malware has used IRC for C2.(Citation: Unit 42 Magic Hound Feb 2017)
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 used IRC for C2.(Citation: Unit 42 Magic Hound Feb 2017) ### Response: T1071.