Is it possible to crack a password hashed with sha256 with hashcat? [with screenshots]

SHA256 algorithm was invented to generate 256-bit (or 32-byte) hash. They write it will take you several years to crack it. It's true, but there're cases you can brute-force it (for example, with hashcat tool). At least you can try. In this article I'm using openSUSE Linux distro and openCL framework drivers for my NVIDIA GeForce GTX 1060 Mobile graphic card.

Here's an example, how to crack SHA256-hashed password in several minutes using haschat tool.

Let's take a hash of a password, stored in pass.hash file:

$ cat pass.hash

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Written by Administrator on Wednesday May 6, 2020

How to brute-force .hccapx file using hashcat (Brute-force attack) in openSUSE Linux [with screenshots]

Once you have captured WPA handshake and you've got .cap file, you have to convert given .cap file to .hccapx file format in order to brute force it. There're a lot of approaches, how to successfully crack wi-fi passwords. You never know, what is the structure of a password a surely you won't have enough equipment to crack a long password. In my case I'm trying to brute-force a password supposing it's only 8 digits long, because I know exactly, that the owner of a modem is using a model, which has by default only 8-digits password.

Yes, there's a possibility, that he configured his wi-fi modem manually and changed a password for more secure one, but there's also a chance he's just using it "as is". My computer will crack 8-digits long password in several minutes and I'm going to try to do it. In case I'm not successful, I will think about using dictionaries, because cracking even 8 character long password (digits, letters, capitals, special symbols) will take me years to crack.

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Written by Administrator on Tuesday May 5, 2020