opens a socket on port 22 and if it receives a response it attempts to obtain the machine's hostname and Top-Level Domain. 
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: opens a socket on port 22 and if it receives a response it attempts to obtain the machine's hostname and Top-Level Domain.  ### Response: T1033.