Scenario
Codebook attack is very easy to perform and can be done easily on Linux. If you do not have the password file, you need to obtain it from the target website manually or through any other means. Then, you need to convert the password hash into plain text using John The Ripper software utility.
- John The Ripper software utility is a very important program if you are going to perform a password-cracking test. It is a very efficient password cracker and can be easily used to recover passwords of any website.
- Once you have the plain text password of the target, you can search it in the codebook file and find the exact password. If your password is found in the codebook file, it means that your password is in use. It could be guessed using any other techniques and techniques.
- But if your password is not found in the codebook file, then there are chances that it is a totally new one and has never been seen before by hackers.
This type of homemade codebook is called a “newbie codebook” or “noob codebook”. - These codebooks can be created with the help of a very easy-to-use tool, which is available online. It completely works on Linux and has its own database of more than 50000 most common passwords.
What is Codebook Attack?
The codebook attack is a very common password hacking technique where the hacker guesses the passwords of a user by using common phrases and words as password phrases. Hackers always use this method when a dictionary attack has not been able to retrieve any meaningful results. Codebooks are usually data stored in files on the web server, which contain nothing but common words used as passwords by users. The most popular codebook is a list of passwords that can be recovered through John The Ripper software utility. At some point, someone will start to suspect that they have been the target of a codebook attack. This is when a hacker has exfiltrated sensitive data, often in the form of an encrypted file, and is holding it for ransom in exchange for money. In order to decrypt this file, an individual must send them $USD or another cryptocurrency. The best way to protect against a codebook attack is not by paying them off but by researching and implementing stronger encryption practices at your company. The longer an attacker has had access to your system and data, the greater the chance that they are able to compromise it further.