WAF rules can detect and block requests containing ../ (parent directory traversal) or requests to known installer scripts.
SEC-IR-2023-045 Date: October 26, 2023 Subject: Security Vulnerability Assessment: Exposed Directory Listing ("Index of /parent directory/uploads/install") Classification: Internal Use Only / High Risk index of parent directory uploads install
The attacker uploads a web shell (e.g., cmd.php , b374k , p0wny-shell ). A minimal example: WAF rules can detect and block requests containing