Hexennacht

A simple tool to extract and edit metadata and hex.

Installation

Dependencies:

Exiftool:

• Ubuntu: sudo apt install exiftool
• Arch: Follow this tutorial

CMake

• Ubuntu: sudo apt install cmake
• Arch: sudo pacman -S cmake

Install

git clone https://github.com/LucasVChaves/Hexennacht.git
cd Hexennacht
cmake .
make
sudo make install

Current Features

• Hexdump
• Metadata extraction
• Hex manipulation
• Metadata edition
• UI (Maybe)

CLI Usage

Argument	Function
-F / --file	Path to the file to open.
-d / --hexdump	Flag for Hexdump
-m / --edit-hex	Flag for opening Hex Editor
-f / --fetch-metadata	Flag for fetching file's metadata
-e / --edit-metadata	Flag for opening Metadata Editor
-o / --output	Output path (if not provided will print on terminal)
-v / --version	Show the version of the tool
-h / --help	Show this help message

Editor Usage

VIM inspired keybindings and functions.

Navigation	Key	Function
Left	h	Move cursor 1 char left
Down	j	Move cursor 1 char down
Up	k	Move cursor 1 char up
Right	l	Move cursor 1 char right
Toggle Mode	i	Toggle normal / edit mode
Top of File	ctrl + t	Move cursor to top of file
Bot of File	ctrl + b	Move cursor to bottom of file
Undo	ctrl + z	Undo last action
Redo	ctrl + y	Redo last undid action

Shortcuts	Key	Function
Open File	ctrl + o	Select file path to open
Save File	ctrl + s	Saves current file changes
Find Expr	ctrl + f	Find expression in open file
Line Jump	ctrl + l	Jump to line number
Help	ctrl + ?	Show help screen
*Toggle Edit	TAB	Toggle edit between Hex and ASCII

*: Only works in hex editor.

Examples

Hexdumping a file and outputting to a file:

./hexennacht -F /bin/somebinarie.o -d -o /tmp/hexdump.txt

Fetching metadata from an image and not using the output flag:

./hexennacht --file /img/funnycat.png --fetch-metadata