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June 9, 2015 06:49

Microsoft Patch Tuesday - June 2015

Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products. This month’s release sees a total of 8 bulletins being released which address 45 CVE. Two of the bulletins are listed as Critical and address

June 5, 2015 06:00

My Resume Protects All Your Files

This post was authored by Nick Biasini Talos has found a new spam campaign that is using multiple layers of obfuscation to attempt to evade detection.  spammers are always evolving to get their messages to the end users by bypassing spam filters while still appearing convincing

June 5, 2015 01:05

Angler EK: More Obfuscation, Fake Extensions, and Other Nonsense

This post was authored by Nick Biasini Late last week Talos researchers noticed a drastic uptick in Angler Exploit Kit activity. We have covered Angler previously, such as the discussion of domain shadowing. This exploit kit evolves on an almost constant basis. However, the rece

May 20, 2015 05:38

Little Links, Big Headaches

This post was authored by Earl Carter & Jaeson Schultz. Talos is always fascinated by the endless creativity of those who send spam. Miscreants who automate sending spam using botnets are of particular interest. Talos has been tracking a spam botnet that over the past severa

May 12, 2015 09:12

Microsoft Patch Tuesday - May 2015

Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products.  This month’s release sees a total of 13 bulletins being released which address 48 CVEs. Three of the bulletins are listed as Critical and add

May 4, 2015 04:00

Threat Spotlight: Rombertik - Gazing Past the Smoke, Mirrors, and Trap Doors

This post was authored by Ben Baker and Alex Chiu. Executive Summary Threat actors and security researchers are constantly looking for ways to better detect and evade each other.  As researchers have become more adept and efficient at malware analysis, malware authors have mad

April 27, 2015 04:39

Threat Spotlight: TeslaCrypt - Decrypt It Yourself

This post was authored by: Andrea Allievi, Earl Carter & Emmanuel Tacheau Update 4/28: Windows files recompiled with backward compatibility in Visual Studio 2008 Update 5/8: We've made the source code available via Github here After the takedown of Cryptolocker, we hav

April 19, 2015 23:05

Threat Spotlight: Upatre - Say No to Drones, Say Yes to Malware

Talos has observed an explosion of malicious downloaders in 2015 which we’ve documented on several occasions on our blog. These downloaders provide a method for attackers to push different types of malware to endpoint systems easily and effectively. Upatre is an example of a mali

April 14, 2015 07:40

Microsoft Patch Tuesday for April 2015: 11 Bulletins Released

Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products.  This month’s release sees a total of 11 bulletins being released which address 26 CVEs.  The first 4 bulletins are rated Critical and address