explaingit

ridter/tshtun

Analysis updated 2026-08-04 · repo last pushed 2022-08-15

28CAudience · researcherComplexity · 4/5DormantSetup · hard

TLDR

A proof-of-concept tool that lets one computer run commands on another remotely through an encrypted channel, recreating the design of a known utility called tsh. It pairs a lightweight C program with Python scripts that handle the encryption.

Mindmap

mindmap
  root((tshtun))
  What it does
    Remote command execution
    Encrypted traffic handling
    Recreates tsh design
  Tech stack
    C program
    Python scripts
    Command line interface
  Use cases
    Security research
    Penetration testing
    Network assessment demos
  Audience
    Security researchers
    Penetration testers
  Setup
    Read code to build
    Compile C client
    Run Python components

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Security researchers can study the code to understand how encrypted command-and-control channels work under the hood.

USE CASE 2

Penetration testers can use it as a reference implementation when demonstrating remote command execution on an assessment.

USE CASE 3

Network defenders can analyze the traffic patterns to learn what encrypted remote control channels look like on a network.

What is it built with?

CPython

How does it compare?

ridter/tshtunbusung-dev/cve-2026-43499-s25ucocoonstack/scrcpy-rfb
Stars282828
LanguageCCC
Last pushed2022-08-15
MaintenanceDormant
Setup difficultyhardhardhard
Complexity4/55/54/5
Audienceresearcherdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · hard Time to first run · 1h+

No setup documentation is provided, users must read the source code to figure out how to compile the C client and run the Python components.

No license is mentioned in the repository, so default copyright restrictions apply and usage rights are unclear.

In plain English

This project, tshtun, recreates the communication method used by a tool called tsh, which lets one computer remotely control another through a command-line interface. Specifically, it focuses on handling the encrypted traffic between the two machines so that the commands and responses stay hidden while traveling across the network. At a high level, the project pairs a small C program with Python scripts. The C program, compiled from shell.c, runs on the target machine and provides the interactive command line. The Python side, found in the libs folder, manages the process of encrypting and decrypting the data that flows back and forth. This separation lets the author write the traffic-handling logic in Python while keeping the on-target component lightweight in C. Security researchers and penetration testers are the likely audience here. When assessing a network, they often need to demonstrate that they can run commands on a remote machine and that those commands can't be easily spotted or read by network monitoring tools. This project gives them a working example of how that encrypted command-and-control channel looks under the hood, built on the design of the well-known tsh utility. The README is quite sparse and doesn't document setup steps, configuration, or usage instructions beyond pointing to the source files and referencing two upstream tsh projects. Anyone using it would need to read the code itself to understand how to compile the C client and run the Python components.

Copy-paste prompts

Prompt 1
Help me compile the shell.c file from the tshtun project into a working binary, what compiler flags and steps should I use?
Prompt 2
Walk me through how the Python scripts in the tshtun libs folder encrypt and decrypt the traffic between the C client and the Python side.
Prompt 3
Show me how to set up tshtun so the C program runs on a remote machine and the Python components run locally to send encrypted commands.
Prompt 4
Explain how tshtun differs from the original tsh utility and what design choices were made in splitting logic between C and Python.

Frequently asked questions

What is tshtun?

A proof-of-concept tool that lets one computer run commands on another remotely through an encrypted channel, recreating the design of a known utility called tsh. It pairs a lightweight C program with Python scripts that handle the encryption.

What language is tshtun written in?

Mainly C. The stack also includes C, Python.

Is tshtun actively maintained?

Dormant — no commits in 2+ years (last push 2022-08-15).

What license does tshtun use?

No license is mentioned in the repository, so default copyright restrictions apply and usage rights are unclear.

How hard is tshtun to set up?

Setup difficulty is rated hard, with roughly 1h+ to a first successful run.

Who is tshtun for?

Mainly researcher.

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