Crafting Packets with Scapy: A Comprehensive Guide

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Learn about Scapy, a powerful tool for crafting packets, testing network applications, and building custom tools. Discover essential commands, resources, and ways to use Scapy effectively. Get insights from Anthony Critelli on how to work with Scapy live and explore its potential in network development.

  • Scapy Guide
  • Packet Crafting
  • Network Testing
  • Python Tool
  • Custom Development

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  1. Intro to Crafting Packets with Scapy Anthony Critelli Intro to Crafting Packets with Scapy Anthony Critelli

  2. What is Scapy? Tool for reading and writing packets Sniff on the wire, decode, rewrite, create from scratch, and more! Written by Philippe Biondi http://www.secdev.org/projects/scapy/ Can be used from standalone console or from within your own Python scripts Python 2.4 or greater Intro to Crafting Packets with Scapy Anthony Critelli

  3. What can you use it for? Intro to Crafting Packets with Scapy Anthony Critelli

  4. Test your network applications! Intro to Crafting Packets with Scapy Anthony Critelli

  5. Replace other tools! Intro to Crafting Packets with Scapy Anthony Critelli

  6. Build your own tools! Intro to Crafting Packets with Scapy Anthony Critelli

  7. Some important Scapy commands ls() show available scapy protocols lsc() show available scapy functions show() display packet field information and values send() send packets at Layer 3 sendp() send packets at Layer 2 sr() send packets and receive response sr1() send packets and receive only 1 response Intro to Crafting Packets with Scapy Anthony Critelli

  8. So, how do we do it? Intro to Crafting Packets with Scapy Anthony Critelli

  9. Well do it live! Intro to Crafting Packets with Scapy Anthony Critelli

  10. Other resources http://www.secdev.org/projects/scapy/ http://thepacketgeek.com/series/building- network-tools-with-scapy/ http://packetlife.net/media/library/36/scapy.p df Intro to Crafting Packets with Scapy Anthony Critelli

  11. Questions? Comments? www.acritelli.com critellia@gmail.com @acritelli Intro to Crafting Packets with Scapy Anthony Critelli

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