1730
The hacking group , called APT10 , used custom malware and spear - phishing attacks to gain access to victims ' systems .
 APT10: attacker; custom malware: tool; The hacking group: attacker; gain access to victims ' systems: attack pattern
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:
 APT10: attacker; custom malware: tool; The hacking group: attacker; gain access to victims ' systems: attack pattern