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 .
 The cybercriminal gang: attacker; customised malware: tool; infect victims ' machines: purpose; gain access: purpose
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:
 The cybercriminal gang: attacker; customised malware: tool; infect victims ' machines: purpose; gain access: purpose