Blog

Research and insight on cutting-edge malware and advanced threats


Anatomy of CryptoWall 3.0 – a look inside ransomware’s tactics

Background CryptoWall is a new and highly destructive variant of ransomware. Ransomware is malicious software (malware) that infects your computer and holds hostage something of value to you in exchange for money. Older ransomware used to block access to computers. Newer ransomware, such as CryptoWall, takes your data hostage. With CryptoWall, thieves use asymmetric encryption,[…]

Security/Sentinel Labs Intelligence Reports/Threats

OSX.IronCore.A or what we know about OSX.FlashImitator.A

On December 12th, Apple updated XProtect, OS X’s built-in malware detection tool, to include a signature for OSX.FlashImitator.A. We analyzed the matched file and found even more samples. For some time now, OS X has been the target of Download Valley companies such as Genieo Innovation and Conduit, until Apple published an adware removal guide. This article is about a new potentially unwanted program,[…]

Security/Sentinel Labs Intelligence Reports

Control Panel in New Zeus Variant Reveals Sophistication of Crime Rings

SentinelOne recently discovered a new variant of the Zeus online banking malware that is targeting Canada’s largest banks including: Bank of Montreal (BMO), Royal Bank of Canada (RBC) and National bank of Canada. The most interesting findings we made were in the control panel used by the attackers. More on that a little later. This[…]

Sentinel Labs Intelligence Reports/Threats

How Technically Accurate is Blackhat the Movie?

This weekend Michael Mann’s latest movie Blackhat, starring Chris Hemsworth, Tang Wei, Viola Davis, Holt McCallany, and Wang Leehom, was released. Given the high profile mainstream media coverage of attacks and data breaches over the past few years, it’s not surprising that Hollywood is capitalizing on cyber-crime trends. We were curious about how accurately the[…]

Security/Threats

The Truth About Whitelisting

In recent years, security products utilizing application whitelisting have gained popularity as a cost-effective alternative for fighting malware and advanced persistent threats. In this first in a series of posts about whitelisting, we will discuss the limitations of relying on whitelisting for combatting both common threats and APTs. First generation whitelisting mechanisms were introduced by[…]

Security/Threats

2015 Predictions Report: Hostage-Ware, OS X, Power Grids and More

Based on our predictive execution inspection technology, which monitors every process on machines it protects, we have unique visibility into advanced attacks. For example, earlier this year our researchers discovered and reported on government grade attack code being used to make ransomware invisible. As a result, we are regularly called upon by law enforcement and[…]

Security/Sentinel Labs Intelligence Reports/Threats

WireLurker Malware Targets iPhone and Mac

The news last week that malware had infected Apple phones and computers in China sent a shiver down the spine of Mac and iPhone users everywhere. The malware, called WireLurker, targets Apple mobile and desktop devices to steal personal information. So far, the campaign has only affected users in China, but it illustrates the new[…]

Security/Threats

Unpatched Vulnerabilities Leave Apple Users at Risk

Apple has a long-standing reputation for silence when it comes to security. Whether it’s OS X or iOS, details around vulnerabilities, security patches and malware attacks are often obscured. This has led leading researchers and security vendors to reference the notorious idiom “security through obscurity” to describe Apple’s approach to threats. Whether this approach is[…]

Security/Threats

Sandworm Demonstrates Why Patches aren’t Foolproof

Last week the security community was scrambling to update new AV signatures while continuing to patch systems against new variants of the “Sandworm” malware, which attacks Windows systems using a zero-day flaw that can enable attackers to take complete control of an infected system. The vulnerability used by Sandworm resides in a Windows component called[…]

Security/Threats

Is Zero Day Java Exploit Detection Possible?

Java is an expansive, ubiquitous, platform agnostic infrastructure for delivering remote code to endpoint computers. That makes it a perfect malware distribution pipeline. It enables malware authors to take advantage of Java exploits to infect computers on a global scale. To make matters worse, security updates are not installed automatically when the Java updater launches,[…]

Security/Threats