This indicates that a system might be infected by TinyNuke Botnet.
TinyNuke is a malware that targets Windows platform. It contacts C&C server via HTTP requests. A remote attacker can issue commands to the malware to download and install additional files. TinyNuke can inject DLL into popular browsers and steal banking information.
Any unprotected Windows system is vulnerable
System Compromise: Remote attackers can gain control of vulnerable systems.
If required, the signature's action can be set to "Block".
Please use Anti-Virus software to scan and clean the infected computer.