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Cybersecurity experts say the unknown hackers who launched the “ ransomware ” attacks used a hole in Microsoft software that was discovered by the National Security Agency and exposed when NSA documents were leaked online .
 hackers: attacker; Microsoft software: victim; used a hole: attack pattern
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 hackers: attacker; Microsoft software: victim; used a hole: attack pattern