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This will ensure the installed version of both programs is up to date, and it will install the most current version if it is not present. Next, ensure you have the correct tools by running apt-get install macchanger aircrack-ng.
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While Kismet can enable this mode on macOS wireless cards, we recommend a Kali-compatible wireless network adapter like the $16 PAU05 to be able to run all the wireless monitoring tools at your disposal.ĭon't Miss: The Best Wireless Network Adapters for Wi-Fi Hacking Step 1: Install the Needed ToolsĪs always, make sure your Kali system is updated by running apt-get update in a terminal window. In most cases, you'll need a wireless network adapter which can be put into wireless monitor mode, or promiscuous mode, unless your existing card supports this. Using a Panda PAU 09 and a TP-Link to scan wireless networks nearby with Kismet. Kismet can be run on Linux or macOS to scan a wide area, but other Kali-specific tools like Airodump-ng allow for precise and lightweight targeting. Next, you will need to be able to find and listen in on wireless networks nearby. This is pretty easy on just about every system, but especially Linux and macOS.
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First, you'll need the ability to change your MAC address, which can be accomplished via a program like GNU MAC Changer, as already discussed. This is a relatively simple tactic, but you'll need a couple important capabilities to pull it off.
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In spite of this limitation, the ability to get free, unfettered access to information is a critical skill for a hacker, and using this trick can get you a data connection in urban areas without the need for much infrastructure.ĭon't Miss: How to Wardrive on the Kali Raspberry Pi to Map Wi-Fi Devices What You'll Need
It's worth noting that most of these network types prohibit devices from communicating with each other directly by restricting each device to its own subnet, so don't think you'll be able to add a Raspberry Pi and SSH into it directly from a coffee shop hotspot.
Another scenario is when a hacker will add a small surveillance device or camera to a public Wi-Fi network which, by itself, would not have the ability to authenticate through a portal the way some open networks require to connect. A simple command line tool like GNU MAC Changer is then able to swap out the hacker's MAC address for one discovered to already be connected, allowing them to connect to the network disguised as the trusted, authorized device, granting them the same level of access.Īfter successfully spoofing the MAC address, the hacker can obtain network access without authentication or even paying a fee. Hacking class: Students using Kismet and external wireless cards to scan for Wi-Fi devices. This clearly reveals the MAC address of any device exchanging data with a network, which is an indication that it has already authenticated successfully.ĭon't Miss: Getting Started with the Aircrack-Ng Suite of Wi-Fi Hacking Tools Taking Advantage of This Security Loopholeīy simply scanning the local area with tools like Kismet or Airodump-ng, a hacker can easily see every open Wi-Fi network nearby, as well as any clients connected to it. A MAC address is supposed to be a unique address set by the manufacturer to identify a piece of hardware to a network and to other devices, but in practice, assuming the MAC address is always truthful isn't a good idea. Fortunately for a hacker, it is also exceedingly easy to change or spoof the MAC address of a Wi-Fi device. There currently aren't many ways besides MAC addresses for a Wi-Fi access point to differentiate between wireless devices trying to join the network.
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These devices have already either accepted the terms of service, paid, or otherwise gone through the process needed to register them with the network's MAC filter, and they are free to access the internet without needing to go through the portal again for a period of time.ĭon't Miss: How to Create an Evil Twin Wireless Access Point to Eavesdrop on Data These public wireless networks manage their security by having a secret "white list" of MAC addresses belonging to devices which have already gone through the authentication process. Routers can allow or prevent devices from accessing the internet based on its MAC address alone. In order to connect to one of these public hotspots, or any router, a device's MAC address is needed to assign the device an IP address when attempting to connect, ensuring that any requests the device makes to load content from the internet are returned back to the correct IP (and MAC) address. How MAC Addresses Play a Key Role in Connecting
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