JavaScript | Scripting and security

var http = require("http");

http.createServer(function(request, response) {
  response.writeHead(200, {"Content-Type": "text/html"});
  response.write("Servidor funcionando");
  response.end();
}).listen(8888);

var http = require("http");

http.createServer(function(request, response) {

response.writeHead(200, {"Content-Type": "text/html"});

response.write("Servidor funcionando");

response.end();

}).listen(8888);

JavaScript Node.js

Listar los ficheros de un directorio con Node.JS

27/06/201927/06/2019

const { exec } = require('child_process');
  
exec('ls /', (err, stdout, stderr) => {
  if (err) {
    console.error(`exec error: ${err}`);
    return;
  }

  console.log(`Ficheros: ${stdout}`);
});

const { exec } = require('child_process');

exec('ls /', (err, stdout, stderr) => {

if (err) {

console.error(`exec error: ${err}`);

return;

}

console.log(`Ficheros: ${stdout}`);

});

JavaScript

Invitar o conectarte con gente de forma masiva en LinkedIn con JavaScript

18/11/201818/11/2018

var countOfPagesScrolled = 5;

function scrollDown(height, countOfPagesScrolled){
	scroll(0, document.body.clientHeight);
	setTimeout(function(){
		if(height != document.body.clientHeight && countOfPagesScrolled > 0){
			scrollDown(document.body.clientHeight, --countOfPagesScrolled);
		}else
			return sendRequest();
	}, 2000);
}

function sendRequest(){
	var contactsNum = 0;
	jQuery.each( $('.artdeco-button--secondary'), 	function() {
		contactsNum++;
		$(this).click();
		console.log($(this).attr('title') + ' ' + contactsNum);
	});
	console.log('Just added contacts: ' + contactsNum);
}

scrollDown(document.body.clientHeight, countOfPagesScrolled);

var countOfPagesScrolled = 5;

function scrollDown(height, countOfPagesScrolled){

scroll(0, document.body.clientHeight);

setTimeout(function(){

if(height != document.body.clientHeight && countOfPagesScrolled > 0){

scrollDown(document.body.clientHeight, --countOfPagesScrolled);

}else

return sendRequest();

}, 2000);

}

function sendRequest(){

var contactsNum = 0;

jQuery.each( $('.artdeco-button--secondary'), function() {

contactsNum++;

$(this).click();

console.log($(this).attr('title') + ' ' + contactsNum);

});

console.log('Just added contacts: ' + contactsNum);

}

scrollDown(document.body.clientHeight, countOfPagesScrolled);

JavaScript Node.js

Leer un archivo JSON con la programación Movistar+ en Node.js

22/06/201819/06/2018

var http = require('https');

var url = 'https://www.jesusninoc.com/s/movistar.php';
 
 http.get(url, function(res) {
      var body = '';
 
      res.on('data', function(chunk) {
         body += chunk;
      });
 
      res.on('end', function() {
        var jsonData = JSON.parse(body)
        for (var i = 0; i < jsonData.length; ++i) {
          console.log(jsonData[i].Nombre);
          console.log(jsonData[i].Pases[0].Titulo);
          console.log("----------------------------------");
        }
      });
    }).on('error', function(e) {
      console.log("Error: " + e.message);
 });

var http = require('https');

var url = 'https://www.jesusninoc.com/s/movistar.php';

http.get(url, function(res) {

var body = '';

res.on('data', function(chunk) {

body += chunk;

});

res.on('end', function() {

var jsonData = JSON.parse(body)

for (var i = 0; i < jsonData.length; ++i) {

console.log(jsonData[i].Nombre);

console.log(jsonData[i].Pases[0].Titulo);

console.log("----------------------------------");

}

});

}).on('error', function(e) {

console.log("Error: " + e.message);

});

JavaScript Node.js PowerShell

Listar procesos de PowerShell con Node-PowerShell (Node.JS)

