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The infected device then displays a fake system screen requesting device administrator rights on behalf of fictitious “ System update ” .
 ( phishing: displays,  requesting device administrator rights: attack pattern, System update: trusted entity, a fake system screen: tool) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( phishing: displays,  requesting device administrator rights: attack pattern, System update: trusted entity, a fake system screen: tool) 