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The Rffuste blog Posts

How to “clear” a used port in a Linux system using a Django application.

Hi, If you face an error: “Error: That port is already in use.” you can solve it following these steps. This solution has been tested…

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How to enable 32 bit support to a 64 bit Ubuntu system

Hi, Days ago I found a problem running a linux binary. After checking everything I could, it still couldn’t be executed. $ ./crackme0x00 bash: ./crackme0x00:…

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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…

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

Cuckoo Sandbox Install Guideline Cuckoo Sandbox is an open source software for automating analysis of suspicious files. To do so it makes use of custom…

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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…

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Extract an attached file from an e-mail

To extract all attached objects that may exist in an e-mail file (e.g., emailName.eml) an application called munpack can be used. To install this application…

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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 …

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Ubuntu 16.04 – A start job is running for Hold until boot finishes up [Error]

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…

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Cuckoo sandbox install notes part 3 (Windows guest configuration anb web interface)

Hi, This is the last part of this small Cuckoo sandbox installation notes. I assume that virtualbox is installed in the system. Guest isolation You…

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Kali linux: Crear un nuevo usuario y añadirlo al grupo de sudoers

Hola, Aquí os enseño como crear un usuario al sistema y añadirlo posteriormente al grupo de sudoers. root@kali:~# useradd -m username -G sudo -s /bin/bash root@kali:~#…

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