ViNCe

A fast, dedicated VNC authentication bruteforcing tool, written in Go

Warning

Use ViNCe only on networks and systems for which you have explicit permission. I am not liable for any misuse or malicious activities carried out using ViNCe.

Install

Prebuilt Binaries

Head over to the latest release, then download & extract the binary for your respective platform. Prebuilt binaries are published automatically with each release for various systems and architectures.

go install

You can also install or update Vince with Go's built-in go install, granted you have a recent version of Go installed, and ~/go/bin is accessible from PATH:

go install -v github.com/chadhyatt/vince@latest

Usage

ViNCe v0.2.1
MIT License | Copyright (c) 2025 Chad Hyatt <[email protected]>
https://github.com/chadhyatt/vince

 INFO  Provide VNC server address and port with the `-a` flag (e.g. "192.168.0.134", "10.13.33.37:5901")
       See further usage below

USAGE: vince [OPTION]...
  -a string
    	Target VNC server [address:port], port defaults to 5900
  -auth string
    	(Planned) Force use of a specific authentication type [vnc, tight] (default "vnc")
  -chars string
    	If -m raw, the character set used for permutations (default "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*()?><;:'\"")
  -conn string
    	Use connection type [tcp, udp] (default "tcp")
  -delay float
    	Delay between connections per worker thread
  -m string
    	Mode of bruteforce [wordlist, raw], defaults to wordlist
  -novnc
    	Specifies that the host is a noVNC server, and to connect over WebSocket
  -novnc-ssl
    	If -novnc, connects to the noVNC server over SSL (cert is ignored)
  -novnc-ua string
    	If -novnc, a specific User-Agent header to use with requests
  -novnc-websockify-path string
    	If -novnc, the noVNC Websockify path to connect over (default "/websockify")
  -packet-log
    	Enables packet dump logging for debug (only use with one thread)
  -proxies string
    	Path to list of SOCKS(4/5) proxies to use for workers. File must be a list of proxies in the format "scheme://[username:pass@]host[:port]", delimited by newlines
  -range string
    	If -m raw, min/max number range for password combination length. May be either a single number, or 2 numbers in the format "1-6" (default "1-4")
  -retries int
    	Number of retry attempts per password for failed connections. -1 means infinite retries (default -1)
  -start uint
    	Start at index n in password iteration
  -t int
    	Number of worker threads (default 1)
  -w string
    	If -m wordlist, path to the wordlist file to source from

License

MIT License

Copyright (c) 2025 Chad Hyatt <[email protected]>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.