L0phtcrack is a password auditing and recovery application renowned for its ability to crack Windows passwords. A key feature of the tool is its integrated network sniffer, which can passively monitor network traffic for SMB authentication handshakes. During this process, it captures the NTLM challenge-response hashes exchanged between a client and a server. Once a hash is captured, L0phtcrack can perform offline dictionary, hybrid, or brute-force attacks to recover the original password. This combination of sniffing and cracking capabilities in a single tool directly matches the scenario described in the question.

A. This is incorrect. Passively sniffing authentication hashes (like NTLM) from network traffic and cracking them offline is a classic and well-documented attack vector against Windows environments.
B. Netbus is a Remote Access Trojan (RAT) designed for remote administration and control of a compromised machine, not for passive network sniffing and password cracking.
C. NTFSDOS is a file system driver utility that allows operating systems like MS-DOS to read data from NTFS-formatted drives. It has no networking or password cracking capabilities.

1. Mudge. (1997). L0phtCrack: A Password Auditing Tool. L0pht Heavy Industries. (This foundational whitepaper, widely cited in academic security courses, details the tool's functionality). Section "Sniffing Passwords off the Wire" describes how the tool captures NTLM challenge/response pairs for cracking.

2. Thompson, H. H. (2002). Why Security Fails. IEEE Security & Privacy, 1(1), 78-81. https://doi.org/10.1109/MSECP.2003.1193213. (This article discusses common security failures, referencing L0phtCrack on page 79 as a tool that automates the process of sniffing and cracking passwords from the network.)

3. University of California, Berkeley. (2004). CS 161: Computer Security, Lecture 15: Network Security. [Courseware]. On slide 23, L0phtCrack is explicitly mentioned as a tool that "sniffs passwords off the network" and performs dictionary attacks on the captured NTLM hashes.