has communicated with a C2 via an encrypted RC4 byte stream and AES-CBC.
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: has communicated with a C2 via an encrypted RC4 byte stream and AES-CBC. ### Response: T1573.001.