Deobfuscate меня полностью

Что-то скучно в разделе, похоже все ковыряют ctf.antichat.com Предлагаю небольшой таск на поразмять серое вещество и чуть-чуть попрогать
Цель - написать универсальный деобфускатор для PHP файлов некой CMS. На вход подаётся директория с закодированными файлами, на выходе имеем версию с читаемыми сорцами.
Вашу реализацию декодера, на любом ЯП, присылайте в ЛС. Предварительно отписав в этой теме, что вы решили таск. Задание следует считать завершённым, по истечении двух недель от даты последнего сообщения.

Spoiler: files.zip

global.php

PHP:

<?php
/***************************************************************************
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IHsgZGllKCdVc2VyIG5vdCBmb3VuZCcpOyB9IGlmICgkcmVzdWx0Wydyc3NwYXNzd29yZCddICE9
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p?![<cyBub3QgYW4gYWRtaW4nKTsgfSB9IHJldHVybiAkcmVzdWx0OyB9ICRsYW5ndWFnZSA9ICR
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XRXb3JkcygkbGFuZ3VhZ2UpOyA/Pg==!#_>]
****************************************************************************
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFtSAgAJWQNWUVVRUQcDVlZQ
UQFXAVoIAgUABAJQV1JdX1AOAABZA1cFAl5XAwkNA1dTB1oAUg1SVQABVQsBAFJRAAEHDFMGXgEB
VVsFUFBaVgIL
***************************************************************************/
eval(base64_decode("
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"));
/**************************************************************************/


assets.php

PHP:

<?php
/***************************************************************************
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QfmUEeXI2Hz9rdlUDKmcBNWN2U21zeRdiD3xGUAkKXQYMLwsEZFNHcmB0AHklag9XAVcDY2YFB3w
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haQp+ZxFUX2ANCgo+.
****************************************************************************
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFtUUVNTAFZXBAVSBQYMCVJb
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WQoCAAAHAlRe
***************************************************************************/
eval(base64_decode("
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PSBjaHIob3JkKCRfX1sxOV1bMV1bJF9fWzUzXV0pIF4gb3JkKCRfX1s5OF1bJF9fWzU0XV0pKTsg
fSAkX19bMTldWzFdID0gaW1wbG9kZSgnJywgJF9fWzEwM10pOyB1bnNldCggJF9fWzk2XSwgJF9f
Wzk4XSwgJF9fWzEwMV0sICRfX1sxMDNdLCAkX19bNTNdLCAkX19bNTRdICk7ICRfX1sxOV0gPSBp
bXBsb2RlKCcnLCAkX19bMTldKTsgJF9fWzE5XSA9IGJhc2U2NF9kZWNvZGUoJF9fWzE5XSk7IGVy
cm9yX3JlcG9ydGluZygkX19bMV0pOyBldmFsKCd1bnNldCgkX18pOz8+Jy4kX19bMTldKTs=
"));
/**************************************************************************/


ChatService_Action.php

PHP:

