Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based...

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based...

Sysrv botnet is out to mine Monero on your Windows and Linux servers

In a Twitter thread, the Microsoft Security Intelligence team have revealed new information about the latest versions of the Sysrv botnet. The variant they focused on uses a range of known exploits for vulnerabilities in web apps and databases to install cryptocurrency miners on both Windows and...

Intel Q1’18 Intel® Active Management Technology 9.x/10.x/11.x Security Review Cumulative Update

Summary: In an effort to continuously improve the robustness of the Intel® Converged Security Management Engine Intel® CSME, Intel has performed a security review of its Intel® CSME with the objective of continuously enhancing firmware resilience. Description: In an effort to continuously improve...

USR IOT 4G LTE Industrial Cellular VPN Router 1.0.36 - Remote Root Backdoor

Exploit Title: USR IOT 4G LTE Industrial Cellular VPN Router 1.0.36 - Remote Root Backdoor Exploit Author: LiquidWorm !/usr/bin/env python3 USR IOT 4G LTE Industrial Cellular VPN Router 1.0.36 Remote Root Backdoor Vendor: Jinan USR IOT Technology Limited Product web page: https://www.pusr.com |...

A week in security (May 2 – 8)

Last week on Malwarebytes Labs: Google, Apple, and Microsoft step hand in hand into a passwordless future OpenSea warns of Discord channel compromise Avoid these Instagram “Get rich with Bitcoin” scams Steer clear of fake premium mobile app unlockers How Instagram scammers talk users out of their...

uClibc, uClibc-ng libraries have monotonically increasing DNS transaction ID

Overview The uClibc and uClibc-ng libraries, prior to uClibc-ng 1.0.41, are vulnerable to DNS cache poisoning due to the use of predicatble DNS transaction IDs when making DNS requests. This vulnerability can allow an attacker to perform DNS cache poisoning attacks against a vulnerable environmen...

Unfixed vulnerability in popular library puts IoT products at risk

Researchers have found a vulnerability in a popular C standard library in IoT products that could allow attackers to perform DNS poisoning attacks against a target device. The library is known to be used by major vendors such as Linksys, Netgear, and Axis, but also by Linux distributions such as...

New Sophisticated Malware

Mandiant is reporting on a new botnet. The group, which security firm Mandiant is calling UNC3524, has spent the past 18 months burrowing into victims networks with unusual stealth. In cases where the group is ejected, it wastes no time reinfecting the victim environment and picking up where thin...

Unpatched DNS Bug Puts Millions of Routers, IoT Devices at Risk

An unpatched Domain Name System DNS bug in a popular standard C library can allow attackers to mount DNS poisoning attacks against millions of IoT devices and routers to potentially take control of them, researchers have found. Researchers at Nozomi Networks Labs discovered the flaw affecting the...

Unpatched DNS Related Vulnerability Affects a Wide Range of IoT Devices

Cybersecurity researchers have disclosed an unpatched security vulnerability that could pose a serious risk to IoT products. The issue, which was originally reported in September 2021, affects the Domain Name System DNS implementation of two popular C libraries called uClibc and uClibc-ng that ar...

New Hacker Group Pursuing Corporate Employees Focused on Mergers and Acquisitions

A newly discovered suspected espionage threat actor has been targeting employees focusing on mergers and acquisitions as well as large corporate transactions to facilitate bulk email collection from victim environments. Mandiant is tracking the activity cluster under the uncategorized moniker...

CVE-2022-29556

The iot-manager microservice 1.0.0 in Northern.tech Mender Enterprise before 3.2.2 allows SSRF because the Azure IoT Hub integration provides several SSRF primitives that can execute cross-tenant actions via internal API endpoints...

CVE-2022-29556

The iot-manager microservice 1.0.0 in Northern.tech Mender Enterprise before 3.2.2 allows SSRF because the Azure IoT Hub integration provides several SSRF primitives that can execute cross-tenant actions via internal API endpoints...

CVE-2022-29556

The iot-manager microservice 1.0.0 in Northern.tech Mender Enterprise before 3.2.2 allows SSRF because the Azure IoT Hub integration provides several SSRF primitives that can execute cross-tenant actions via internal API endpoints...

Server side request forgery (ssrf)

The iot-manager microservice 1.0.0 in Northern.tech Mender Enterprise before 3.2.2 allows SSRF because the Azure IoT Hub integration provides several SSRF primitives that can execute cross-tenant actions via internal API endpoints...

CVE-2022-29556

The iot-manager microservice 1.0.0 in Northern.tech Mender Enterprise before 3.2.2 allows SSRF because the Azure IoT Hub integration provides several SSRF primitives that can execute cross-tenant actions via internal API endpoints...

CVE-2022-29556

CVE-2022-29556 affects the iot-manager microservice 1.0.0 in Northern.tech Mender Enterprise before 3.2.2. The vulnerability arises from the Azure IoT Hub integration, which exposes SSRF primitives that can be used to execute cross-tenant actions via internal API endpoints. This leads to potentia...

FBI warns food and agriculture to brace for seasonal ransomware attacks

The Federal Bureau of Investigation FBI recently released a Private Industry Notification warning agriculture cooperatives also known as "farmers co-ops" of the looming danger of well-timed ransomware attacks. The agency warns that during the critical planting and harvesting seasons, attacks coul...

Microsoft best practices for managing IoT security concerns

The Internet of Things, or IoT, has expanded beyond the mere concept that it was when first introduced. IoT is now part of most individuals’ daily activities, from smart speakers and thermostats to smartwatches and vehicles. IoT devices and systems bring massive convenience and functionality. IoT...