3555
Recorded Future then ranked each vulnerability based upon how many web references linked the bug to at least one of 141 exploit kits , malicious software packages like Neutrino and RIG which abuse security flaws to infect users with TrickBot and other malware .
 ( discover vulnerability: ranked,  vulnerability: vulnerability, Recorded Future: discoverer, the bug: vulnerability, security flaws: vulnerability, infect users with TrickBot and other malware: capabilities) 
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:
 ( discover vulnerability: ranked,  vulnerability: vulnerability, Recorded Future: discoverer, the bug: vulnerability, security flaws: vulnerability, infect users with TrickBot and other malware: capabilities) 