How Does DNS Tunneling Exfiltrate Data

question 44

Multiple Choice

How does DNS Tunneling exfiltrate data?

• A) An attacker registers a domain that a client connects to based on DNS records and sends malware through that connection.
• B) An attacker opens a reverse DNS shell to get into the client's system and install malware on it.
• C) An attacker sends an email to the target with hidden DNS resolvers in it to redirect them to a malicious domain.
• D) An attacker uses a non-standard DNS port to gain access to the organization's DNS servers in order to poison the resolutions.

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Definitions:

DEPT-135

A specialized NMR spectroscopy technique used to differentiate between CH, CH2, and CH3 groups in molecules.

Quaternary

Refers to the fourth-order structure in chemistry or the presence of four different groups attached to a central carbon atom.

Proton Spin Decoupled

A technique used in NMR spectroscopy where the interaction between different hydrogen nuclei ("spin coupling") is removed, simplifying the spectrum.

NMR Spectra

The graphical representation obtained from nuclear magnetic resonance spectroscopy, which provides detailed information about the structure of molecules.