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Exam CS0-003 All Questions

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Exam CS0-003 topic 1 question 393 discussion

Actual exam question from CompTIA's CS0-003
Question #: 393
Topic #: 1
[All CS0-003 Questions]

An end user forwarded an email with a file attachment to the SOC for review. The SOC analysts think the file was specially crafted for the target. Which of the following investigative actions would best determine if the attachment was malicious?

  • A. Review the file in Virus Total to determine if the domain is associated with any phishing.
  • B. Review the email header to analyze the DKIM, DMARC, and SPF values.
  • C. Review the source IP address in AbuseIPDB.
  • D. Review the attachment’s behavior in a sandbox environment while running Wireshark.
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Suggested Answer: D 🗳️

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yeahnodontthinkso
3 months, 2 weeks ago
Selected Answer: D
D is the only one that makes sense. A) It was specifically crafted for the target, Virus Total won't pick it up. B) Email headers won't give you any useful info. C) This doesn't prove that the attachment is malicious.
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