Network Indicators​     Hostname IP Address Notes   mailcenter.support 221.121.138.139 Domain used to for sending spear phishes and user tracking
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: Network Indicators​     Hostname IP Address Notes   mailcenter.support 221.121.138.139 Domain used to for sending spear phishes and user tracking ### Response: T1016.