Práctica EC-Council CEH v13

A penetration tester follows the standard five-phase ethical hacking methodology: reconnaissance, scanning, gaining access, maintaining access, and covering tracks. After successfully exploiting a web server, the tester installs a backdoor to ensure they can return without re-exploiting the vulnerability. Which phase does this action belong to?

• AReconnaissance
• BScanning
• CGaining Access
• DMaintaining Access