has modified registry keys of ComSysApp Svchost and xmlProv on the machine to gain persistence.(Citation: Medium KONNI Jan 2020) 
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 modified registry keys of ComSysApp Svchost and xmlProv on the machine to gain persistence.(Citation: Medium KONNI Jan 2020)  ### Response: T1112.