CERTIVIEW

Wednesday, 27 July 2016

CEH v9 Question of the Week: Password Cracking Tool

CEH-v9-QOWBlack

Johnny is a member of the hacking group Orpheus1. He is currently working on breaking into the Department of Defense’s front end Exchange Server. He was able to get into the server, located in a DMZ, by using an unused service account that had a very weak password that he was able to guess. Johnny wants to crack the administrator password, but does not have a lot of time to crack it. He wants to use a tool that already has the LM hashes computed for all possible permutations of the administrator password.

What tool would be best used to accomplish this?

A. SMBCrack
B. RainbowTables
C. SmurfCrack
D. PSCrack

Reveal Answer

The correct answer is B.

A rainbow table is a precomputed table for reversing cryptographic hash functions, usually for cracking password hashes. Tables are usually used in recovering a plaintext password up to a certain length, consisting of a limited set of characters.

 

Related Course
Certified Ethical Hacker v9

CEH v9 Question of the Week Series

  • CEH v9 Question of the Week: Retina Scanners
  • CEH v9 Question of the Week: Employee Behavior
  • CEH v9 Question of the Week: CVE-2007-2447
  • CEH v9 Question of the Week: SQL Injection
  • CEH v9 Question of the Week: Web Application Penetration Testing
  • CEH v9 Question of the Week: iptables
  • CEH v9 Question of the Week: Examine Streams of Packets
  • CEH v9 Question of the Week: Scans
  • CEH v9 Question of the Week: SQL Injection
  • CEH v9 Question of the Week: Standard Risk Assessment
  • CEH v9 Question of the Week: Penetration Testing
  • CEH v9 Question of the Week: SMB Over TCP/IP
  • CEH v9 Question of the Week: Block Cipher
  • CEH v9 Question of the Week: Prevent Future DoS Attacks
  • CEH v9 Question of the Week: Same MAC Address
  • CEH v9 Question of the Week: XSS Scripting
  • CEH v9 Question of the Week: Sniff a Switched Network
  • CEH v9 Question of the Week: TCP/IP Session Hijacking
  • CEH v9 Question of the Week: Firewall Traffic
  • CEH v9 Question of the Week: Full TCP connection
  • CEH v9 Question of the Week: Password Cracking Tool


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