The downloaded application imitates a trustworthy remote access app, but once installed, it does not show up on any list of active software or running processes. The bad actor might send an email attachment or a link to a seemingly legitimate website where the user can download the software. To install a RAT on a machine, the hacker must first fool the owner into downloading the software. The difference is that RATs are designed to stay hidden and carry out tasks without the device owner's consent or knowledge. RAT malware works just like non-malicious remote access tools. Then, from 2010 to 2019, RATs with more potent features entered the scene, and the targeted operating systems expanded from Windows to include mobile OS like Android and iOS. By 2010, more malicious types of malware emerged, such as DarkComet, Gh0st, and PoisonIvy. However, more sophisticated RATs appeared over time, and the intent became more malicious. The remote access allowed hackers to simply change the display background or make the CD tray pop in and out. The initial intent was playful, and some saw RATs as an initiation ritual for young hackers. RATs first appeared in the '90s following the creation of the first legitimate remote access tools in 1989. ![]() Once installed, it provides access to the RAT hacker. In the same way, a RAT fools recipients into “inviting” the malicious software into their machine. Once the Trojan horse entered the city, the soldiers ravaged the city of Troy. However, Greek soldiers were hiding in its belly. According to Greek mythology, the Greeks left this giant hollow horse as an offering to the goddess Athena. The designation “Trojan” references the mythological Trojan horse used to conquer Troy in the Trojan War. So to differentiate, professionals use "remote access tools" for legitimate access purposes and the term "Remote Access Trojan" for criminal access and control. However, not all remote access is illegal. The hacker can do all this without the owner's consent or knowledge. Once the hacker gains access, they can use the infected machine for several illegal activities, such as harvesting credentials from the keyboard or clipboard, installing or removing software, stealing files, and hijacking the webcam. RAT hackers have developed several Trojan varieties, and security teams and antivirus software developers are working hard to keep up.īut what is a RAT, and how does it work? More importantly, how can you detect a RAT infection or protect organizational resources from becoming infected in the first place?Īccording to the Remote Access Trojan definition, a RAT is a form of malware that provides the perpetrator remote access and control of the infected computer or server. Remote Access Trojans (RATs) are a considerable threat to organizations worldwide. However, using remote access and control for nefarious purposes is also becoming more common. ![]() ![]() With the rise of remote work during the COVID-19 pandemic and the scalability demanded by globalization and digital transformation, remote access tools usage has seen a significant rise. ![]() For years, tools for accessing computers and servers remotely-such as Microsoft’s Remote Desktop Protocol (RDP) and TeamViewer to access computers and remotely control servers so they can work outside of the office or provide technical user support. Remote access and control of computers is not entirely criminal.
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