The answer is rootkit, as this malware type is specifically designed to achieve stealth and persistence by modifying the operating system’s kernel or system calls to hide files, processes, and network connections from security tools. This behavior directly explains the exhibit’s indicators, such as concealed processes or intercepted system calls, which are hallmarks of rootkit activity. On the Security+ SY0-701 exam, this tests your ability to distinguish rootkits from other malware like Trojans or worms, which lack deep system-level hiding capabilities. A common trap is confusing rootkits with bootkits—remember that rootkits operate at the kernel level after the OS loads, while bootkits infect the Master Boot Record before boot. For a quick memory tip, think of a rootkit as a “root-level spy” that buries itself in the system’s core to avoid detection.
SY0-701 Threats, Vulnerabilities, and Mitigations Practice Question
This SY0-701 practice question tests your understanding of threats, vulnerabilities, and mitigations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Exhibit
Administrator checks a suspected host:
tasklist /svc | findstr vpn
(no output)
netstat -ano | findstr 51433
TCP 0.0.0.0:51433 0.0.0.0:0 LISTENING 4
driverquery /v | findstr /i kbdflt2
kbdflt2.sys Unknown C:\Windows\System32\drivers\kbdflt2.sys
EDR note:
Process enumeration from user mode does not match kernel event telemetry.
Based on the exhibit, which malware type best explains the behavior?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Administrator checks a suspected host:
tasklist /svc | findstr vpn
(no output)
netstat -ano | findstr 51433
TCP 0.0.0.0:51433 0.0.0.0:0 LISTENING 4
driverquery /v | findstr /i kbdflt2
kbdflt2.sys Unknown C:\Windows\System32\drivers\kbdflt2.sys
EDR note:
Process enumeration from user mode does not match kernel event telemetry.
A
Trojan
Why wrong: A trojan disguises itself as legitimate software, but the key clue here is concealment of system activity from user-mode tools.
B
Rootkit
The exhibit shows a hidden listener associated with PID 4, an unsigned driver, and a mismatch between user-mode process enumeration and kernel telemetry. Those are classic rootkit indicators because rootkits operate at a low level to conceal processes, ports, or files from standard tools. The suspicious driver name and kernel-level inconsistency are especially strong clues that the malware is trying to hide itself from the operating system and defenders.
C
Logic bomb
Why wrong: A logic bomb waits for a condition or date before triggering a payload, such as deletion or encryption, which is not the main clue shown here.
D
Spyware
Why wrong: Spyware focuses on stealthy information collection, but the exhibit specifically shows kernel-level concealment and hidden listening services.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Rootkit
A rootkit is designed to hide its presence and the presence of other malware by modifying the operating system's kernel or system calls, allowing it to evade detection by security tools. The exhibit likely shows behavior such as file hiding, process concealment, or system call interception, which are hallmarks of rootkit activity. This aligns with the SY0-701 objective on understanding malware types and their characteristics.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Trojan
Why it's wrong here
A trojan disguises itself as legitimate software, but the key clue here is concealment of system activity from user-mode tools.
✓
Rootkit
Why this is correct
The exhibit shows a hidden listener associated with PID 4, an unsigned driver, and a mismatch between user-mode process enumeration and kernel telemetry. Those are classic rootkit indicators because rootkits operate at a low level to conceal processes, ports, or files from standard tools. The suspicious driver name and kernel-level inconsistency are especially strong clues that the malware is trying to hide itself from the operating system and defenders.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Logic bomb
Why it's wrong here
A logic bomb waits for a condition or date before triggering a payload, such as deletion or encryption, which is not the main clue shown here.
✗
Spyware
Why it's wrong here
Spyware focuses on stealthy information collection, but the exhibit specifically shows kernel-level concealment and hidden listening services.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a rootkit's stealth capabilities with a Trojan's deceptive delivery method, failing to recognize that the exhibit's focus on hiding and persistence at the OS level is unique to rootkits, not general malware types.
Trap categories for this question
Command / output trap
A logic bomb waits for a condition or date before triggering a payload, such as deletion or encryption, which is not the main clue shown here.
Detailed technical explanation
How to think about this question
Rootkits often operate at ring 0 (kernel mode) by hooking system calls like NtQuerySystemInformation or modifying the System Service Dispatch Table (SSDT) to filter out their own processes and files from API results. In real-world scenarios, rootkits like the Sony BMG XCP rootkit used driver-level cloaking to hide digital rights management software, causing widespread security concerns. Understanding the difference between user-mode rootkits (which hook user-space APIs) and kernel-mode rootkits (which modify the kernel) is critical for incident response.
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.
TExam Day Tips
→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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SY0-701 question in full detail.
Threats, Vulnerabilities, and Mitigations — This question tests Threats, Vulnerabilities, and Mitigations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Rootkit — A rootkit is designed to hide its presence and the presence of other malware by modifying the operating system's kernel or system calls, allowing it to evade detection by security tools. The exhibit likely shows behavior such as file hiding, process concealment, or system call interception, which are hallmarks of rootkit activity. This aligns with the SY0-701 objective on understanding malware types and their characteristics.
What should I do if I get this SY0-701 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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