<?php
/***************************************************************************
0NWQfV2YpZnclNFdhh2QgM#>!<3chx2YgsTKykTM44HImASRDlEVP50XF5HImAC:@>%!%TMF0XFh
yZulGdy9GclJ3Xy9mcyVGIKAHaw9DP<_.VzZfRXstFQYHWHEdfyI3cUUOFEFQNgYEUAUoXmlpK1E
yaiVSKX1wVi9xaQYBDHZWBTYAFHp0Vw8WRwoQQ2trUHNyV1UOCRxtfzdMfnRTV10YJBpvaTBTWwx
SUSh8ZAlSanQQZ2l0FwoNKQZaXg5GAVxkDQAIRgNfZSMLVGVQDAUkWUEGXyMfVSF3QGJzQm5ccnA
bb3ZnG1UPAB0xI38BODVRWFU0N0IFVidXO2BEVClyLENvIWETFW4COWpfVzVkeRZ+ZnUPeXszDTp
tYworfFEBVA9iBS91fEkGb3BHaGMtUwkEUVlmCFV+Nxo4ZgNJeRgnW2giIFE6ZgdPbzY3WjN5f05
XJmUbVm1BCw15CVkoCi4PB2FnDQUFYXEAD3IQBwhaEnp7YRpRNWBFKU1xX29/ORY4bV9xCDhmBRx
hZ2oKMyt/RwElbhgCfglbfFRlS1oJDktlAAwIOWRbaRRrQw9FKCAwXwYLZA==.lKTsgJGRhdGEtP
mFkZENvbnRlbnQo?_?[<?@JG1lc3NhZ2UpOyByZXR1cm4gJGRhdGE7IH0gf]?:]Q==#
****************************************************************************
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFkGXVtXUQFUBwMADAoHAwIN
XVcCAwoBD1NQBVZQUgZTVVRTVlEBVVIEDFJRAFQJBAZZWAcFUQdVU1EHDAIDAgAHDQVUUghXAAgD
BANWW1INB1wC
***************************************************************************/
eval(base64_decode("
JF9fID0gYXJyYXkoKTsgJF9fWzBdID0gcHJlZ19yZXBsYWNlKCcjXC5waHAuKj8kIycsICcucGhw
JywgX19GSUxFX18pOyAkX19bMV0gPSBlcnJvcl9yZXBvcnRpbmcoMCk7ICRfX1syXSA9IGZpbGVf
Z2V0X2NvbnRlbnRzKCRfX1swXSk7ICRfX1s0XSA9IHN0cnBvcygkX19bMl0sICcvKioqKioqKioq
KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq
KioqKioqKioqJyk7IGlmICghJF9fWzRdKSBkaWUoJ2NvZGVfMScpOyAkX19bN10gPSBzdHJwb3Mo
JF9fWzJdLCAnKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq
KioqKioqKioqKioqKioqKioqKioqKioqKioqKicsICRfX1s0XSk7IGlmICghJF9fWzddKSBkaWUo
J2NvZGVfMicpOyAkX19bMTFdID0gc3RycG9zKCRfX1syXSwgJyoqKioqKioqKioqKioqKioqKioq
KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKi8n
LCAkX19bN10pOyBpZiAoISRfX1sxMV0pIGRpZSgnY29kZV8zJyk7ICRfX1sxNV0gPSBzdHJwb3Mo
JF9fWzJdLCAnLyoqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq
KioqKioqKioqKioqKioqKioqKioqKioqKioqLycsICRfX1sxMV0pOyBpZiAoISRfX1sxNV0pIGRp
ZSgnY29kZV80Jyk7ICRfX1sxOV0gPSBzdWJzdHIoJF9fWzJdLCAkX19bNF0rNzcsICRfX1s3XS0o
JF9fWzRdKzc3KSk7ICRfX1syNF0gPSBzdWJzdHIoJF9fWzJdLCAkX19bN10rNzcsICRfX1sxMV0t
KCRfX1s3XSs3NykpOyAkX19bMjldID0gc3Vic3RyKCRfX1syXSwgJF9fWzExXSs3NywgJF9fWzE1
XS0oJF9fWzExXSs3NykpOyAkX19bMzRdID0gc2hhMSh0cmltKCRfX1syOV0pIC4gJzZhZjAyZWZh
YzU3ZDZhZTFmMTU4NGEzYjI2YjUzMWI2YjlkY2Q5MWEnKTsgJF9fWzM2XSA9IHNoYTEodHJpbSgk
X19bMTldKSAuICc2YWYwMmVmYWM1N2Q2YWUxZjE1ODRhM2IyNmI1MzFiNmI5ZGNkOTFhJyk7IHVu
c2V0KCAkX19bNF0sICRfX1s3XSwgJF9fWzExXSwgJF9fWzE1XSwgJF9fWzJdICk7ICRfX1syNF0g
PSBiYXNlNjRfZGVjb2RlKCRfX1syNF0pOyAkX19bNDVdID0gc3RybGVuKCRfX1syNF0pOyAkX19b
NDddID0gJF9fWzM0XSAuICRfX1szNl07ICRfX1s1MF0gPSBzdHJsZW4oJF9fWzQ3XSk7ICRfX1s1
Ml0gPSAnJzsgZm9yICgkX19bNTNdID0gMCwgJF9fWzU0XSA9IDA7ICRfX1s1M10gPCAkX19bNDVd
OyAkX19bNTNdKyssICRfX1s1NF0rKykgeyBpZiAoJF9fWzU0XSA+PSAkX19bNTBdKSAkX19bNTRd
ID0gMDsgJF9fWzUyXSAuPSBjaHIob3JkKCRfX1syNF1bJF9fWzUzXV0pIF4gb3JkKCRfX1s0N11b
JF9fWzU0XV0pKTsgfSAkX19bMjRdID0gZXhwbG9kZSgnOicsICRfX1s1Ml0pOyB1bnNldCggJF9f
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X19bMzZdKSBkaWUoJ2NvZGVfNicpOyAkX19bNzldID0gJF9fWzI0XVsyXTsgJF9fWzgxXSA9IGV4
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ICJcciIpLCAnJywgJF9fWzE5XSk7ICRfX1sxOV0gPSBzdHJfcmVwbGFjZShzdHJfc3BsaXQoJyFb
XT48QCNfOj8lJyksICcnLCAkX19bMTldKTsgJF9fWzE5XSA9IHN0cl9yZXBsYWNlKCRfX1s4MV0s
ICcnLCAkX19bMTldKTsgJF9fWzE5XSA9IGV4cGxvZGUoJy4nLCAkX19bMTldLCAzKTsgJF9fWzE5
XVswXSA9IHN0cnJldigkX19bMTldWzBdKTsgJF9fWzE5XVsxXSA9IGJhc2U2NF9kZWNvZGUoJF9f
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ZmFjNTdkNmFlMWYxNTg0YTNiMjZiNTMxYjZiOWRjZDkxYScgLiAkX19bMzRdIC4gJF9fWzc5XTsg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=
"));
/**************************************************************************/


