A Security Administrator Has Completed a Monthly Review of DNS

question 426

Multiple Choice

A security administrator has completed a monthly review of DNS server query logs. The administrator notices continuous name resolution attempts from a large number of internal hosts to a single Internet addressable domain name. The security administrator then correlated those logs with the establishment of persistent TCP connections out to this domain. The connections seem to be carrying on the order of kilobytes of data per week. Which of the following is the MOST likely explanation for this company?

• A) An attacker is exfiltrating large amounts of proprietary company data.
• B) Employees are playing multiplayer computer games.
• C) A worm is attempting to spread to other hosts via SMB exploits.
• D) Internal hosts have become members of a botnet.

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Definitions:

Form View

A layout or mode in database applications where data is displayed in a format similar to a paper form.

Form View

A display format in databases and applications that shows data fields for a single record, allowing for easy data entry or modification.

Datasheet View

A display format in database applications that presents data in rows and columns, similar to a spreadsheet.

Restructuring Database

The process of organizing or reorganizing a database to improve its efficiency, performance, or usability.