malware has communicated with its C2 server over ports 4443 and 3543.
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: malware has communicated with its C2 server over ports 4443 and 3543. ### Response: T1065.