Adversaries may take actions to hide the deployment of new, or modification of existing files to obfuscate their activities.
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 take actions to hide the deployment of new, or modification of existing files to obfuscate their activities. ### Response: T1099.