Wireless attacks

For most of the following attacks, we'll be using the aircrack-ng suite of tools to help us accomplish our objectives.

Aircrack-ng can be found at www.aircrack-ng.org.

Exercise – checking whether a wireless card supports injection

A quick and easy method to determine whether your wireless NIC supports packet injection is to use the aireplay-ng tool. Using the aireplay --test <interface> command will test for packet injection.

The following is a demonstration of using the command. As you can see, our card supports packet injection:

In addition, the -9 parameter can be used instead of --test.

If you look carefully at the output, you'll see the packet loss ratio was obtained...