While Checking Logs, a Security Engineer Notices a Number of End

question 297

Multiple Choice

While checking logs, a security engineer notices a number of end users suddenly downloading files with the .tar.gz extension. Closer examination of the files reveals they are PE32 files. The end users state they did not initiate any of the downloads. Further investigation reveals the end users all clicked on an external email containing an infected MHT file with an href link a week prior. Which of the following is MOST likely occurring?

• A) A RAT was installed and is transferring additional exploit tools.
• B) The workstations are beaconing to a command-and-control server.
• C) A logic bomb was executed and is responsible for the data transfers.
• D) A fireless virus is spreading in the local network environment.

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Definitions:

Prothallus

A gametophyte stage, particularly in ferns and lycophytes, that is free-living, photosynthetic, and produces the sexual organs where gametes are formed.

Moss Spore

The reproductive unit of mosses, capable of developing into a new individual without sexual fusion, important for moss propagation.

Microphylls

Small, simple leaves with a single unbranched vein, found in some of the earliest vascular plants.

Megaphylls

Large leaves with a complex vein structure, typically found in most species of ferns and seed plants.