WiFi Adapter Packet Injection Test 2016

Questions about if a certain Wifi adapter is compatible with the Aircrack-ng suite or what Wifi card is capable of packet injection and operating monitoring mode are commonly asked at discussion boards and social media. A Wifi adapter that is capable of packet injection and monitoring mode is trivial and important functionality to be successful in Wifi hacking

Wireless packet injection is spoofing packets on a network to appear as if they are part of the regular network communication stream. Packet injection allows to intercept, disrupt and manipulate network communication. 

Wifi Adapter Packet Injection Test 2016
Wifi Adapter Packet Injection Test 2016



An example of this is sending an authentication message from an unknown party outside the network to a connected client as if it was sent to the wireless router. This will result in the client disconnecting from the router. 

Monitoring mode is one of the six modes a Wifi card can operate in which allows you to capture network packets without having to associate with the access point. If you are looking to buy a Wifi card which is capable of packet injection using the Aircrack-NG suite you can have a look at the following list of supported Wifi adapters:

http://www.aircrack-ng.org/doku.php?id=compatible_cards


WiFi Adapter Packet Injection Test 2016

Wifi adapter packet injection test

Performing a Wifi adapter packet injection test to see whether your Wifi adapter is capable of injection can be done easily with Aireplay-ng. Aireplay-ng is the great tool to generate traffic for cracking WEP and WPA keys.
First we need to put the Wifi adapter in Monitoring mode using the following command:

airmon-ng start wlan0

If necessary kill the processes Kali is complaining about:
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Testing if your Wifi adapter support packet injection can be done using the following command:
aireplay-ng –test wlan0mon
Packet Injection is working for this card!
In Kali Linux ‘iwconfig’ will show you the operating mode of your Wifi card:

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