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Poor Man’s 3D Printer Looks Rough, Prints Great!

June 1, 2014 / / 0 Comments

In this Instructable, Gelstronic proves anyone can afford a 3D printer. Why? Because you can literally build one out of computer e-waste — specifically, DVD/CD drives. His goal was to build a printer for less than a hundred euros. And he darn well did it. The most expensive part was the hot-end coming in at 20 euros. He managed to find a Chinese Arduino MEGA 2560 for only 10 euros, and everything else was basically pocket change. The hot end features a geared NEMA 17 look-a-like stepper motor he found in a printer, and the XYZ axis all make use of the DVD drive trays. The only downside to this massive reusing of e-waste is the bed size. Due to the limited range of motion…

Original Article Can be Found Here:

Poor Man’s 3D Printer Looks Rough, Prints Great!

Also published on Medium.

Workaround for Updating a Hyper-V Generation 2 VM with KB2920189

June 1, 2014 / / 0 Comments

During my last updating round, I noticed that a number of VMs in my Windows Azure Pack lab, had problems with security update KB2920189. Reading the Microsoft Security Advisory, it states that Microsoft is revoking the digital signature for four private, third-party UEFI (Unified Extensible Firmware Interface) modules that could be loaded during UEFI Secure Boot. These UEFI (Unified Extensible Firmware Interface) modules are partner modules distributed in backup and recovery software. When the update is applied, the affected UEFI modules will no longer be trusted and will no longer load on systems where UEFI Secure Boot is enabled. The affected UEFI modules consist of specific Microsoft-signed modules that are not in compliance with our certification program and are being revoked at the request of …

Original Article Can be Found Here:

Workaround for Updating a Hyper-V Generation 2 VM with KB2920189

Bypassing Windows ASLR in Microsoft Word using Component Object Model (COM) objects

June 1, 2014 / / 0 Comments

A couple of months ago a RTF 0-day was used in attacks and to bypass ASLR (Address Space Layout Randomization) it was using a non-ASLR module MSCOMCTL.OCX. This got me interested to research into how it was actually loading up and discover if there were any more modules that could be used in the future following the recent Microsoft bulletin MS14-024 that finally implemented ASLR on the module. I started with an exploit taken from MetaSploit which exploits the Microsoft Word RTF Object Confusion vulnerability (CVE-2014-1761) and patched in April updates MS14-017 . This exploit uses module MSCOMCTL.OCX to bypass ASLR and what I needed was that part of the code so removed all other code leaving it just to load the OCX file. …

Original Article Can be Found Here:

Bypassing Windows ASLR in Microsoft Word using Component Object Model (COM) objects

Google Cuts off Chrome Extensions That Don’t Come From the Web Store

May 31, 2014 / / 0 Comments

A while back Google said that it would stop letting Windows users install Chrome extensions that didn’t come directly from the Web Store. The company ended up delaying the plan, but there is no more fighting it. Today users of the stable channel of Chrome on Windows will no longer be able to install extensions from outside the Web Store. That won’t impact too many users thankfully, but it could make it difficult for those that like to run experimental add-ons. If you’ve already sideloaded extensions from outside of the Chrome Web Store, those will be disabled starting today; if you want to re-enable them, you’ll have to make the switch to the dev channel of the browser. The idea is to protect users from…

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Google cuts off Chrome extensions that don’t come from the Web Store

Also published on Medium.

Top 10 Incredibly Useful Windows Programs to Have On Hand

May 31, 2014 / / 0 Comments

Some apps are essential, and you use them every day. Everyone knows their names: Firefox, VLC, 7-Zip, and so on. However, there’s another class of app that gets less attention: the apps that are insanely useful to have in your back pocket on the rare occasions you need them. Here are 10 of our favorites. 10. Speccy Maybe you’ve forgotten what kind of RAM you bought, or want a quick glance at your CPU’s temperature. Speccy scans your machine and gives you a complete rundown of everything, from model numbers to temperatures, fan speeds, S.M.A.R.T. status, and…well, pretty much anything else you can think of. It’s also available in portable form, so you don’t have to install anything – just stick it in a folder…

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Top 10 Incredibly Useful Windows Programs to Have On Hand

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