A security analyst is performing a forensic analysis on a machine that was the subject of some historic SIEM alerts. The analyst noticed some network connections utilizing SSL on non-common ports, copies of svchost.exe and cmd.exe in %TEMP% folder, and RDP files that had connected to external IPs. Which of the following threats has the security analyst uncovered?
A.
DDoS
B.
APT
C.
Ransomware
D.
Software vulnerability
Explanation:
I’m not sure if D is the correct answer. Why not B?