has resolved  C2 server IP addresses by either converting Bitcoin blockchain transaction data to specific octets or accessing IP addresses directly within the Namecoin blockchain.(Citation: CheckPoint Redaman October 2019)
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 resolved  C2 server IP addresses by either converting Bitcoin blockchain transaction data to specific octets or accessing IP addresses directly within the Namecoin blockchain.(Citation: CheckPoint Redaman October 2019) ### Response: T1568.