It is believed that a patch management system for an anti-virus product commonly installed among targeted companies was used to distribute the  malware.
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: It is believed that a patch management system for an anti-virus product commonly installed among targeted companies was used to distribute the  malware. ### Response: T1072.