CND Practice Question: Incident Detection Response And Threat Prediction
A security engineer is performing threat hunting on Linux servers to detect hidden rootkits modifying system call tables. Which tool is specifically designed to check for Linux kernel module tampering and hidden processes by comparing user-space output with kernel-space data structures?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Rkhunter (Rootkit Hunter)
Chkrootkit and Rootkit Hunter (Rkhunter) are standard tools used on Linux to scan for rootkits, backdoors, and local exploits.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Autopsy
Why it's wrong here
Autopsy is a graphical interface for Sleuth Kit disk forensics.
- ✗
Cisco Firepower
Why it's wrong here
Cisco Firepower is a network security gateway/firewall.
- ✗
Volatility
Why it's wrong here
Volatility is primarily a memory forensics framework rather than a native Linux live-system rootkit scanner.
- ✓
Rkhunter (Rootkit Hunter)
Why this is correct
Rkhunter scans Linux systems for rootkits, backdoors, and local exploits by checking hidden files and modified binaries.
About these practice questions
This CND question is part of Courseiva's 323-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This CND practice question is part of Courseiva's free EC-Council certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CND exam.