- New Miori Variant Uses Unique Protocol to Communicate with C&C
July 10, 2019
We first detailed a new Mirai variant called Miori in a report late last year after finding the malware spreading via a ThinkPHP Remote Code Execution (RCE) vulnerability. It has recently reappeared bearing a notable difference in the way it communicates with its command-and-control (C&C) server. This Miori variant departs from the usual binary-based protocol and uses ...
- Anubis Android Malware Returns with Over 17,000 Samples
July 8, 2019
The 2018 mobile threat landscape had banking trojans that diversified their tactics and techniques to evade detection and further monetize their malware — and in the case of the Anubis Android malware, retooled for other malicious activities. Anubis underwent several changes since it first emerged, from being used for cyberespionage to being retooled as a banking malware, combining information ...
- Latest Spam Campaigns from TA505 Now Using New Malware Tools Gelup and FlowerPippi
July 4, 2019
Since our last research on TA505, we have observed new activity from the group that involves campaigns targeting different countries over the last few weeks. We found them targeting countries in the Middle East such as United Arab Emirates and Saudi Arabia, as well as other countries such as India, Japan, Argentina, the Philippines, and South Korea. This ...
- Sodin ransomware exploits Windows vulnerability and processor architecture
July 3, 2019
When Sodin (also known as Sodinokibi and REvil) appeared in the first half of 2019, it immediately caught our attention for distributing itself through an Oracle Weblogic vulnerability and carrying out attacks on MSP providers. In a detailed analysis, we discovered that it also exploits the CVE-2018-8453 vulnerability to elevate privileges in Windows (rare among ransomware), and uses legitimate processor ...
- A Quick and Efficient Method For Locating the main () function of Linux ELF Malware Variants
July 2, 2019
Linux is a family of open source operating systems (OS) commonly used to run internet of things (IoT) devices and web servers. The prevalence of the OS, as expected, has turned it into a valuable target for cybercriminals casting wide nets to reach more potential victims. In the past few years, Linux systems have been susceptible ...
- New Dridex Variant Slips By Anti-Virus Detection
June 28, 2019
A never-before-seen Dridex variant has been spotted in phishing emails using anti-virus detection evasion tactics. Researchers have spotted a variant of the Dridex banking trojan with new obfuscation capabilities that help it skirt anti-virus detection. While Dridex has been around since 2011, researchers told Threatpost Friday that they recently spotted phishing emails distributing a never-before-seen variant of the ...
- Thousands of IoT Devices Bricked By Silex Malware
June 27, 2019
A 14-year-old hacker bricked at least 4,000 Internet of Things devices with a new strain of malware called Silex this week. Threatpost talks to the researcher who discovered the malware. A 14-year-old hacker used a new strain of malware this week to brick up to 4,000 insecure Internet of Things devices – before abruptly shutting down ...
- Newly-Discovered Malware Targets Unpatched MacOS Flaw
June 25, 2019
Researchers have discovered never-before-seen Mac malware samples, which they believe are being developed to target a recently-disclosed vulnerability in the MacOS operating system. The vulnerability, a bypass that was disclosed in May and has yet to be patched by Apple, exists in the MacOS Gatekeeper security feature, which verifies downloaded applications before allowing them to run on Macs. ...
- Riltok mobile Trojan: A banker with global reach
June 25, 2019
Riltok is one of numerous families of mobile banking Trojans with standard (for such malware) functions and distribution methods. Originally intended to target the Russian audience, the banker was later adapted, with minimal modifications, for the European “market.” The bulk of its victims (more than 90%) reside in Russia, with France in second place (4%). ...
- Plurox: Modular backdoor
June 18, 2019
In February this year, a curious backdoor passed across our virtual desk. The analysis showed the malware to have a few quite unpleasant features. It can spread itself over a local network via an exploit, provide access to the attacked network, and install miners and other malicious software on victim computers. What’s more, the backdoor ...