04/06/201809/06/2018

const shell = require('node-powershell');
 
let ps = new shell({
  executionPolicy: 'Bypass',
  noProfile: true
});
 
ps.addCommand('ps')
ps.invoke()
.then(output => {
  console.log(output);
})
.catch(err => {
  console.log(err);
  ps.dispose();
});

const shell = require('node-powershell');

let ps = new shell({

executionPolicy: 'Bypass',

noProfile: true

});

ps.addCommand('ps')

ps.invoke()

.then(output => {

console.log(output);

})

.catch(err => {

console.log(err);

ps.dispose();

});

JavaScript Node.js PowerShell

Crear una comunicación entre un cliente en PowerShell de Windows y un servidor en Node.js utilizando TCP/IP

02/06/201831/05/2018

Servidor en Node.js

var net = require('net');

var HOST = '127.0.0.1';
var PORT = 6969;

// Create a server instance, and chain the listen function to it
// The function passed to net.createServer() becomes the event handler for the 'connection' event
// The sock object the callback function receives UNIQUE for each connection
net.createServer(function(sock) {
    
    // We have a connection - a socket object is assigned to the connection automatically
    console.log('CONNECTED: ' + sock.remoteAddress +':'+ sock.remotePort);
    
    // Add a 'data' event handler to this instance of socket
    sock.on('data', function(data) {
        
        console.log('DATA ' + sock.remoteAddress + ': ' + data);
        // Write the data back to the socket, the client will receive it as data from the server
        sock.write('You said "' + data + '"');
        
    });
    
    // Add a 'close' event handler to this instance of socket
    sock.on('close', function(data) {
        console.log('CLOSED: ' + sock.remoteAddress +' '+ sock.remotePort);
    });
    
}).listen(PORT, HOST);

console.log('Server listening on ' + HOST +':'+ PORT);

var net = require('net');

var HOST = '127.0.0.1';

var PORT = 6969;

// Create a server instance, and chain the listen function to it

// The function passed to net.createServer() becomes the event handler for the 'connection' event

// The sock object the callback function receives UNIQUE for each connection

net.createServer(function(sock) {

// We have a connection - a socket object is assigned to the connection automatically

console.log('CONNECTED: ' + sock.remoteAddress +':'+ sock.remotePort);

// Add a 'data' event handler to this instance of socket

sock.on('data', function(data) {

console.log('DATA ' + sock.remoteAddress + ': ' + data);

// Write the data back to the socket, the client will receive it as data from the server

sock.write('You said "' + data + '"');

});

// Add a 'close' event handler to this instance of socket

sock.on('close', function(data) {

console.log('CLOSED: ' + sock.remoteAddress +' '+ sock.remotePort);

});

}).listen(PORT, HOST);

console.log('Server listening on ' + HOST +':'+ PORT);

Cliente en PowerShell

##Client
$port=6969
$TcpClient=New-Object System.Net.Sockets.TcpClient([IPAddress]::Loopback, $port)

$GetStream = $TcpClient.GetStream()
$StreamWriter = New-Object System.IO.StreamWriter $GetStream

$positions='Hi'

$StreamWriter.Write($positions)

$StreamWriter.Dispose()
$GetStream.Dispose()
$TcpClient.Dispose()

##Client

$port=6969

$TcpClient=New-Object System.Net.Sockets.TcpClient([IPAddress]::Loopback, $port)

$GetStream = $TcpClient.GetStream()

$StreamWriter = New-Object System.IO.StreamWriter $GetStream

$positions='Hi'

$StreamWriter.Write($positions)

$StreamWriter.Dispose()

$GetStream.Dispose()

$TcpClient.Dispose()

JavaScript Security

Crear un fichero PDF con un script embebido de JavaScript

17/02/201810/02/2018

La herramienta make-pdf-javascript.py permite crear un PDF con un script embebido de JavaScript. Descargar La herramienta se puede descargar desde: make-pdf_V0_1_7.zip (https) Más información PDF Tools

