Quick Answer
The answer is Hashcat, as it is the best tool for a GPU-accelerated brute-force attack on NTLM hashes. Hashcat excels here because it can leverage massive parallel processing power to rapidly iterate through all combinations of an 8-character alphanumeric keyspace, which is computationally intensive for CPU-based tools like John the Ripper. On the Certified Ethical Hacker CEH exam, this scenario tests your understanding of password cracking methodologies and tool specialization—specifically that Hashcat is optimized for high-speed hash recovery using hardware acceleration, while tools like Cain & Abel are more suited for rainbow tables or dictionary attacks. A common trap is choosing John the Ripper because it is versatile, but Hashcat’s brute-force mode is explicitly designed for this task and is far faster on modern GPUs. Remember the mnemonic: “Hashcat hammers hashes with hardware” to recall its GPU advantage for brute-forcing NTLM.
This CEH practice question tests your understanding of enumeration and system hacking. 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.
During a penetration test, an analyst obtains a dump of password hashes from a Windows server. The hashes are in LM:NT format. The analyst wants to crack the NT portion using a brute-force attack on 8-character alphanumeric passwords. Which tool is BEST suited for this task?
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.
Hashcat
Hashcat supports GPU brute-force on NTLM.
John the Ripper
Why wrong: John can do brute-force but is slower than Hashcat for GPU.
RainbowCrack
Why wrong: RainbowCrack uses rainbow tables, not brute-force.
Ophcrack
Why wrong: Ophcrack uses rainbow tables, not brute-force.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Hashcat
Hashcat is a high-performance password cracker that supports GPU-accelerated brute-force attacks on NTLM hashes.
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.
Hashcat
Why this is correct
Hashcat supports GPU brute-force on NTLM.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
John the Ripper
Why it's wrong here
John can do brute-force but is slower than Hashcat for GPU.
RainbowCrack
Why it's wrong here
RainbowCrack uses rainbow tables, not brute-force.
Ophcrack
Why it's wrong here
Ophcrack uses rainbow tables, not brute-force.
Common exam traps
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.
Detailed technical explanation
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.
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 CEH exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Enumeration and System Hacking — This question tests Enumeration and System Hacking — Read the scenario before looking for a memorised answer..
The correct answer is: Hashcat — Hashcat is a high-performance password cracker that supports GPU-accelerated brute-force attacks on NTLM hashes.
Identify which CEH exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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.
Read the scenario before looking for a memorised answer.
About these practice questions
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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. During an internal penetration test, an analyst uses `enum4linux -a 10.0.0.5` and retrieves a list of local users, including an account named 'sqlsvc'. The analyst then attempts to crack the password using a dictionary attack. Which password cracking tool would be most efficient for this task?
mediumWhy C: John the Ripper is the most efficient tool for performing a dictionary attack against password hashes retrieved from a system, such as those obtained from the SAM database or via enum4linux. It supports a wide range of hash types and can be configured to use custom wordlists, making it ideal for cracking the 'sqlsvc' account password in an internal penetration test.
Last reviewed: Jun 21, 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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