Hackers Deploy Linux Rootkits via Cisco SNMP Flaw in 'Zero Disco' Attacks

Cybersecurity researchers have disclosed details of a new campaign that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, unprotected systems. The activity, codenamed Operation Zero Disco by Trend Micro, involves the...

EUVD-2022-50318

Malicious code in bioql PyPI...

Apache ActiveMQ Flaw Exploited to Deploy DripDropper Malware on Cloud Linux Systems

Threat actors are exploiting a nearly two-year-old security flaw in Apache ActiveMQ to gain persistent access to cloud Linux systems and deploy malware called DripDropper. But in an unusual twist, the unknown attackers have been observed patching the exploited vulnerability after securing initial...

Earth Kurma Targets Southeast Asia With Rootkits and Cloud-Based Data Theft Tools

Government and telecommunications sectors in Southeast Asia have become the target of a "sophisticated" campaign undertaken by a new advanced persistent threat APT group called Earth Kurma since June 2024. The attacks, per Trend Micro, have leveraged custom malware, rootkits, and cloud storage...

Earth Kurma APT Campaign Targets Southeast Asian Government, Telecom Sectors

An APT group dubbed Earth Kurma is actively targeting government and telecommunications organizations in Southeast Asia using advanced malware, rootkits, and trusted cloud services to conduct cyberespionage...

How ToddyCat tried to hide behind AV software

To hide their activity in infected systems, APT groups resort to various techniques to bypass defenses. Most of these techniques are well known and detectable by both EPP solutions and EDR threat-monitoring and response tools. For example, to hide their activity in Windows systems, cybercriminals...

Researchers Uncover OS Downgrade Vulnerability Targeting Microsoft Windows Kernel

A new attack technique could be used to bypass Microsoft's Driver Signature Enforcement DSE on fully patched Windows systems, leading to operating system OS downgrade attacks. "This bypass allows loading unsigned kernel drivers, enabling attackers to deploy custom rootkits that can neutralize...

Perfectl Malware

Perfectl in an impressive piece of malware: The malware has been circulating since at least 2021. It gets installed by exploiting more than 20,000 common misconfigurations, a capability that may make millions of machines connected to the Internet potential targets, researchers from Aqua Security...

ModTracer - ModTracer Finds Hidden Linux Kernel Rootkits And Then Make Visible Again

ModTracer Finds Hidden Linux Kernel Rootkits and then make visible again. Another way to make an LKM visible is using the imperius trick: https://github.com/MatheuZSecurity/Imperius Download ModTracer...

UNC3886 Covert Operations Leveraging Rootkits and Backdoored Applications

...

UNC3886 Uses Fortinet, VMware 0-Days and Stealth Tactics in Long-Term Spying

The China-nexus cyber espionage actor linked to the zero-day exploitation of security flaws in Fortinet, Ivanti, and VMware devices has been observed utilizing multiple persistence mechanisms in order to maintain unfettered access to compromised environments. "Persistence mechanisms encompassed...

Apache ActiveMQ Flaw Exploited in New Godzilla Web Shell Attacks

Cybersecurity researchers are warning of a "notable increase" in threat actor activity actively exploiting a now-patched flaw in Apache ActiveMQ to deliver the Godzilla web shell on compromised hosts. "The web shells are concealed within an unknown binary format and are designed to evade security...

New Attacks Target Misconfigured Apache Applications with Monero Miner

Summary: A recently identified attack exploits misconfigurations in Apache Hadoop and Flink to deploy cryptocurrency miners within targeted environments. This attack stands out due to the attackers utilization of packers and rootkits to conceal the malware, adding an extra layer of complexity and...

Cryptominers Targeting Misconfigured Apache Hadoop and Flink with Rootkit in New Attacks

Cybersecurity researchers have identified a new attack that exploits misconfigurations in Apache Hadoop and Flink to deploy cryptocurrency miners within targeted environments. "This attack is particularly intriguing due to the attacker's use of packers and rootkits to conceal the malware," Aqua...

New Linux Krasue RAT Targeting Telecom Companies in Thailand

Summary: Krasue, a new Linux Remote Access Trojan, targets Thai organizations, primarily in telecommunications, using embedded rootkits and a unique RTSP-based communication tactic. Believed to be connected to XorDdos, it evades detection through various stealth measures, emphasizing the importan...

Kinsing Malware Utilizes Apache ActiveMQ RCE to Deploy Rootkits

Summary: The Kinsing malware operator is actively taking advantage of the critical vulnerability CVE-2023-46604 in Apache ActiveMQ, an open-source message broker. The vulnerability allows remote code execution, facilitating deployment of Kinsing malware aka h2miner, which functions as a...

Kinsing Hackers Exploit Apache ActiveMQ Vulnerability to Deploy Linux Rootkits

The Kinsing threat actors are actively exploiting a critical security flaw in vulnerable Apache ActiveMQ servers to infect Linux systems with cryptocurrency miners and rootkits. "Once Kinsing infects a system, it deploys a cryptocurrency mining script that exploits the host's resources to mine...

CVE-2023-46604 (Apache ActiveMQ) Exploited to Infect Systems With Cryptominers and Rootkits

We uncovered the active exploitation of the Apache ActiveMQ vulnerability CVE-2023-46604 to download and infect Linux systems with the Kinsing malware also known as h2miner and cryptocurrency miner...

Linux rootkits explained – Part 2: Loadable kernel modules

Part 2 dives into the world of LKMs Loadable Kernel Modules and kernel-space rootkits to explore what LKMs are, how attackers abuse them, and how to detect them...

CVE-2022-47558

Devices ekorCCP and ekorRCI are vulnerable due to access to the FTP service using default credentials. Exploitation of this vulnerability can allow an attacker to modify critical files that could allow the creation of new users, delete or modify existing users, modify configuration files, install...