AsyncRAT has emerged as a notable Remote Access Trojan (RAT) used by threat actors for its robust capabilities and ease of deployment. It gained favor for its extensive feature set, which includes keylogging, screen capturing, and remote command execution capabilities.
Its modular architecture, typically implemented in Python, provides flexibility and ease of customization, making it a preferred tool of choice for cybercriminals. During Trend Micro investigation of AsyncRAT infections, we observed Python scripts playing a central role in the infection chain, automating various stages of the attack. The initial payload, a Windows Script Host (WSH) file, was designed to download and execute additional malicious scripts hosted on a WebDAV server.
Read more…
Source: Trend Micro
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Critical RCE Flaw in Linux APT Allows Remote Attackers to Hack Systems
January 22, 2019
Just in time… Some cybersecurity experts this week arguing over Twitter in favor of not using HTTPS and suggesting software developers to only rely on signature-based package verification, just because APT on Linux also does the same. Ironically, a security researcher just today revealed details of a new critical remote code execution flaw in the apt-get utility that can be exploited by ...
- New Phobos ransomware exploits weak security to hit targets around the world
January 21, 2019
A prolific cybercrime gang behind a series of ransomware attacks is distributing a new form of the file-encrypting malware which combines two well known and successful variants in a series of attacks against businesses around the world. Dubbed Phobos by its creators, the ransomware first emerged in December and researchers at CoveWare have detailed how it shares a number of ...
- DarkHydrus abuses Google Drive to spread RogueRobin Trojan
January 21, 2019
The DarkHydrus advanced persistent threat (APT) group is back and this time is not only using Windows vulnerabilities to infect victims but is also abusing Google Drive as an alternative communications channel. Last week, researchers from the 360 Threat Intelligence Center (360TIC) said the hackers have a new campaign underway which is focusing on targets in the Middle ...
- WiFi firmware bug affects laptops, smartphones, routers, gaming devices
January 18, 2019
Details have been published today about a vulnerability affecting the firmware of a popular WiFi chipset deployed in a wide range of devices, such as laptops, smartphones, gaming rigs, routers, and Internet of Things (IoT) devices. Discovered by Embedi researcher Denis Selianin, the vulnerability impacts ThreadX, a real-time operating system (RTOS) that is used as firmware for ...
- New Android Malware Apps Use Motion Sensor to Evade Detection
January 18, 2019
Even after so many efforts by Google for preventing its Play Store from malware, shady apps somehow managed to fool its anti-malware protections and get into its service to infect Android users with malware. Two such Android apps have recently been spotted on the Google Play Store by security researchers with the Trend Micro malware research ...
- LoJax rootkit used by Russian-linked Fancy Bear has been silently active since 2016
January 17, 2019
Researchers have discovered that LoJax, the malware that formed the foundation for devastating Fancy Bear attacks in 2018, has been silently active for years. Use of this infrastructure by the Russian-linked hacking group was exposed in September 2018, just a few months after the LoJax servers were first discovered by security researchers in May. LoJax was last ...

