Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
An EDR alert shows a Windows workstation used certutil.exe to download an encoded script, then created a scheduled task named UpdateCheck that runs every 15 minutes. The machine is also making short HTTPS connections to the same external IP. What is the best description of what the attacker is doing?
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
A buffer overflow exploit is likely corrupting memory in the operating system.
Buffer overflow attacks typically involve malformed input crashing or hijacking a process through memory corruption, which is not shown here.
B
Best answer
Living-off-the-land abuse with persistence through a scheduled task is occurring.
The attacker is using legitimate system utilities, such as certutil.exe and the Windows task scheduler, to download, execute, and persist malicious code. That pattern strongly suggests living-off-the-land abuse rather than a custom malware loader. The recurring outbound HTTPS traffic to a single external host also fits command-and-control activity. This combination is common when attackers want to blend in with normal administrative behavior and survive reboots without dropping obvious binaries.
C
Distractor review
The evidence most strongly suggests a drive-by download from a compromised browser session.
A drive-by download usually starts with a malicious website or browser exploit, not with explicit use of built-in administrative utilities and task creation.
D
Distractor review
A man-in-the-middle attack is intercepting and modifying the TLS session.
A TLS interception problem would usually present certificate warnings, proxy anomalies, or altered certificate chains, not scheduled task persistence and certutil usage.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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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?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Living-off-the-land abuse with persistence through a scheduled task is occurring. — The best answer is living-off-the-land abuse with persistence through a scheduled task. The attacker is clearly using native tools that often exist on Windows by default, which helps them avoid detection by signature-based defenses. The scheduled task provides a repeatable persistence mechanism, and the repeated HTTPS connections point to a remote control channel. Together, these indicators describe a stealthy post-compromise technique rather than a simple exploit or network spoofing issue. Why others are wrong: A buffer overflow would usually involve crashing behavior, abnormal process termination, or exploit evidence in memory, none of which is present. A drive-by download would start with a web browser exploit or malicious site interaction, not deliberate use of certutil and scheduled tasks. A man-in-the-middle attack would focus on certificate problems or intercepted traffic, but the scenario instead shows persistence tooling and outbound command activity.
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.
Discussion
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