This indicates an attack attempt against an Arbitrary Command Execution vulnerability in EMC AlphaStor.
The vulnerability is caused by the improper validation of requests prior to them being passed as arguments. Remote attackers can exploit this to execute arbitrary commands on vulnerable systems.
EMC AlphaStor 3.1 SP1
EMC AlphaStor 4.0 prior to build 800
System Compromise: Remote attackers can gain control of vulnerable systems.
Refer to the vendor's website for a patch.
Apply the latest update from the vendor.