C2 traffic has been encrypted with RC4 and AES.(Citation: Mandiant No Easy Breach)
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: C2 traffic has been encrypted with RC4 and AES.(Citation: Mandiant No Easy Breach) ### Response: T1573.001.