BSSID – MAC address of the AP (we need it).Let's say I'm interested in the FTTX772802 Access Point, then we are looking for a line with it:

To find out the required MAC address, run the command: You can save the handshake for a specific access point, you need to specify it with the -m option, but you need to specify not the name, but the BSSID – in other words, the MAC address. The output says that 10 APs were processed, but only 6 handshakes and 2 PMKIDs were dumped. This will generate hashes for all captured handshakes. If you want to hack all handshakes at once, then run the command: To see which handshakes were captured, run the command: To automatically capture handshakes, run a command like this: Let's see the name of the wireless interface: Here we will not dwell on the basics of testing the security of wireless Wi-Fi networks, so if you have gaps in your knowledge, then refer to “ Wireless Attacks” category. How to crack Wi-Fi password in John the RipperĬapturing Wi-Fi handshake for password cracking You do not need to use this option for hacking on video cards. Instead of the word CORE, you must specify a number that corresponds to the quantity of logical or physical processor cores.

In the following examples, the -fork=CORES option is used in each brute-force start command on the central processor. By the way, if you have not read the previous parts, then it is recommended to start with them. These examples will allow us to reinforce our knowledge about John the Ripper. This article will provide clear answers to questions like these: In addition to these questions, further theory on John the Ripper will be considered in more depth: how to set up a configuration file, more attack modes, encoding features, and much more.īut before moving on to further theory elsewhere in this online tutorial, let's take a look at some practical examples of John the Ripper. In the previous three parts, we covered the basic topics that will allow you to install John the Ripper, extract the hash from the encrypted file and launch a password cracking attack – suck brute-force attacks as dictionary attack and mask. 4.7 How to crack LibreOffice password (Wirter/.odt files and others)Ĥ.9 How to crack KeePass and KeePassXC PasswordĤ.11 How to crack private SSH key password (id_rsa)Ħ. How to brute force non-standard hashes

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