![]() ![]() ![]() It can also capture the raw wireless packets, which you can then import into Wireshark, TCPdump, and other tools. It shows the access point details, including the SSID of “hidden” networks. Kismet is an open source Wi-Fi stumbler, packet sniffer, and intrusion-detection system that can run on Windows (with WSL framework), Mac OS X, Linux, and BSD. Other cool features include a traffic generator to do some spoofing node reassociation to manually kick off clients and TCP reconstruction to better view the captured data (text or photos). ![]() You can also set rules to filter the data you see and set alarms to track rogue devices. If you’re connected to a Wi-Fi network, you can input its PSK passphrase so the decrypted packets will be shown. The tool also lets you capture and see the raw packets.ĬommView for WiFi is a wireless sniffer available for trying out through a 30-day limited trial. It can track IP connections and records any VoIP sessions. It has a stumbler feature to show network details, plus channel utilization stats and graphs. In addition, some sniffers look for and report only on certain network traffic, such as those designed to reveal passwords sent in clear-text.ĬommView for WiFi is a popular commercial Wi-Fi sniffer and analyzer that offers a 30-day limited trial. Some sniffers also include the functionality to do some analysis or cracking. Captured traffic can be imported into other tools, such as an encryption cracker. Instead of just grabbing network details, sniffers capture and show and/or analyze the raw packets sent over the airwaves. Wi-Fi sniffers go further than stumblers. (If a free stumbling app doesn’t cut it, check out our review of more robust commercial options) Wi-Fi sniffers and airwave monitors It also features graphs showing signals by channel, history and usage rating, and it has a signal meter feature to help find access points. You can export the access point list (in XML format) by sending it to email or another app or take a snapshot of the screens. Even if there are APs set with hidden or non-broadcasted service set identifiers (SSID), some stumblers can quickly reveal them. Or, walking through a property with a stumbler might reveal rogue APs set up by employees or others that could be opening your network to attack. Using a stumbler, you might find networks using weak security protocols, such as WEP or the original version of WPA. They allow you to see nearby access points (AP) and their details, such as signal level, security/encryption type, and media access control (MAC) address. Though typically passive tools, they serve an important purpose. General purpose Wi-Fi stumblers are the simplest tools to add to your pen testing kit. Understanding potential Wi-Fi vulnerabilities can help you to better protect the networks you manage and ensure safer connections when you access other wireless networks. Rather, ethical hacking and legitimate Wi-Fi penetration testing – done in cooperation with the network owner – can help you learn more about the strengths and limitations of wireless security. That doesn’t mean you should infiltrate a company’s network or snoop on a neighbor’s setup. One way to bolster your understanding of Wi-Fi security is to do some hacking yourself.
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