SIMULATION
A company recently experienced a security incident. The security team has determined a user clicked on a link embedded in a phishing email that was sent to the entire company. The link resulted in a malware download, which was subsequently installed and run.
INSTRUCTIONS
Part 1
Review the artifacts associated with the security Incident. Identify the name of the malware, the malicious IP address, and the date and time when the malware executable entered the organization.
Part 2
Review the kill chain items and select an appropriate control for each that would improve the security posture of the organization and would have helped to prevent this incident from occurring. Each control may only be used once, and not all controls will be used.
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Firewall log:


File integrity Monitoring Report:


Malware domain list:

Vulnerability Scan Report:


Phishing Email:


Correct Answer:


Kill Chain Item:
Phishing email - Email filtering
Active links - VPN
Malicious website access - IP blocklist
Malware download - Firewall file type filter
Malware install - Restricted local user permissions
Malware execution - Updated antivirus
File encryption - Backups
Identify the following:
Malicious executable - Payroll.xlsx
Malicious IP Address - 81.161.63.103
Date/time malware entered organization- 1 Dec 2019 14:03:19