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GIAC

GREM · Question #176

A sample performs periodic DNS queries with base64 encoded payloads. What is this behavior?

The correct answer is B. DNS tunneling. See the full explanation below for the reasoning.

Question

A sample performs periodic DNS queries with base64 encoded payloads. What is this behavior?

Options

  • APersistence
  • BDNS tunneling
  • CUAC bypass
  • DExploit chaining

How the community answered

(22 responses)
  • A
    9% (2)
  • B
    82% (18)
  • C
    5% (1)
  • D
    5% (1)

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