clach04

File Format Magic Numbers Cheat Sheet

Detail Explanation

Magic numbers are unique identifiers found at the beginning of files that help determine their format. These byte sequences enable software and operating systems to recognize file types even when the file extension is missing or incorrect. This cheat sheet lists the magic numbers for various file formats, including video, audio, image, archive, document, executable, and database files.

Steps to Read a File in Hex in Terminal

To check the magic number of a file in a terminal, follow these steps:

On Linux/macOS:

Open a terminal.

Blog post: https://segmentfault.com/a/1190000017136059

Latest version at https://gist.github.com/clach04/445b38080b672aa61572e84525805c37

Based on https://gist.github.com/zeevro/ce20d0d74a869d73119e9d1522b7caa7 - a 64-bit downloader for Pebble SDK under Linux (or Windows WSL) - Ubuntu 18.04.2.

Picks up binaries from Rebble (AWS for some reason not from github) along with (updated) pebble tool from github.

This script downloads and installs everything needed to build projects and also run the emulator.

Was tested on (32-bit) Lubuntu 16.04 LTS.

	import sqlite3
	import json
	import shutil
	import os

	tags = []
	joins = []

	# Tested with Notally v5.2 and QuillPad v1.4.9
	# will not preserve note color

	# th30z@u1310:[Desktop]$ psql -h localhost -p 55432
	# Password:
	# psql (9.1.10, server 0.0.0)
	# WARNING: psql version 9.1, server version 0.0.
	# Some psql features might not work.
	# Type "help" for help.
	#
	# th30z=> select foo;
	# a \| b
	# ---+---

	# th30z@u1310:[Desktop]$ psql -h localhost -p 55432
	# Password:
	# psql (9.1.10, server 0.0.0)
	# WARNING: psql version 9.1, server version 0.0.
	# Some psql features might not work.
	# Type "help" for help.
	#
	# th30z=> select foo;
	# a \| b
	# ---+---

	# th30z@u1310:[Desktop]$ psql -h localhost -p 55432
	# Password:
	# psql (9.1.10, server 0.0.0)
	# WARNING: psql version 9.1, server version 0.0.
	# Some psql features might not work.
	# Type "help" for help.
	#
	# th30z=> select foo;
	# a \| b
	# ---+---

	import os
	from base64 import b64decode, b64encode

	from cryptography.hazmat.primitives import hashes
	from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
	from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
	from cryptography.hazmat.backends import default_backend


	_BACKEND = default_backend()

	#!python
	## sudo apt-get install python3-evdev

	# Tested with `SC-8110-2D-B` 1d & 2d barcode scanner
	#
	# Inspired by https://github.com/julzhk/usb_barcode_scanner
	# which was inspired by https://www.piddlerintheroot.com/barcode-scanner/
	# https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=55100
	# from 'brechmos' - thank-you!
	#

	#!/usr/bin/env python
	"""Utility methods for Google Spreadsheets based on gspread library.

	Used mostly for logging.
	http://hakanu.net/2014/09/14/how-i-store-server-logs-in-google-spreadsheets/

	Here are the dependecies:
	sudo apt-get install python-pip python-dev build-essential
	sudo easy_install gspread
	"""