Answer:
Analyze network traffic
Identify the method of execution
Explanation:
Threat Hunting is a form of cybersecurity strategy carefully formulated to recognize threats that are yet to be found by routine security monitoring.
Using the approach of Threat hunting means applying unconventional techniques to determine the threats or find the origin of the malware.
Hence, in this case, the system engineer should carry out the following steps:
1. Analyze network traffic
2. Identify the method of execution