Quick Answer
The correct answer is Intruder, as Burp Suite Intruder is specifically designed for automating parameterized attacks like brute force password guessing against a web application login form. It works by allowing the tester to define payload positions—such as the password field—and then systematically iterate through a list of candidate values, sending each request to the target endpoint while handling session tokens and rate limiting. On the Certified Ethical Hacker CEH exam, this question tests your understanding of Burp Suite’s modular tools and their distinct purposes; a common trap is confusing Intruder with Repeater, which only sends individual manual requests rather than automating a full attack sequence. To remember this, think of Intruder as the “automated attacker” that breaks in by trying many passwords, while Repeater simply “repeats” one request at a time.
This CEH practice question tests your understanding of web application and injection attacks. 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.
A penetration tester needs to perform a brute-force attack on a web application login form. Which Burp Suite tool is specifically designed for automating parameterized attacks like password guessing?
Repeater
Why wrong: Repeater sends manual requests, not automated.
Scanner
Why wrong: Scanner is for passive/active vulnerability scanning, not brute-forcing.
Intruder
Intruder automates parameterized attacks with payloads.
Proxy
Why wrong: Proxy intercepts traffic but does not automate attacks.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Intruder
Burp Suite Intruder is specifically designed for automating parameterized attacks, such as brute-forcing login credentials, by allowing the tester to define payload positions and iterate through a list of values (e.g., passwords) against a target endpoint. Unlike other tools in Burp Suite, Intruder supports multiple attack types (Sniper, Battering Ram, Pitchfork, Cluster Bomb) and can handle rate limiting and session handling, making it ideal for password guessing.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Repeater
Why it's wrong here
Repeater sends manual requests, not automated.
Scanner
Why it's wrong here
Scanner is for passive/active vulnerability scanning, not brute-forcing.
Intruder
Why this is correct
Intruder automates parameterized attacks with payloads.
Related concept
Read the scenario before looking for a memorised answer.
Proxy
Why it's wrong here
Proxy intercepts traffic but does not automate attacks.
Common exam traps
EC-Council often tests the misconception that Repeater can be used for brute-forcing because it can resend requests, but Repeater lacks the automated payload iteration and response analysis features that Intruder provides.
Detailed technical explanation
Intruder uses a 'payload position' marker (e.g., §) to define where in the request the brute-force values are injected, and it supports payload processing rules like hashing or encoding (e.g., Base64) to match real-world authentication mechanisms. In a real-world scenario, a tester might use Intruder with a 'Cluster Bomb' attack type to brute-force both username and password fields simultaneously, while configuring 'Grep – Match' to detect a 'Login failed' string in responses to identify valid credentials.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CEH exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Web Application and Injection Attacks — This question tests Web Application and Injection Attacks — Read the scenario before looking for a memorised answer..
The correct answer is: Intruder — Burp Suite Intruder is specifically designed for automating parameterized attacks, such as brute-forcing login credentials, by allowing the tester to define payload positions and iterate through a list of values (e.g., passwords) against a target endpoint. Unlike other tools in Burp Suite, Intruder supports multiple attack types (Sniper, Battering Ram, Pitchfork, Cluster Bomb) and can handle rate limiting and session handling, making it ideal for password guessing.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A web application tester uses the following Burp Suite feature to automatically send multiple requests with different payloads to test for common vulnerabilities. Which feature is being used?
easyWhy A: Burp Intruder is designed for automated request customization and repetition, allowing fuzzing of parameters for injection flaws, brute-force attacks, and other vulnerability testing.
Last reviewed: Jun 30, 2026
This CEH 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 CEH exam.
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