has used openssl to decrypt AES encrypted payload data.  has also used base64 and RC4 with a hardcoded key to deobfuscate data.
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 used openssl to decrypt AES encrypted payload data.  has also used base64 and RC4 with a hardcoded key to deobfuscate data. ### Response: T1140.