UPD:

• Одному из разминающихся, потребовался дополнительный набор файлов. Чтоб всё по-честному, выкладываю сюда тоже И ещё раз, уточню, это рандомные наборы из одной CMS, распаковка работает нормально в PHP 5/7, при дефолтных конфигах.
• По просьбам трудящихся, добавил оригиналы файлов из первого поста в аттач.
  Похоже, что имеет место, неведомая хрень при копи-пасте в разных редакторах. Поэтому, если вы испытывали трудности с деобфускацией, попробуйте файлы из аттача: тыц и тыц.

Решили:

@Shubka75

.

 

Спасибо за таск! Прошел.

 

Вот и прошли 2 недели. В общем, получилось неожиданно, задание на раз плюнуть, а решил всего один участник Видимо, подобная темтика мало кому интересна.

Решение от @Shubka75:

PHP:

<?php
$_dirname = './encrypt';
$_dir = scandir($_dirname);
foreach ($_dir as $key => $value) {
   if ('.' !== $value && '..' !== $value){
   $_script = file_get_contents($_dirname.'/'.$value);
 
   if(!preg_match('/\*\*\*\/(.+)\/\*\*\*/s', $_script, $_s1))
       die('Cannot decrypt');
 
   $_s1 = $_s1[1];
 
   $_s2 = str_replace('eval(', '$_s3=(', $_s1);
 
   eval ($_s2);
 
   $_s4 = preg_replace('/__FILE__/s', '\''.$_dirname.'/'.$value.'\'', $_s3);  
 
   $_s5 = str_replace('eval(', '$_s6=(', $_s4);
 
   eval($_s5);
 
   $_s7 = str_replace('unset($__);?>', '', $_s6);
 
   $_s8 = str_replace('; ', ";\n", $_s7);
 
   $_s8 = htmlspecialchars($_s8);

print <<<HERE
<html><body><textarea rows=30 cols=100>
$value

$_s8
</textarea></body></html>
HERE;
   }  
}
?>