used Base64 encoding to obfuscate an  service and PowerShell commands.(Citation: FireEye Ryuk and Trickbot January 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: used Base64 encoding to obfuscate an  service and PowerShell commands.(Citation: FireEye Ryuk and Trickbot January 2019) ### Response: T1027.010.