Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Threat intelligence reports that an adversary changes domains daily and uses disposable cloud hosting, but the malware binary hash and a unique mutex name remain unchanged across incidents. Which indicator is the best candidate for immediate detection rule creation?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
The daily domain names, because they are the easiest items to collect.
These domains change quickly and are intentionally disposable, so they are poor long-term detection targets.
B
Best answer
The malware file hash, because it directly identifies the reused sample.
The file hash is the strongest immediate IOC here because the same malware sample is being reused across incidents. If the binary remains unchanged, the hash will match exactly and can be used for fast blocking or hunting. Volatile infrastructure such as domains and cloud hosting changes too frequently to serve as the primary detection point.
C
Distractor review
The cloud provider name, because the attacker uses disposable infrastructure.
Many legitimate and malicious actors use the same cloud providers, so the provider name is far too broad for detection.
D
Distractor review
The time of day the campaign was observed, because the attacker is consistent.
Timing alone is not specific enough to block or detect a particular sample reliably.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: The malware file hash, because it directly identifies the reused sample. — The malware file hash is the best immediate detection rule candidate because the intel says the same sample is reused across incidents. Hash-based detection is precise and works well when the binary remains unchanged. The rotating domains and disposable hosting are useful context, but they are too fluid to depend on as the primary indicator. The unique mutex can also help, but the hash is the most direct identifier of the exact sample. Why others are wrong: Daily domains are intentionally ephemeral, so they are weak anchors for durable detection. Cloud provider names are overly broad because both benign and malicious services use them. Time-of-day data may help analysts correlate events, but it is not specific enough to block an adversary. The best immediate IOC is the one that most directly identifies the reused malware sample.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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