uses a custom binary protocol to beacon back to its C2 server. It has also used XOR for encrypting communications.(Citation: US-CERT Volgmer Nov 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: uses a custom binary protocol to beacon back to its C2 server. It has also used XOR for encrypting communications.(Citation: US-CERT Volgmer Nov 2017) ### Response: T1094.