WiFi Password Warning: Use good passwords otherwise they can be hacked in seconds using cloud GPUs.
Create your own virtual machine on Linode with a 60-day $100 credit: https://davidbombal.wiki/linode

Disclaimer: This video is for educational purposes only. I either have permission to use, or own all equipment used for this demonstration. No actual attack took place on any websites. Only use the tools demonstrated in this video on networks you have permission to attack. Use the tools ethically to improve network security.

// Previous Videos //
WPA/WPA2 vs hashcat and hcxdumptool: https://youtu.be/Usw0IlGbkC4Kali
16 secs to break it! 70% of real world WiFi networks owned!: https://youtu.be/ZTIB9Ki9VtYWiFi
Wifi Adapters: https://youtu.be/5MOsY3VNLK8
Old method using airmon-ng: https://youtu.be/WfYxrLaqlN8
Old method using GPUs: https://youtu.be/J8A8rKFZW-M

// Menu //
00:00 – Intro
01:12 – Don’t use weak wifi passwords! // Quick wifi cracking demo
05:28 – Setting up for wifi hack // Setting up a Linode server
08:08 – Setting up for wifi hack // Installing Hashcat
09:05 – Setting up for wifi hack // Installing NVIDIA CUDA Toolkit
12:42 – Cracking wifi passwords using Hashcat
17:08 – How the Hashcat command works // Detailed explanation
21:08 – Cracking a range of wifi passwords
27:24 – “Mixed passwords are strong passwords”
27:57 – Cracking a range of wifi passwords (continued)
28:54 – Conclusion

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// Hashcat Steps //
1) Setup server in Linode GPU server

2) SSH to server: ssh root@

3) Install Hashcat:
$ sudo apt update
$ sudo apt install hashcat
$ hashcat -I

4) Install Cuda: (Docs: https://www.linode.com/docs/products/… )
$ sudo apt update && sudo apt upgrade
$ sudo apt install build-essential linux-headers-$(uname -r)

5) Install nvidia drivers (Docs: https://www.linode.com/docs/products/… )
$ wget https://developer.download.nvidia.com…
$ sudo mv cuda-ubuntu2204.pin /etc/apt/preferences.d/cuda-repository-pin-600
$ wget https://developer.download.nvidia.com…
$ sudo dpkg -i cuda-repo-ubuntu2204-12-0-local_12.0.0-525.60.13-1_amd64.deb
$ sudo cp /var/cuda-repo-ubuntu2204-12-0-local/cuda-*-keyring.gpg /usr/share/keyrings/
$ sudo apt-get update
$ sudo apt-get -y install cuda
$ sudo shutdown -r now

6) Upload files to the server:
sftp root@
put 8-digit-wpa2.hc22000

7) Check GPUs available:
hashcat -I

8) Run Hashcat:
8 digits:
hashcat -m 22000 8-digit-wpa2.hc22000 -a 3 ?d?d?d?d?d?d?d?d -d 6,7,8,9 -w 4

10 alphanumeric:
hashcat -m 22000 10-digit-letters-wpa.hc22000 –increment –increment-min 10 –increment-max 12 -1 ?d?l?u -a 3 ?1?1?1?1?1?1?1?1?1?1?1?1 -d 6,7,8,9 -w 4

Hashcat commands:
-m 22000 means WPA-PBKDF2-PMKID+EAPOL

-a 3 means Attack mode is brute force
-d means Backend devices to use, separated with commas
-1 means mask to use https://hashcat.net/wiki/doku.php?id=mask_attack
Explanation of WPA/WPA2: https://hashcat.net/wiki/doku.php?id=cracking_wpawpa2

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#wifi #wpa2 #hashcat

  • David Bombal