This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects an attempt to access a backdoor located in phpMyAdmin.
phpMyAdmin is a web-based administration interface for MySQL databases; it is implemented in PHP.
phpMyAdmin is prone to a backdoor vulnerability. This issue occurs because of the distribution of compromised phpMyAdmin source code that contains a backdoor. Specifically, this issue affects the 'server_sync.php' script. The compromised source file is distributed through the 'cdnetworks-kr-1' SourceForge mirror.
Attackers can exploit this issue to execute arbitrary code in the context of the application. Successful attacks will compromise the affected application.
phpMyAdmin 126.96.36.199 is vulnerable; other versions may also be affected.