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2021 CSCI-GA3205 Homework 10

Author: Vicky Rampin

Prompt

Packet sniffers are programs that intercept the network traffic flowing in and out of a system through network interfaces. Packet sniffers can be coded by either using sockets API provided by the kernel, or by using some packet capture libraries. Write a program and implement your own packet sniffer in your programming language of choice.

Installation

This script is made with Python 3.8 and uses the argparse library, and scapy, a program for packet manipulation. Ensure that you have Python 3.8+ and these dependencies installed in order to run this script correctly.

Usage

First, clone this repository to your machine. Open the command line on your machine and navigate to where you cloned this repository. To get help using cd, use this tutorial.

This script needs sudo or administrative privileges to run. The script will run explicitly until you kill it using either CTRL+C or closing the terminal window.

Run the script with the following (on UNIX-based systems):

$ sudo -E env PATH="$PATH" python index.py

Sample output:

Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 PA / Raw
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https A
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 PA / Raw
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:48384 A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:48384 PA / Raw
Ether / IP / TCP 192.168.0.102:48384 > 142.251.41.14:https A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:48384 PA / Raw
Ether / IP / TCP 192.168.0.102:48384 > 142.251.41.14:https A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:48384 PA / Raw
Ether / IP / TCP 192.168.0.102:48384 > 142.251.41.14:https A
Ether / IP / TCP 192.168.0.102:48384 > 142.251.41.14:https PA / Raw
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:48384 A / Padding
Ether / IP / TCP 192.168.0.102:52440 > 52.86.220.33:https PA / Raw
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https PA / Raw
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https FA
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 52.86.220.33:https > 192.168.0.102:52440 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:52440 > 52.86.220.33:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 FA / Padding
Ether / IP / TCP 192.168.0.102:59642 > 142.250.65.197:https A
Ether / IP / TCP 142.250.65.197:https > 192.168.0.102:59642 A / Padding
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https PA / Raw
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https PA / Raw
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https A / Raw
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https PA / Raw
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https PA / Raw
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https PA / Raw
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https PA / Raw
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 A / Padding
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 A / Padding
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 A / Padding
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 A / Padding
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 A / Padding
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https PA / Raw
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 A / Padding
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 PA / Raw
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https A
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 PA / Raw
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 PA / Raw
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 PA / Raw
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 PA / Raw
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 PA / Raw
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https A
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https PA / Raw
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:50324 > 104.16.249.249:https A
Ether / IP / TCP 104.16.249.249:https > 192.168.0.102:50324 A / Padding
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 PA / Raw / Padding
Ether / IP / TCP 192.168.0.102:47798 > 142.251.41.14:https A
Ether / IP / TCP 142.251.41.14:https > 192.168.0.102:47798 A / Padding
Ether / IP / TCP 192.168.0.102:43796 > 5.135.179.196:https PA / Raw