It is an example of a brute-force attack. These passwords are now encrypted, and we require a list of passwords, which our tool will match one by one from our provided password list (wordlist or dictionary file). When the devices attempt to connect to the router, our Fern WiFi cracker tool will capture the handshake file containing the password hashes. (This is why we require a WiFi router with packet injection capabilities.) Because of the de-authentication packets, it will disconnect all connected devices with the router, and as we understand, those disconnected devices attempted to reconnect with the target router again. ![]() Using special WiFi adapter, this tool sends de-authentication packets to the router. The router verifies that everything is in order before allowing the connection. ![]() When we attempt to connect a second time, the device will send the password in hash format to the WiFi router and request to join ( handshake). It saves the password’s hash value (not the plain text). We understand that we must enter the password when we connect our device to a new protected WiFi network.īut why don’t we need the password after the second time? Because the password for that WiFi network is stored in our device. ![]() We will discuss the fundamentals without digging deeper into technical language.
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