has modified files based on the open-source project cryptcat in an apparent attempt to decrease AV detection rates.
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 modified files based on the open-source project cryptcat in an apparent attempt to decrease AV detection rates. ### Response: T1027.005.