An  backdoor can use HTTP over a non-standard TCP port (e.g 14146) which is specified in the backdoor configuration.
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: An  backdoor can use HTTP over a non-standard TCP port (e.g 14146) which is specified in the backdoor configuration. ### Response: T1571.