CompTIA Security+ (SY0-701) SY0-701 — Question 303

A company web server is initiating outbound traffic to a low-reputation, public IP on non-standard pat. The web server is used to present an unauthenticated page to clients who upload images the company. An analyst notices a suspicious process running on the server hat was not created by the company development team. Which of the following is the most likely explanation for his security incident?