This indicates an attack attempt against a Command Injection vulnerability in Trend Micro Control Manager.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application while handling crafted requests. A remote attacker can exploit this to execute arbitrary commands, via a crafted request.
Trend Micro SafeSync for Enterprise prior to 3.2 HF24 (build 1508)
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor