linux - PHP files are infected with SiteLock-PHP-BACKDOOR-GENERIC-co.UNOFFICIAL - Stack Overflow
Solution for SiteLock-PHP-BACKDOOR-GENERIC-awq.UNOFFICIAL vulnerabilities or Malicious files detected
GitHub - djeraseit/PHP-backdoor-detector: PHP backdoor detector is a Python toolkit that helps you find malicious hidden suspicious PHP scripts and shells in your site files.
Detecting & Removing PHP Backdoors From the Website
Backdooring WordPress using PyShell - WPSec
RIPS - free PHP security scanner using static code analysis