What kind of attack does the above scenario depict?

You are working as a Security Analyst in a company XYZ that owns the whole subnet range of 23.0.0.0/8 and 192.168.0.0/8.

While monitoring the data, you find a high number of outbound connections. You see that IP’s owned by XYZ (Internal) and private IP’s are communicating to a Single Public IP. Therefore, the Internal IP’s are sending data to the Public IP.

After further analysis, you find out that this Public IP is a blacklisted IP, and the internal communicating devices are compromised.

What kind of attack does the above scenario depict?
A . Botnet Attack
B . Spear Phishing Attack
C . Advanced Persistent Threats
D . Rootkit Attack

Answer: A