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files >> //var/softaculous/webasyst/update_antibot.php
<?php @unlink('update_antibot.php'); function __getRandomHexString($length = 64) { if (!__wa_is_int($length) || $length <= 0) { $length = 64; } // we will bin2hex and byte is 2 hex digit, so make a little correction and than, before method returns, make correction back $is_even = $length % 2 === 0; if (!$is_even) { $length += 1; } if (function_exists('random_bytes')) { try { $result = bin2hex(random_bytes($length / 2)); // make a correction back if (!$is_even) { $result = substr($result, 1); } return $result; } catch (Exception $e) { } } if (function_exists('openssl_random_pseudo_bytes')) { $result = openssl_random_pseudo_bytes($length / 2); if ($result) { $result = bin2hex($result); // make a correction back if (!$is_even) { $result = substr($result, 1); } return $result; } } $bytes = []; if (function_exists('random_int')) { $fn = 'random_int'; } elseif (function_exists('mt_rand')) { $fn = 'mt_rand'; } else { $fn = 'rand'; } for ($i = 0, $n = $length / 2; $i < $n; $i++) { $bytes[] = chr($fn(0, 255)); // gen one byte } $bytes = join('',$bytes); $result = bin2hex($bytes); // make a correction back if (!$is_even) { $result = substr($result, 1); } return $result; } function __wa_is_int($val) { // check against objects to avoid nasty object to int conversion errors if (!is_numeric($val)) { return false; } // Test for very large integers if (function_exists('ctype_digit')) { $val = (string) $val; if (ctype_digit($val)) { return true; } else if ($val && $val[0] == '-' && ctype_digit(substr($val, 1))) { return true; } } // typecast trick works fine for anything else except boolean true return ($val !== true) && ((string)(int) $val) === ((string) $val); } $empty_field_name = serialize('!f'. __getRandomHexString(6)); $filled_field_name = serialize('!f'. __getRandomHexString(6)); $filled_field_value = serialize(__getRandomHexString(32)); echo '<empty_field_name>'.$empty_field_name.'</empty_field_name>'; echo '<filled_field_name>'.$filled_field_name.'</filled_field_name>'; echo '<filled_field_value>'.$filled_field_value.'</filled_field_value>'; ?>
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