Mattia Campagnano

Mattia Campagnano

Thursday, March 31, 2016

Don't click that file! How to hack Windows XP SP3 with an msfvenom payload

LEGAL DISCLAIMER: This "hack" has been performed by using virtual machines running on my own computer. Don't use it against other people's systems, unless you've been given explicit written permission by their owners. I'm not responsible for any unintended use of these instructions.

A bunch of people on Quora keep asking me why it's so important to keep your system up-to-date.

They think if they keep using Windows XP, they're fine.

This post answers their questions better than any words.

Kali Linux includes a tool, called msfvenom, allowing to realize a custom payload for you to hack into a victim machine.

Sunday, March 27, 2016

How to opt in and out from OS X Beta versions

How to opt in

If you enrolled your Mac for Apple Beta program, you can download betas and early releases straight from App Store.

For you to do this, you need to download and install a component called OSXElCapitanPublicBetaAccessUtility.dmg

The only downside to it is you're required to install it on your physical OS X, which can not be the most recommendable course of action on production Macs.

If you don't want this, you can opt out from these updates.

How to opt out

Go to System Preferences/App Store.

Click Change next to "Your computer is setup to receive pre-release software update seeds".

Then select "Do Not Show Pre-release Updates". These updates won't show up again in App Store.

Should you change your mind later on, you need to reinstall the .dmg package.

In fact, after performing that change, App Store options will get modified as shown below:

If you want to test pre-release versions without compromising your production Mac, the best option is, IMHO, to activate this setting in an OS X virtual machine.
This will allow to test betas and early releases and play safe, without exposing to any risk whatsoever.

Friday, March 11, 2016

OS X KE Ranger ransomware - if you play with dirt, you’ll get dirty

An OS X ransomware variant, called KE Ranger, has been recently detected.
According to its description, it uses two main vectors:
  1. Torrents (a software called Transmission 2.90)
  2. Phishing emails.
In my opinion, like I already mentioned in my previous post Bye-bye, ransomware! ACYA later!, this happens because people keep doing dumb stuff and click whatever they see, regardless of all the breaches that keep occurring.
Any malware requires a positive action on your end. It can't infect your system, if you don't click a link, install a program, or open something you shouldn't.
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