is triggered by an incoming TCP connection to a legitimate service from a specific source port.(Citation: ESET Kobalos Feb 2021) 
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: is triggered by an incoming TCP connection to a legitimate service from a specific source port.(Citation: ESET Kobalos Feb 2021)  ### Response: T1205.