has used several malicious applications that abused OAuth access tokens to gain access to target email accounts including Gmail and Yahoo Mail.
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 several malicious applications that abused OAuth access tokens to gain access to target email accounts including Gmail and Yahoo Mail. ### Response: T1550.001.