BLOGS By Michael Gorelik

Before diving into the analysis of CVE-2018-4878, a quick reminder that this is the continuation of our previous post, which provided background on CVE-2018-4878, including a  video of how Morphisec prevents any attacks leveraging this Flash...

How an organization handles the time between the unleashing of a zero-day and the availability of a patch is telling. There are basically two kinds of companies – those that try to mitigate the risk as best they can while they wait for a patch and...

The IT world is still shaking from the news that most modern processors have severe architecture flaws. This makes it possible for attackers to gain access to user mode and kernel memory data to leak crypto-keys, passwords, memory structures like...

A report co-authored by Michael Gorelik, CTO and VP R&D, and Roy Moshailov, Malware Research Expert at Morphisec.

Fileless malware is a type of a malicious code execution technique that operates completely within process memory; no files are dropped...

This report was authored by: Michael Gorelik and Assaf Kachlon.

Last week’s malware news was filled with the CCleaner backdoor exposed by Morphisec’s security solution. This week Morphisec uncovered another ongoing malware campaign, this one a...

As widely reported today, the Avast-owned security application CCleaner was illegally modified by hackers. According to Avast, some 2.27 million users were running the weaponized version 5.33 of CCleaner. In addition, the CCleaner cloud version 1.07...

Introduction

On June 7, 2017, Morphisec Lab identified a new, highly sophisticated fileless attack targeting restaurants across the US. The ongoing campaign allows hackers to seize system control and install a backdoor to steal financial information...

Introduction

From April 19-24, 2017, a politically motivated, targeted campaign was carried out against numerous Israeli organizations. Morphisec researchers began investigating the attacks on April 24 and continue to uncover more details. Initial...

Introduction

On the 8^th of March,, Morphisec researchers began investigating a new fileless threat delivered via a macro-enabled Word document, which was attached to a phishing email sent to targeted high-profile enterprises. During the course of...

Cerber ransomware is one of the most sophisticated and popular ransomware families, attacking victims across the globe. Additional popular ransomware families in the cybercriminal’s arsenal include Locky (Osiris), Spora, Shade and several others.

UPDATED POST  - NOW WITH DETAILED TECHNICAL ANALYSIS!

During October 17 to 21, Morphisec identified and prevented several malicious and sophisticated macro-based documents at the site of one of our customers delivering a fileless Kovter backdoor...

Morphisec Prevents Major Malspam campaign - Again

In our report at the beginning of September about a large-scale malspam campaign discovered and stopped by Morphisec, we pointed out the central role that malware spam plays for hackers and the...

New Locky – Zepto variant prevented by Morphisec

Since Locky’s discovery in February 2016, it has emerged as one of the most prevalent and devastating ransomware threats of 2016. Over the last two months, ransomware in general has evolved greatly in...

Spam is still the preferred attack vector for cyber criminals and malware spam campaigns continue to increase. According to the Symantec Internet Threat Report, 1 in 220 emails in 2015 contained malware. While this figure may seem low, consider that...

There are kits for everything these days: beer brewing, engine tuning, and, yes, hacking. Hacking's “exploit kits” (EKs)—toolkits with packaged exploit codes—let almost anyone become a digital intruder, from the guy down the hall to the nation-state...

Angler Hangs Up Its Pole

Back in April, more than 80% of drive by download attacks were attributed to Angler. Now? Nearly zero. Speculation abounds regarding its disappearance earlier this month. A vacation by Angler operators? Black market price...

The disappearance of Angler has left a gaping hole in the malware market which cybercriminals are only to happy to fill with new variants of old standbys. The latest to reemerge after a period of disuse are Locky and Dridex. A new Locky campaign...

With fileless malware popping up more and more frequently, particularly sophisticated PowerShell attacks, we thought it useful to examine these threats by reverse engineering those in-memory samples from Virus Total that have the lowest detection...

Yet another critical Flash vulnerability was uncovered this month, thanks to researchers at FireEye. The vulnerability, CVE-2016-4117, exists in Flash 21.0.0.226 and earlier versions for Windows, Mac, Linux, and Chrome OS. It received a CVSS v3...