What is a primary feature of the Ophcrack tool?

The correct answer is B. Password cracking using rainbow tables. Ophcrack is a Windows password cracker specifically designed to recover passwords by leveraging precomputed hash lookup tables called rainbow tables - making B the correct answer. It works by comparing hashed password values against these tables rather than brute-forcing every co

Attacks and Countermeasures

Question

Options

ANetwork sniffing
BPassword cracking using rainbow tables
CExploiting web application vulnerabilities
DIntrusion detection

How the community answered

(22 responses)

A
5% (1)
B
91% (20)
C
5% (1)

Explanation

Ophcrack is a Windows password cracker specifically designed to recover passwords by leveraging precomputed hash lookup tables called rainbow tables - making B the correct answer. It works by comparing hashed password values against these tables rather than brute-forcing every combination, which dramatically speeds up the cracking process.

A (Network sniffing) is wrong - that describes tools like Wireshark or tcpdump, which capture and analyze network traffic.
C (Web application vulnerabilities) is wrong - that describes tools like Burp Suite or SQLMap.
D (Intrusion detection) is wrong - that describes tools like Snort or Suricata.

Memory tip: Think "Oph-crack cracks with a photo album" - just as a photo album gives you instant visual lookup, rainbow tables give Ophcrack instant hash lookups without brute force.

Topics

#password cracking#rainbow tables#hash cracking#Windows authentication

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