is malware that is inserted into a network device by patching the operating system image.(Citation: Mandiant - Synful Knock)
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 malware that is inserted into a network device by patching the operating system image.(Citation: Mandiant - Synful Knock) ### Response: T1601.001.