(Citation: Cisco Synful Knock Evolution)(Citation: Cisco Blog Legacy Device Attacks)


ROMMON is a Cisco network device firmware that functions as a boot loader, boot image, or boot helper to initialize hardware and software when the platform is powered on or reset.
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: (Citation: Cisco Synful Knock Evolution)(Citation: Cisco Blog Legacy Device Attacks)


ROMMON is a Cisco network device firmware that functions as a boot loader, boot image, or boot helper to initialize hardware and software when the platform is powered on or reset. ### Response: T1542.004.