Find listening network ports

Hi, To obtain a list of all the open ports of your system and which are the associated applications to them just execute command: netstat -tulp ip or nmap -sT -O ip 9 may 2022 update: As @rogierm points out, netstat is obsolete and its replacement is ss. Then the equivalent command to with ss would be: $ sudo ss -tulp You can read more about this topic here: difference between

JSDetox installation

According to its main site JSDetox is a Javascript malware analysis tool using static analysis/deobfuscation techniques and an execution engine featuring HTML DOM emulation. To install it just execute these steps: (These actions have been tested using a Kali Linux installation) Requisites to be able to install JSDetox are: git- ruby- ruby-dev libxslt1-dev- libxml2-dev build-essential It may appear this error: The installation of therubyracer 0.9.8 has a problem and can’t

(Solution) A start job is running for Hold until boot finishes up – Ubuntu

After trying to install the Gnome desktop in my Ubuntu 16.04 I couldn’t boot again my computer after rebooting. When I pressed ctrl+alt+f2 the message: «A start job is running for Hold until boot finishes up» appeared. After a little Google searching I was able to figure out the issue. It was a problem with Gdm. So I had to use again LightDM. To fix it follow these steps: When booting

(Solución) Deshabilitar Network Manager en Debian

Para comprobar si Network Manager está gestionando alguna interface de red  usaremos nmcli. (Viene incluido en Network Manager) Estas instruciones estan probadas en un entorno Debian o basados en él (como Kali Linux) Si en el apartado aparece que un dispositivo esta en un estado de unmanaged no está siendo gestionado por Network Manager, sin embargo si aparece otro valor como connected si que está siendo gestionado. Para desactivar Network

Cuckoo Sandbox Guideline – Preparing the guest (2/2)

This is the second and the last blog post of a whole article to explain how to install Cuckoo Sandbox. If you haven’t read first article yet please read it first here. Preparing the guest: Creation of the Virtual Machine Once you have properly installed your virtualization software, you can proceed on creating all the virtual machines you need to execute the samples. Requirements: Install Python Python is a strict

Cuckoo Sandbox Install Guideline – Preparing the host (1/2)

Cuckoo Sandbox is an open source software for automating analysis of suspicious files. To do so it makes use of custom components that monitor the behavior of the malicious processes while running in an isolated environment.Cuckoo Sandbox has been recently updated to the version 2.0 and the steps to install it have changed a lot. For this reason I’m re-writing my tutorial to explain how to install it. It is

Cómo crear un usuario y añadirlo a al grupo sudoers en linux

Aquí os enseño cómo crear un usuario al sistema y añadirlo posteriormente al grupo de sudoers. Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully

Extract an email attached files from linux command line

To extract all attached object that may exist in an e-mail file (e.g., emailName.eml) an application called munpack can be used. To install this application (I’ve used an Ubuntu/Debian environment) The usage is very easy:

Hello World

Bienvenido a mi nuevo blog. Este es un proyecto pensado básicamente para poder explicar todas esas cosas que voy aprendiendo día a día en el mundo de la seguridad informática, linux y cosas varias. En el podrás encontrar noticias, guías, manuales, tutoriales y apuntes que voy realizando sobre mis actividades diarias. (Aviso antes de empezar que estos artículos podrán estar escritos indistintamente en castellano/inglés) Espero que estos apuntes y manuales

Happy 2019 and new blog again?

Hi,New year and I’ve messed up a little bit with my WordPress blog and what’s better than try a new blogging platform. Now cleaner, sooner, better… 🙂 If you are looking for one of the old post you just need a little bit of patience. All of the old posts will be recovered. Rubén