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Basic webshell with Python + Flask and WebSockets (Flask-SocketIO)
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| #!/usr/bin/env python | |
| import subprocess | |
| from flask import Flask, render_template | |
| from flask_socketio import SocketIO, send, emit | |
| HTML = ''' | |
| <html> | |
| <head> | |
| <title>WEBSHELL</title> | |
| <script type="text/javascript" src="//code.jquery.com/jquery-3.2.1.min.js"></script> | |
| <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.6/socket.io.min.js"></script> | |
| <script type="text/javascript" charset="utf-8"> | |
| var socket; | |
| $(document).ready(function(){ | |
| socket = io.connect('http://' + document.domain + ':' + location.port + '/shell'); | |
| socket.on('connect', function() { | |
| socket.emit('joined', {}); | |
| }); | |
| socket.on('message', function(data) { | |
| $('#shell').val($('#shell').val() + data.msg + '\n'); | |
| $('#shell').scrollTop($('#shell')[0].scrollHeight); | |
| }); | |
| socket.on('status', function(data) { | |
| $('#shell').val($('#shell').val() + '<' + data.msg + '>\n'); | |
| $('#shell').scrollTop($('#shell')[0].scrollHeight); | |
| }); | |
| $('#text').keypress(function(e) { | |
| var code = e.keyCode || e.which; | |
| if (code == 13) { | |
| text = $('#text').val(); | |
| $('#text').val(''); | |
| socket.emit('comando', {msg: text}); | |
| } | |
| }); | |
| }); | |
| function leave_room() { | |
| socket.disconnect(); | |
| window.location.href = "http://www.google.com"; | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <h1>WEBSHELL</h1> | |
| <textarea id="shell" cols="80" rows="20"></textarea><br><br> | |
| <input id="text" size="80" placeholder="Digite o comando"><br><br> | |
| <a href="#" onclick="leave_room();">Sair</a> | |
| </body> | |
| </html> | |
| ''' | |
| app = Flask(__name__) | |
| app.config['SECRET_KEY'] = 'top secret' | |
| app.config['DEBUG'] = True | |
| socketio = SocketIO(app) | |
| @app.route('/') | |
| def index(): | |
| return render_template('shell.html') | |
| @socketio.on('joined', namespace='/shell') | |
| def joined(message): | |
| emit('status', {'msg': 'CONECTADO COM SUCESSO'}) | |
| @socketio.on('comando', namespace='/shell') | |
| def comando(comando): | |
| c = comando['msg'] | |
| emit('message', {'msg': '$ ' + c}) | |
| print(c) | |
| try: | |
| b = subprocess.check_output(c, shell=True).decode() | |
| except Exception as err: | |
| b = str(err) | |
| emit('message', {'msg': b}) | |
| if __name__ == '__main__': | |
| socketio.run(app) | |
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