This indicates an attack attempt against an Information Disclousre vulnerability in Trend Micro Control Manager.
The vulnerability is due to insufficient validation in the user supplied request, when parsing an XML external entity (XXE). A remote attacker may be able to read arbitrary files in the targeted system via a crafted HTTP request.
Trend Micro Control Manager 6.0
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the latest update from the vendor.