Function | Scripting and security

function Ver-Tam
{
  [CmdletBinding()]
  param
  (
    [Parameter(Mandatory,ValueFromPipeline)]
    [String]
    $Url
  )
  
  process
  {
    $webRequest = [System.Net.WebRequest]::Create($Url)
    $response = $webRequest.GetResponse()
    $response.ContentLength
    $response.Dispose()
  }
}

Ver-Tam https://www.jesusninoc.com/wp-content/plugins/wp-postratings/images/stars_crystal/rating_over.gif

function Ver-Tam

{

[CmdletBinding()]

param

(

[Parameter(Mandatory,ValueFromPipeline)]

[String]

$Url

)

process

{

$webRequest = [System.Net.WebRequest]::Create($Url)

$response = $webRequest.GetResponse()

$response.ContentLength

$response.Dispose()

}

Ver-Tam https://www.jesusninoc.com/wp-content/plugins/wp-postratings/images/stars_crystal/rating_over.gif

PowerShell

Ejecutar un código de PowerShell con un tiempo de espera

11/07/201911/06/2019

function Ejecutar-Tiempo
{
    param
    (
        [Parameter(Mandatory)]
        [ScriptBlock]
        $Code,

        [int]
        $Timeout = 5

    )

    $j = Start-Job -ScriptBlock $Code
    $completed = Wait-Job $j -Timeout $Timeout
    if ($completed -eq $null)
    {
      throw "Finalizado."
      Stop-Job -Job $j
    }
    else
    {
      Receive-Job -Job $j
    }
    Remove-Job -Job $j
}

Ejecutar-Tiempo -Code {notepad}

function Ejecutar-Tiempo

{

param

(

[Parameter(Mandatory)]

[ScriptBlock]

$Code,

[int]

$Timeout = 5

)

$j = Start-Job -ScriptBlock $Code

$completed = Wait-Job $j -Timeout $Timeout

if ($completed -eq $null)

{

throw "Finalizado."

Stop-Job -Job $j

}

else

{

Receive-Job -Job $j

}

Remove-Job -Job $j

}

Ejecutar-Tiempo -Code {notepad}

JavaScript Node.js

Crear un servidor web simple con Node.JS

28/06/201927/06/2019

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);

PowerShell

Analizar las conexiones que tiene abiertas el proceso que más CPU consume en Windows con PowerShell mediante una función

29/05/201929/05/2019

function monitorizar
{
  param()
  begin
  {
  }
  process
  {
    foreach($conex in @(netstat -ano))
    {
        foreach($proceso in ps | where id -EQ ((Get-Process -name chrome | sort cpu -Descending | select -First 1).id))
        {
            if($conex -match $proceso.Id -and $proceso.Id -ne 4 -and $proceso.Id -ne 0)
            {
                write-host $conex “-PROCESO->” $proceso.Name $proceso.Id
            }
        }
    }
  }
  end
  {
  }
}

monitorizar

function monitorizar

{

param()

begin

{

}

process

{

foreach($conex in @(netstat -ano))

{

foreach($proceso in ps | where id -EQ ((Get-Process -name chrome | sort cpu -Descending | select -First 1).id))

{

if($conex -match $proceso.Id -and $proceso.Id -ne 4 -and $proceso.Id -ne 0)

{

write-host $conex “-PROCESO->” $proceso.Name $proceso.Id

}

end

{

}

monitorizar

Node.js PowerShell

Mostrar la descripción de los procesos que se están ejecutando desde PowerShell con Node-PowerShell (Node.JS) y mostrarlos en una web con Express

24/11/201824/11/2018

Es necesario instalar: Node-powershell

npm i -S node-powershell

1	npm i -S node-powershell

Express

npm install --save express

1	npm install --save express

Código para listar procesos de PowerShell con Node-PowerShell (Node.JS) y mostrarlos en una web con Express:

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

let ps = new shell({
  executionPolicy: 'Bypass',
  noProfile: true
});
 
ps.addCommand('Get-Process | select Name,Product,Description | ConvertTo-Html')
ps.invoke()
.then(output => {
  console.log(output);
  app.get('/', function (req, res) {
    res.send(output);
  })  
})
.catch(err => {
  console.log(err);
  ps.dispose();
});

app.listen(3000, function () {
  console.log('Example app listening on port 3000!')
})

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

const express = require('express')

const app = express()

let ps = new shell({

executionPolicy: 'Bypass',

noProfile: true

});

ps.addCommand('Get-Process | select Name,Product,Description | ConvertTo-Html')

ps.invoke()

.then(output => {

console.log(output);

app.get('/', function (req, res) {

res.send(output);

})

.catch(err => {

console.log(err);

ps.dispose();

});

app.listen(3000, function () {

console.log('Example app listening on port 3000!')

})

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);

PowerShell

Usar los parámetros predeterminados en PowerShell

19/08/201816/08/2018

function Funcion1
{
    param($ID=100)
 
    "ID = $ID"
}
 
function Funcion2
{
    [CmdletBinding()]
    param($ID=100)
 
    "ID = $ID"
 
}
 
$PSDefaultParameterValues = @{
    "Funcion2:ID" = 12345
}

function Funcion1

{

param($ID=100)

"ID = $ID"

}

function Funcion2

{

[CmdletBinding()]

param($ID=100)

"ID = $ID"

}

$PSDefaultParameterValues = @{

"Funcion2:ID" = 12345

}

PowerShell Visual Basic

Ejecutar un programa utilizando VisualBasic desde PowerShell

10/08/201820/06/2018

Add-Type -AssemblyName Microsoft.VisualBasic

function Ejecutar
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory=$true,ValueFromPipeline=$false )]
        [String]
        $ejecutar
    )
    
    process
    {
        try
        {
            [Microsoft.VisualBasic.Interaction]::Shell($ejecutar)
        }
        catch
        {
            Write-Warning "Error occured: $_"
        }
    }
}

Add-Type -AssemblyName Microsoft.VisualBasic

function Ejecutar

{

[CmdletBinding()]

param

(

[Parameter(Mandatory=$true,ValueFromPipeline=$false )]

[String]

$ejecutar

)

process

{

try

{

[Microsoft.VisualBasic.Interaction]::Shell($ejecutar)

}

catch

{

Write-Warning "Error occured: $_"

}

C Programming in Linux Tutorial #047 – system() Function

08/08/201808/06/2018

C Programming in Linux Tutorial #037 – pipe() Function

03/08/201808/06/2018

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