Essential Hardware Requirement
To perform wireless attacks, your Kali Linux VM needs access to a Wi-Fi adapter that supports two crucial features:
- Monitor Mode: Allows the adapter to capture all wireless traffic passing through the air, even if it is not addressed to the adapter itself.
- Packet Injection: The ability to craft and send custom 802.11 packets (e.g., deauthentication frames) to target clients or APs.
Setup in VirtualBox
- You must use an external USB Wi-Fi adapter (e.g., Alfa AWUS036 series is highly recommended).
- In VirtualBox, you must assign the USB adapter directly to the Kali VM (Device > USB).
- The adapter must be correctly recognized by Kali (
lsusb).
Enabling Monitor Mode (Conceptual)
We use the airmon-ng tool (part of the Aircrack-ng suite) to change the mode of the wireless interface (e.g., from wlan0 to wlan0mon).