has used a Trojanized version of the Windows Notepad application for an additional backdoor persistence mechanism.
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 a Trojanized version of the Windows Notepad application for an additional backdoor persistence mechanism. ### Response: T1554.