AddToHosts

A PowerShell script to simplify adding entries to Windows and WSL (Kali Linux) hosts files, with automatic backups and duplicate checks. Perfect for CTF setups, local development, or network testing.

Features ✨

• Cross-Platform Support: Updates hosts files for both Windows and WSL (Kali Linux) (See below if you want other distros).
• Automatic Backups: Creates hosts.bak on first run for easy recovery.
• Duplicate Prevention: Skips existing entries to avoid clutter.
• Admin-Friendly: Auto-elevates to admin rights when needed.

Installation 📥

1. Prerequisites:

   • Windows 10/11 with PowerShell 5.1+.
   • WSL with Kali Linux installed (default distro name: kali-linux).

2. Clone the Repository:

   git clone https://github.com/ymuuuu/AddToHosts.git
   cd AddToHosts

Usage 🚀

Run the script as Administrator:

.\AddTo-Hosts.ps1

Example Workflow:

Enter IP (e.g., 10.10.11.55): 10.10.11.123
Enter hostname (e.g., titanic.htb): ctf-target.htb

[*] Windows backup already exists: C:\Windows\System32\drivers\etc\hosts.bak
[*] WSL backup already exists: /etc/hosts.bak

[+] Windows hosts: Added '10.10.11.123 ctf-target.htb'
[+] Added to WSL Kali hosts: 10.10.11.123 ctf-target.htb

Press any key to exit...

Restore Backups 🔄

Windows

Copy-Item "$env:SystemRoot\System32\drivers\etc\hosts.bak" "$env:SystemRoot\System32\drivers\etc\hosts" -Force

WSL (Kali Linux)

sudo cp /etc/hosts.bak /etc/hosts

Will It Work with Other WSL Distributions?

Yes! You can easily modify it to work with any WSL distribution (e.g., Ubuntu, Debian). Here’s how:

1. Check Your WSL Distribution Name Run this in PowerShell to list installed WSL distros:

wsl -l -q

Example output:

Ubuntu
kali-linux
Debian

2. Update the Script Replace kali-linux in the script with your distribution name. For example:

# For Ubuntu
wsl -d Ubuntu -u root bash -c ...

# For Debian
wsl -d Debian -u root bash -c ...

Security Note 🔒

• Requires admin rights to modify system files.
• Backups are created only once to prevent accidental overwrites.
• Script exits immediately on cancellation.

License 📄

MIT License - See LICENSE.

Happy Hacking! 🎮🔍
Feel free to contribute or report issues!