arp-spoof

Objective

Component

Requirements

• Get MAC address from both sender and target using ARP request
• Infect ARP table of both sender and target
  • Periodically : Send fake ARP reply packet periodically
  • Nonperiodically : Send fake ARP reply when receive ARP request
    • When sender sends broadcast Request ARP packet
    • When target sends broadcast Request ARP packet
    • When sender sends unique Request ARP packet(No problem)
    • When target sends unique Request ARP packet(Need to infect both!)
• Send ARP recover packets when program exits
  • When user use signal(SIGINT and SIGTERM)
• Use thread and mutex for attacking each pairs of sender and target
• Do not attack CAM table of L2 switch
• Divide jumbo packet by unit of 1500 bytes and send to relay packet