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Silence and MoneyTaker are the most dangerous threats to banks According to Group - IB , multiple groups use the Central Bank of Russia in spear - phishing operations , and for good reason , since the organization dictates regulations to financial institutions in the country and maintains a constant communication flow with them .
 multiple groups: attacker; the Central Bank of Russia: trusted entity
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: phishing 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, trusted entity 
Text: {0} 
Answer:
 multiple groups: attacker; the Central Bank of Russia: trusted entity