1737
The cybercriminal gang is using sophisticated phishing attacks and customised malware in order to infect victims ' machines and then gain access to IT providers and their customer networks .
 ( phishing: phishing attacks,  The cybercriminal gang: attacker, customised malware: tool, infect victims ' machines: purpose, gain access: purpose) 
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: phishing attacks,  The cybercriminal gang: attacker, customised malware: tool, infect victims ' machines: purpose, gain access: purpose) 