This indicates an attack attempt against a Buffer Overflow vulnerability in Geutebrueck Gcore.
The vulnerability is caused by an error when the application handles malformed HTTP requests. A remote attacker may be able to exploit this to execute arbitrary code on vulnerable systems via a crafted HTTP request.
Geutebrueck Gcore 220.127.116.11
Geutebrueck Gcore 18.104.22.168
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently, we are unaware of any vendor supplied patch available for this issue.