has tested connectivity between a compromised machine and a C2 server using  with commands such as `CSIDL_SYSTEM\cmd.exe /c ping -n 1`.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: has tested connectivity between a compromised machine and a C2 server using  with commands such as `CSIDL_SYSTEM\cmd.exe /c ping -n 1`. ### Response: T1016.001.