JavaScript PowerShell

Mostrar las búsquedas de “El año en búsquedas 2017” mediante PowerShell usando JavaScript (solución 3)

09/01/201803/01/2018

$ie = New-Object -comobject InternetExplorer.Application

$ie.Navigate2("https://google.com/trends/embed/yis/2017/GLOBAL/3bc22de5-427e-4737-8e27-f96ee7d75edf?forceMobileMode=false&isPreviewMode=true&hl=es")
 
$ie.Visible = $false

while($ie.ReadyState -ne 4) {start-sleep -m 100}

$ie.document.scripts | % {
    if($_.uniqueNumber -eq 4)
    {
        $_.text,$_.uniqueNumber
        "<script>"+$_.text+"var Items = embedWidgetGlobals.data.listItems; alert(Items)</script>" | Out-File result.html
    }
}

.\result.html

$ie = New-Object -comobject InternetExplorer.Application

$ie.Navigate2("https://google.com/trends/embed/yis/2017/GLOBAL/3bc22de5-427e-4737-8e27-f96ee7d75edf?forceMobileMode=false&isPreviewMode=true&hl=es")

$ie.Visible = $false

while($ie.ReadyState -ne 4) {start-sleep -m 100}

$ie.document.scripts | % {

if($_.uniqueNumber -eq 4)

{

$_.text,$_.uniqueNumber

"<script>"+$_.text+"var Items = embedWidgetGlobals.data.listItems; alert(Items)</script>" | Out-File result.html

}

.\result.html

JavaScript PowerShell

Utilizar funciones de JavaScript en PowerShell

05/01/201803/01/2018

$src = @'
static function hola(arg) {
  var msg = "Hola " + arg;
  Console.WriteLine(msg);
}
'@
$JS = (Add-Type -Language JScript -MemberDefinition $src -Name "JSHola" -PassThru)[1]
$JS::hola((Read-host "Introduzca nombre"))

$src = @'

static function hola(arg) {

var msg = "Hola " + arg;

Console.WriteLine(msg);

}

$JS = (Add-Type -Language JScript -MemberDefinition $src -Name "JSHola" -PassThru)[1]

$JS::hola((Read-host "Introduzca nombre"))

JavaScript PowerShell

Mostrar las búsquedas de “El año en búsquedas 2017” mediante PowerShell usando JavaScript (solución 2)

04/01/201803/01/2018

$ie = New-Object -comobject InternetExplorer.Application

$ie.Navigate2("https://google.com/trends/embed/yis/2017/GLOBAL/3bc22de5-427e-4737-8e27-f96ee7d75edf?forceMobileMode=false&isPreviewMode=true&hl=es")
 
$ie.Visible = $false

while($ie.ReadyState -ne 4) {start-sleep -m 100}

$ie.document.scripts | % {
    if($_.uniqueNumber -eq 4)
    {
        $_.text,$_.uniqueNumber
        
        $ie = New-Object -com "InternetExplorer.Application"
        $ie.Navigate("About:blank")
        $ie.visible = $true
        $ie.Document.write("<script>"+$_.text+"var Items = embedWidgetGlobals.data.listItems; alert(Items)</script>")
    }
}

$ie = New-Object -comobject InternetExplorer.Application

$ie.Navigate2("https://google.com/trends/embed/yis/2017/GLOBAL/3bc22de5-427e-4737-8e27-f96ee7d75edf?forceMobileMode=false&isPreviewMode=true&hl=es")

$ie.Visible = $false

while($ie.ReadyState -ne 4) {start-sleep -m 100}

$ie.document.scripts | % {

if($_.uniqueNumber -eq 4)

{

$_.text,$_.uniqueNumber

$ie = New-Object -com "InternetExplorer.Application"

$ie.Navigate("About:blank")

$ie.visible = $true

$ie.Document.write("<script>"+$_.text+"var Items = embedWidgetGlobals.data.listItems; alert(Items)</script>")

}

Older Posts