Adversaries may create or modify references in user document templates to conceal malicious code or force authentication attempts.
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: Adversaries may create or modify references in user document templates to conceal malicious code or force authentication attempts. ### Response: T1221.