uses a custom TCP protocol for C2.(Citation: Proofpoint Operation Transparent Tribe March 2016) 
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 TCP protocol for C2.(Citation: Proofpoint Operation Transparent Tribe March 2016)  ### Response: T1095.