The tool appears to be custom-built and, aside from its use by Whitefly, these were the only other attacks where Symantec has observed its use
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: The tool appears to be custom-built and, aside from its use by Whitefly, these were the only other attacks where Symantec has observed its use ### Response: .