With your encryption key in hand move over to Wireshark and open your captured data. With the command entered Aircrack makes light work of the data and provided me with the WEP encryption key within 10 seconds. a informs Aircrack to perform force attack mode and the “1” informs Aircrack what type of encryption it used (1 being WEP, 2 being WPA-PSK). The key part of that command is likely the “-a 1” section. $ aircrack-ng -a 1 /myfilepath/mycapture.pcap In terminal typing Aircrack-ng will show you that it needs a command structure of $ aircrack-ng so I entered the command: If this is the case for you, import your capture into Wireshark and save a copy as the older format to be used with Aircrack-ng. pcapng format whereas Aircrack-ng will only accept the older. Initially my capture was in Wireshark’s newer. $ brew install aircrack-ng Cracking the Capture Again I’m on macOS have have Homebrew installed so installed Wireshark in terminal using the command If you’ve already have sample capture (in a Wireshark readable format) the only thing you’ll need to install is Wireshark and Aircrack-ng. Not only is this unethical, but is likely a criminal offence. Never connect to a network (such as public Wi-fi) and capture packets from users who are unaware their data is being captured.
NOTE:Ī warning is usually appended to any article concerning the capture of packets on a network and this is no different. With a sample capture provided this didn’t take long and thought I’d do a quick tutorial on how I did it. Recently I was tasked with cracking the WEP Encryption of a sample capture generated using Wireshark.
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