2008
In short , there has been an active infection for the last four years of an adversary attempting to compromise industrial environments by theming their malware to look like Siemens control software .
 malware: tool; control software: trusted entity; Siemens: 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:
 malware: tool; control software: trusted entity; Siemens: trusted entity