malware has obtained the victim username and sent it to the C2 server.(Citation: Unit 42 Magic Hound Feb 2017)(Citation: DFIR Report APT35 ProxyShell March 2022)
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: malware has obtained the victim username and sent it to the C2 server.(Citation: Unit 42 Magic Hound Feb 2017)(Citation: DFIR Report APT35 ProxyShell March 2022) ### Response: T1033.