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Sometimes you’ll hear Apple fans - or even people in the security community - say that the only way to get infected by a Mac Trojan is to “do something dumb”. We want to be very clear about something here. No matter what Apple does from a security standpoint, there’s really nothing to prevent a bad actor from creating a piece of malware and then tricking the user into running it.

#MACOS MALWARE RUNONLY AVOID DETECTION FOR INSTALL#

To be blunt, if a person is determined to install a malicious program on their Mac, Apple can’t do a whole lot to stop them! That’s why Mac Trojans are such a persistent problem on macOS. However, there’s one vulnerability that Apple can’t address through security engineering: risky user behavior. But still, all things considered, Apple has done a pretty good job of making macOS safer than Windows.

#MACOS MALWARE RUNONLY AVOID DETECTION FOR FULL#

In addition, a macOS 0-day can result in a full bypass of the Mac’s built-in security features. The native Mac malware detection tool, XProtect, only provides the most basic protection, and there have been some serious problems with App Notarization in the past. Now, this doesn’t mean Macs are impervious to malware. MacOS was designed with a number of security features that prevent bad actors from infecting Macs with malware. Use anti-detection capabilities to bypass system scans and escape noticeĪrguably, Trojans aren’t just a problem on Mac, they’re the problem on Mac! Here’s why.Hijack a Mac’s computing power for cryptomining.Log keystrokes, take screenshots, and record audio on the infected machine.Execute arbitrary commands on a compromised Mac (with varying levels of permissions depending on the Trojan).

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Download and install additional malicious components, from adware and PUPs to far more dangerous second-stage payloads.

Upload and download arbitrary files onto an infected system.

Communicate with a command and control (C&C) server.

Here’s a high-level overview of what they can do (but keep in mind that not every macOS Trojan will have all of these capabilities): The range of possible malicious behaviors shown by Mac Trojans is quite broad. But that makes it difficult to say exactly what a given Mac Trojan will do, since they can all behave differently! OK, so the term “Trojan” refers to the way the malware gets onto a Mac - not the functionality of the malware itself. It looks harmless, but once it’s “inside the walls”, so to speak, its true purpose becomes apparent.

In terms of cybersecurity, we can define Trojan horse malware as follows: A Trojan is a malicious program that pretends to be something it isn’t so that a user will install it.

That night, Odysseus and his men crept out from their hiding place, and opened the city’s gates to the waiting Greek army. The Trojans, believing that their enemies had finally admitted defeat, and had left the wooden horse behind as an offering, brought it into their city. Odysseus then had the horse delivered to the gates of Troy, while the rest of the Greeks pretended to sail away. So the wily King Odysseus came up with a trick. He instructed the Greeks to build a giant wooden horse, and hid inside it with an elite group of soldiers. It comes from Greek mythology: is a reference to the stratagem that won the Trojan War.Īccording to legend, the Greek army had been unable to breach the walls of Troy despite a 10-year siege. The name “Trojan horse” is a clue to the meaning. Rather, we’re talking about how the program infects a computer. When we talk about Trojan horse malware, we’re not referring to a specific type of malicious program.

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In this updated guide, we’ll tell you everything you need to know about Mac Trojan horse malware: What it is, what it does, and how to stay safe! What is a Trojan, exactly?įirst, a clarification. Mac Trojan Horse Malware Guide (Updated and expanded for 2022)