ARPToxin is a weekend project of Brandon Burr. Brandon Burr wanted to write a fully functional ARP Poisoning utility for the Windows platform. There are not many ARP poisoning utilities for Windows, so Brandon Burr decided to write one. ARPToxin uses WinPCap. ARPToxin is a command line based program, with preset "modes" of operation for performing different attacks, yet you can also override any field in an ARP packet, so ARPToxin can be incredibly flexible. Unlike other tools, ARPToxin can input a hostname/IP/MAC for any field and convert it to the necessary format (with exception of RARP). You can also use the constant % for any MAC address and it will fill in a random valid MAC address. These options open up numerous uses for ARPToxin and ARP poisoning under Windows.