Hashes containing login passwords are transmitted between Windows computers on local Wi-Fi networks. By intercepting and decrypting these hashes using Responder and John the Ripper, respectively, we can learn a target’s login credentials which can be later used to gain physical access to their computer.

Why This Attack Is Possible

While communicating with other devices on a local network, Windows will use the Link-Local Multicast Name Resolution (LLMNR) protocol to perform hostname resolutions for devices on the local network. Any legitimate client on the local network can interact with the… more

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