All the packets on the network that actually arrive at your PCs (or Mac) will be inspected to check if they have a destination that matches the network card.This may sound complicated, but it basically works like this: “Normal” user rights aren’t enough in most cases, because you need to enable Promiscuous Mode on the network card to be able to capture packets that are not meant to be received by your PC. Capturing network packets in general is easy – you can do it on almost any PC where you’ve got administrative rights. The first thing you need to do is to capture the network packets that contain the passwords (or other credential types, but let’s say we’re focusing on passwords for now). So there must be passwords or other authorization data being transported in those packets, and here’s how to get them. Wireshark is a great tool to capture network packets, and we all know that people use the network to login to websites like Facebook, Twitter or Amazon.
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