... stream. An example of this attack method in Perl is A NOTE ON WORKSTATIONS Typically masquerading as jokes, software downloads, and friendly email attachments, remote access backdoors leave ... potential security holes, both local and remote. Backdoor Kits In essence, a backdoor is a means and method used by hackers to gain, retain, and cover their access to an internetworking architecture ... obstacles such as new firewalls, filters, proxies, and patched vulnerabilities. Backdoor kits branch into two distinct categories: active and passive. Active backdoors can be used by a hacker...