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Question:
Rick works as a network administrator for a small financial services company. Users are complaining about odd behavior that appears to be caused by a virus on their machines. After isolating the machines that he believes are infected, Rick analyzes them. He discovers that all the infected machines received an email purporting to be from accounting, with an Excel spreadsheet, and the users opened the spreadsheet. What is the MOST LIKELY problem with these machines?
A
A macro virus.
explanation
A macro virus is a malicious script (macro) embedded into a file, typically a Microsoft Office file. They are typically written in Visual Basic for Applications (VBA) script. A boot sector virus infects the boot sector of the hard drive. A Trojan horse is malware that is tied to a legitimate program. In this scenario, the malware is actually embedded in an Office document. The two are similar, but not the same. A remote access Trojan (RAT) is a Trojan horse that gives the attacker remote access to the machine.
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