Evaluating Cookies to Hide Backdoors - Security Boulevard
Tiny WSO Webshell Loader
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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.
A simple PHP web backdoor allows you to retrieve directory/file contents and upload file(s) from the local machine or remote URL. | bestofphp
Short, Simple And Effective Generic PHP Backdoor Malware · Quttera web security blog
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php-backdoor-scanner/scan.php at master · soywiz-archive/php-backdoor- scanner · GitHub
Finding PHP and WordPress Backdoors using antivirus and Indicator of Compromise - WPSec
Generic PHP Backdoor Malware Without Eval · Quttera web security blog