is obscured using XOR encoding and appended to a valid GIF file.(Citation: FireEye Clandestine Wolf)
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: is obscured using XOR encoding and appended to a valid GIF file.(Citation: FireEye Clandestine Wolf) ### Response: T1027.