has used modified versions of open source PHP web shells to maintain access often adding Dinosaur references within the code.
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 modified versions of open source PHP web shells to maintain access often adding Dinosaur references within the code. ### Response: T1505.003.