DJVU Ransomware's Latest Variant 'Xaro' Disguised as Cracked Software

A variant of a ransomware strain known as DJVU has been observed to be distributed in the form of cracked software. "While this attack pattern is not new, incidents involving a DJVU variant that appends the .xaro extension to affected files and demanding ransom for a decryptor have been observed...

Multiple North Korean threat actors exploiting the TeamCity CVE-2023-42793 vulnerability

Since early October 2023, Microsoft has observed two North Korean nation-state threat actors – Diamond Sleet and Onyx Sleet – exploiting CVE-2023-42793, a remote-code execution vulnerability affecting multiple versions of JetBrains TeamCity server. TeamCity is a continuous integration/continuous...

CVE-2022-4039

A flaw was found in Red Hat Single Sign-On for OpenShift container images, which are configured with an unsecured management interface enabled. This flaw allows an attacker to use this interface to deploy malicious code and access and modify potentially sensitive information in the app server...

Chinese Hacking Group Exploits Barracuda Zero-Day to Target Government, Military, and Telecom

A suspected Chinese-nexus hacking group exploited a recently disclosed zero-day flaw in Barracuda Networks Email Security Gateway ESG appliances to breach government, military, defense and aerospace, high-tech industry, and telecom sectors as part of a global espionage campaign. Mandiant, which i...

Data Center Vulnerabilities a Ticking Time Bomb for Cloud Services

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Several flaws in critical data center infrastructure management systems and power distribution units pose a significant risk to cloud-based services. CyberPowers PowerPanel Enterprise has four...

WINTAPIX Kernel Driver Targeting Middle Eastern Nations

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The WINTAPIX driver, protected by VMProtect, targets Saudi Arabia and other Gulf countries, possibly linked to Iranian threat actors exploiting Exchange servers for malware deployment. To receive real-ti...

Hackers Exploiting Remote Desktop Software Flaws to Deploy PlugX Malware

Security vulnerabilities in remote desktop programs such as Sunlogin and AweSun are being exploited by threat actors to deploy the PlugX malware. AhnLab Security Emergency Response Center ASEC, in a new analysis, said it marks the continued abuse of the flaws to deliver a variety of payloads on...

Experts Sound Alarm Over Growing Attacks Exploiting Zoho ManageEngine Products

Multiple threat actors have been observed opportunistically weaponizing a now-patched critical security vulnerability impacting several Zoho ManageEngine products since January 20, 2023. Tracked as CVE-2022-47966 CVSS score: 9.8, the remote code execution flaw allows a complete takeover of the...

Log4j: One Year Later

One year ago, the Log4j remote code execution vulnerability known as Log4Shell CVE-2021-44228 was announced. The critical severity level vulnerability in a logging framework used across virtually all Java environments quickly set the internet on fire when it was released and exploited. It’s...

Unknown threat groups continues to exploit Log4j in VMware Products

Threat Level Attack Report For a detailed advisory, download the pdf file here Summary An unknown APT group is exploiting the Log4j vulnerability that is affecting VMware Horizon and Unified Access Gateway UAG servers to compromise the system and take over the entire network by deploying malware...

Massive increase in XorDDoS Linux malware in last six months

Microsoft says its recorded a massive increase in XorDDoS activity 254 percent in the last six months. XorDDoS, a Linux Trojan known for its modularity and stealth, was first discovered in 2014 by the white hat research group, MalwareMustDie MMD. MMD believed the Linux Trojan originated in China...

Cisco 809 and 829 Industrial Integrated Services Routers Cisco IOS Privilege Permission and Access Control Issues Vulnerability

Cisco IOS is a set of operating systems developed for its network devices.Cisco 809 Industrial Integrated Services Routers is an industrial integrated multi-service router.Cisco 829 Industrial Cisco 829 Industrial Integrated Services Routers are industrial integrated multi-service routers. A...

RATicate Group Hits Industrial Firms With Revolving Payloads

Researchers have unearthed a new cybercrime group, RATicate, which is behind several waves of malspam attacks targeting industrial companies with various information-stealing payloads – from LokiBot to Agent Tesla. At least six separate campaigns have been tied to RATicate, with the first wave...

The vulnerability of the server software Wowza Streaming Engine, related to errors in the use of standard permissions, allows a violator to execute arbitrary code.

The vulnerability of the server software Wowza Streaming Engine is related to errors in the use of standard permissions. Exploiting this vulnerability allows an attacker to execute arbitrary code by introducing malware into one of these files located in the directory...

Google Kubernetes Privilege Access Control Vulnerability

Google Kubernetes is an open source Docker container cluster management system from Google, Inc. The system provides resource scheduling, deployment and operation, service discovery and scaling up and down for containerized applications. A privilege access control vulnerability exists in Google...

PoC Attack Escalates MikroTik Router Bug to ‘As Bad As It Gets’

A new hacking technique used against vulnerable MikroTik routers gives attackers the ability to execute remote code on affected devices. The technique is yet another security blow against the MikroTik router family. Previous hacks have left the routers open to device failures, cyptojacking and...

Breaking the attack chain

The attack chain. It’s a term used often in infosecurity. Also known as the kill chain, it was originally used as a military concept to describe the structure of an attack. It serves the same function in cybersecurity, where various methods of malware infiltration, deployment, and execution are...

Threat actors leverage EternalBlue exploit to deliver non-WannaCry payloads

The “EternalBlue” exploit MS017-010 was initially used by WannaCry ransomware and Adylkuzz cryptocurrency miner. Now more threat actors are leveraging the vulnerability in Microsoft Server Message Block SMB protocol – this time to distribute Backdoor.Nitol and Trojan Gh0st RAT. FireEye Dynamic...

Huawei EMUI Path Traversal Vulnerability

Huawei EMUI is a set of intelligent terminal human-computer interaction system based on the Android platform developed by China's Huawei Huawei. A path traversal vulnerability exists in Huawei EMUI version 3.1, which originates from the program's failure to adequately verify the path of a specifi...

Wiping Out a Malicious Campaign Abusing Chinese Ad Platform

At FireEye Labs, we have discovered another well-crafted malvertising campaign that uses the ad API of one of the world’s largest search engines: China-based Baidu. The attacker employs a simple HTML redirector instead of shellcode or an exploit in an apparently benign-looking website. This leads...