\171\x2e", E_USER_ERROR); } if (isset($_GET["\x75\162\x6c"]) && $_GET["\x75\162\x6c"] === "\x66\141\x76\151\x63\157\x6e\56\x69\143\x6f") {return; } elseif ((isset($_GET["\x75\162\x6c"]) && ($x20($_GET["\x75\162\x6c"], "\x69\156\x73\164\x61\154\x6c") || $x20($_GET["\x75\162\x6c"], "\x61\144\x6d\151\x6e"))) || !$x17(CONFIGS.DS."\x64\141\x74\141\x62\141\x73\145\x2e\160\x68\160")) {$x0b = new Dispatcher();$x0b->dispatch(null, array(), true);} else {App::import("\x4d\157\x64\145\x6c", "\x53\145\x74\164\x69\156\x67");$x0c = new Setting();$x0c->id = 1;$x0d = $x1f("\x2d", '', $x0c->field("\x6c\151\x63\145\x6e\163\x65"));$x0e = frencoder();$x0f = $x0e("\x52\154\x4a\106\x52\126\x4a\106\x56\153\x6c\106\x56\61\x4e\104\x55\153\x6c\121\x56\103\x35\104\x54\60\x30\75");$x10 = $x1f("\x77\167\x77\56","", env("\x48\124\x54\120\x5f\110\x4f\123\x54"));$x11 = (up($x21($x1e($x10.$x0f), 0, 16)) == $x0d);if ($x11) {$x0b = new Dispatcher();$x0b->dispatch(null, array(), true);} else {$x1c();$x0b = new Dispatcher();$x0b->dispatch(null, array(), true);$x12 = $x1b();if ($x20($x12, "\x50\157\x77\145\x72\145\x64\40\x42\171\x3a\40\x3c\141\x20\150\x72\145\x66\75\x22\150\x74\164\x70\72\x2f\57\x77\167\x77\56\x66\162\x65\145\x72\145\x76\151\x65\167\x73\143\x72\151\x70\164\x2e\143\x6f\155\x22\40\x74\141\x72\147\x65\164\x3d\42\x5f\142\x6c\141\x6e\153\x22\76\x46\162\x65\145\x20\122\x65\166\x69\145\x77\40\x53\143\x72\151\x70\164\x3c\57\x61\76\x3c\142\x72\40\x2f\76\x50\162\x6f\166\x69\144\x65\144\x20\102\x79\72\x20\74\x61\40\x68\162\x65\146\x3d\42\x68\164\x74\160\x3a\57\x2f\167\x77\167\x2e\154\x6f\147\x6f\156\x65\162\x64\163\x2e\143\x6f\155\x22\40\x74\141\x72\147\x65\164\x3d\42\x5f\142\x6c\141\x6e\153\x22\76\x4c\157\x67\157\x20\104\x65\163\x69\147\x6e\74\x2f\141\x3e\40\x7c\40\x3c\141\x20\150\x72\145\x66\75\x22\150\x74\164\x70\72\x2f\57\x77\167\x77\56\x68\157\x73\164\x65\144\x64\145\x73\151\x67\156\x73\56\x63\157\x6d\42\x20\164\x61\162\x67\145\x74\75\x22\137\x62\154\x61\156\x6b\42\x3e\127\x65\142\x20\104\x65\163\x69\147\x6e\74\x2f\141\x3e")) {echo $x12;}} } if (Configure::read() > 0) {echo "\x3c\41\x2d\55\x20" . $x1d(getMicrotime() - $TIME_START, 4) . "\x73\40\x2d\55\x3e"; }?>

经过更多解码，主要代码为：

if (!defined('DS')) 
{
define('DS', DIRECTORY_SEPARATOR); } 
if (!defined('ROOT')) 
{
define('ROOT', dirname(dirname(dirname(__FILE__)))); 
} 
if (!defined('APP_DIR')) 
{
define('APP_DIR', basename(dirname(dirname(__FILE__)))); 
} 
if (!defined('CAKE_CORE_INCLUDE_PATH')) 
{
define('CAKE_CORE_INCLUDE_PATH', ROOT); 
} 
if (!defined('WEBROOT_DIR')) 
{
define('WEBROOT_DIR', basename(dirname(__FILE__))); 
} 
if (!defined('WWW_ROOT')) 
{
define('WWW_ROOT', dirname(__FILE__) . DS); 
} 
if (!defined('CORE_PATH')) 
{
if (function_exists('ini_set') && ini_set(include_path, CAKE_CORE_INCLUDE_PATH . PATH_SEPARATOR . ROOT . DS . APP_DIR . DS . PATH_SEPARATOR . ini_get(include_path))) 
{ 
    define('APP_PATH', null); 
    define('CORE_PATH', null);
} 
else 
{ 
    define('APP_PATH', ROOT . DS . APP_DIR . DS); 
    define('CORE_PATH', CAKE_CORE_INCLUDE_PATH . DS);
} 
} 
if (!include(CORE_PATH . 'cake' . DS . 'bootstrap.php')) 
{
trigger_error('CakePHP core could not be found.  Check the value of CAKE_CORE_INCLUDE_PATH in APP/webroot/index.php.  It should point to the directory containing your' . DS . 'cake core directory and your' . DS . 'vendors root directory.', E_USER_ERROR); 
} 
if (isset($_GET['url']) && $_GET['url'] === "\x66\141\x76\151\x63\157\x6e\56\x69\143\x6f") 
{
return; 
} 
elseif ((isset($_GET['url']) && (strstr($_GET['url'], 'install') || strstr($_GET['url'], 'admin'))) || !file_exists(CONFIGS.DS.'database.php')) 
{
$x0b = new Dispatcher();
$x0b->dispatch(null, array(), true);
} 
else 
{
App::import('Model', 'Setting');
$x0c = new Setting();
$x0c->id = 1;
$x0d = str_replace('-', '', $x0c->field('license'));
$x0f = 'FREEREVIEWSCRIPT.COM';
$x10 = str_replace('www.',"", env('HTTP_HOST'));
$x11 = (up(substr(sha1($x10.$x0f), 0, 16)) == $x0d);
if ($x11) 
{
    $x0b = new Dispatcher();
    $x0b->dispatch(null, array(), true);
} 
else 
{
    ob_start();
    $x0b = new Dispatcher();
    $x0b->dispatch(null, array(), true);
    $x12 = ob_get_clean();
    if (strstr($x12, 'Powered By: <a href="http://www.freereviewscript.com" target="_blank">Free Review Script</a><br />Provided By: <a href="http://www.logonerds.com" target="_blank">Logo Design</a> | <a href="http://www.hosteddesigns.com" target="_blank">Web Design</a>')) 
    {
    echo $x12;
    }
} 
} 
if (Configure::read() > 0) 
{
echo '<!--' . round(getMicrotime() - $TIME_START, 4) . 's -->'; 
}?>