Air. Snort. Air. Snort is another popular tool for decrypting WEP encryption on a wi fi 8. It is a free tool and comes with Linux and Windows platforms. This tool is no longer maintained, but it is still available to download from Sourceforge. Air. Snort works by passively monitoring transmissions and computing encryption keys once it has enough packets received. This tool is simple to use. If you are interested, you can try this tool to crack WEP passwords. Download http sourceforge. Cain Able. Cain Able is a popular password cracking tool. This tool is developed to intercept network traffic and then discover passwords by bruteforcing the password using cryptanalysis attack methods. It can also recover wireless network keys by analyzing routing protocols. It you are trying to learn wireless security and password cracking, you should once try this tool. Download http www. Kismet. Kismet is the wi fi 8. IDS. It works with any wi fi card which supports rfmon mode. It passively collects packets to identify networks and detect hidden networks. It is built on clientserver modular architecture. It is available for Linux, OSX, Windows and BSD platforms. Download http www. Net. Stumbler. Net. Stumbler is a popular Windows tool to find open wireless access points. This tool is free and is available for Windows. A trimmed down version of the tool is also available. It is called Mini. Stumbler. Basically Net. Stumblet is used for wardriving, verifying network configurations, finding locations with a poor network, detecting unauthorized access points, and more. But the tool also has a big disadvantage. It can be easily detected by most of the wireless intrusion detection systems available. This is because it actively probes a network to collect useful information. Another disadvantage of the tool is that it does not work properly with the latest 6. Windows OS. This is because the tool was last updated back in April 2. It has been around 1. Download Netstumbler http www. SSIDerin. SSIDer is a popular Wi Fi scanner for Microsoft Windows and OS X operating systems. Initially the tool was opensource. Later it became premium and now costs 1. It was also awarded as Best Opensource Software in Networking. The in. SSIDer wi fi scanner can do various tasks, including finding open wi fi access points, tracking signal strength, and saving logs with GPS records. Download in. SSIDer http www. Wire. Shark. Wire. Shark is the network protocol analyzer. It lets you check what is happening in your network. You can live capture packets and analyze them. It captures packets and lets you check data at the micro level. It runs on Windows, Linux, OS X, Solaries, Free. BSD and others. Wire. Shark requires good knowledge of network protocols to analyze the data obtained with the tool. If you do not have good knowledge of that, you may not find this tool interesting. So, try only if you are sure about your protocol knowledge. Download Wireshark https www. Co. WPAtty. Co. WPAtty is an automated dictionary attack tool for WPA PSK. It runs on Linux OS.