In the following screenshot, we can see that we captured the WPA handshake, and our target device didn't even change, nor was it disconnected: Then we're going to put the name of the WIFI card, which is wlan0. Then we're going to put -a, to specify the MAC address of the target AP, and -c, to specify the client MAC address that we want to disconnect. We use aireplay-ng -deauth, the name of the attack, and 4 authentication packets to the AP, and disconnect the device from it. Now using the aireplay-ng, we're just going to run a basic authentication attack. The handshake gets sent every time a device connects to a target network. Then we will be able to capture the handshake packets. If we apply this attack for a very short period of time, we can disconnect a device form the network for a second, the device will try to connect to the network automatically, and even the person using the device will not notice that the device is disconnected or reconnected. In a deauthentication attack, we can disconnect any device form a network that is within our Wi-Fi range. Second, we can use deauthentication attack which we learned in the previous section, in Pre-connection attacks section. Once a device is connected then we can capture the handshake. First, we can just sit down and wait for a device to connect to the network. We can capture the handshake in two ways. Once we launch this command, we will have our WPA encrypted network, and we will have the clients connected to the network. We will include the -channel, number 11, then we add -write to store all of the packets that we capture into a file which is wpa_handshake, and then we include the wireless card in monitor mode which is wlan0. Now we will run airodump-ng against the javaTpoint network with a -bssid as 74:DA:DA:DB:F7:67. Use the following command to capture all the network around us: Using the airodump-ng, we will capture the handshake, in the same way, that we used it with WEP-encryption networks. To crack WPA key, firstly we will capture the handshake.
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January 2023
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