1. JohnTroony's php-webshells repository. https://github.com/JohnTroony/php-webshells. JohnTroony's php-webshells repository. https://github.com/JohnTroony/php-webshells.
2. Nikicat's web-malware-collection repository. https://github.com/nikicat/web-malware-collection/tree/master/Backdoors/PHP. Nikicat's web-malware-collection repository. https://github.com/nikicat/web-malware-collection/tree/master/Backdoors/PHP.
3. Tennc's webshell repository. https://github.com/tennc/webshell/. Tennc's webshell repository. https://github.com/tennc/webshell/.
4. UnPHP the Online PHP Decoder. http://www.unphp.net/. UnPHP the Online PHP Decoder. http://www.unphp.net/.
5. Web Shells and RFIs Collection. http://www.irongeek.com/i.php?page=webshells-and-rfis. Web Shells and RFIs Collection. http://www.irongeek.com/i.php?page=webshells-and-rfis.