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One tried - and - true technique continues to be hiding malware inside fake versions of popular files , then distributing those fake versions via app stores .
 ( phishing: distributing,  popular files: trusted entity, be hiding malware inside fake versions: attack pattern, those fake versions: trusted entity) 
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: distributing,  popular files: trusted entity, be hiding malware inside fake versions: attack pattern, those fake versions: trusted entity) 