We will mainly be using Johns ability to use rules to generate passwords. John the Ripper is a great in unison with Aircrack-ng. Go ahead and kill the packet capture its time to move on to John the Ripper. That indicates that a WPA handshake has been captured. It is a snapshot of the packet capture I only have one client connected to this network. In this step we are going to de-authenticate a client that is connected to the AP we are attacking. Leave the packet capture running and open up a new terminal. Next we want to filter out everything but our target and save the packet capture. For Shiro2.4 the channel is 1, BSSID C4:E9:84:59:06:09, and of corse the ESSID is Shiro2.4. You will need to know the channel, ESSID, and BSSID. There are a few things you need to know when attacking a wireless network. I will be attacking Shiro2.4 for this tutorial. Here you can see there are two different APs (access point). However we must first figure out our target. Here the main idea is to capture a WPA handshake. If you want to crack WPA you need something to crack. On some versions of Aircrack it will be mon0 for me it is wlan1mon. To put it into monitor mode you need to know the interface of the card you want to monitor. Now plug in your wireless card and run airmon-ng again. For this tutorial we are using an external wireless card so before you plug it in lets see what you already have. After this section is John the Ripper then briefly return to Aircrack-ng to finish cracking the handshake.Īnytime you want to do something meaningful with wireless it needs to put it into monitor mode. This tutorial will begin with the Aircrack-ng tool suite dealing capturing the WPA handshake. I recommend the Alfa AWUS051NH because it is duel band allowing you to see more. A wireless card capable of packet injection is imperative. That's the case when comes to cracking WPA encrypted networks.įor this tutorial and all tutorials Kali Linux is the required operating system. In most cases you need many tools to get the job done. Every craftsman knows that you need the right tool for the right job.
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