uses the Invoke-Obfuscation framework to obfuscate their PowerShell and also performs other code obfuscation.  has also encoded payloads using Base64 and a framework called Dont-Kill-My-Cat (DKMC).  also encrypts the library used for network exfiltration with AES-256 in CBC mode in their macOS backdoor.(Citation: FireEye APT32 May 2017)(Citation: GitHub Invoke-Obfuscation)(Citation: ESET OceanLotus)(Citation: Cybereason Oceanlotus May 2017)(Citation: Cybereason Cobalt Kitty 2017)(Citation: ESET OceanLotus Mar 2019)
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 the Invoke-Obfuscation framework to obfuscate their PowerShell and also performs other code obfuscation.  has also encoded payloads using Base64 and a framework called Dont-Kill-My-Cat (DKMC).  also encrypts the library used for network exfiltration with AES-256 in CBC mode in their macOS backdoor.(Citation: FireEye APT32 May 2017)(Citation: GitHub Invoke-Obfuscation)(Citation: ESET OceanLotus)(Citation: Cybereason Oceanlotus May 2017)(Citation: Cybereason Cobalt Kitty 2017)(Citation: ESET OceanLotus Mar 2019) ### Response: T1027.