AvosLocker Ransomware Variant Abuses Driver File to Disable Anti-Virus, Scans for Log4shell

trend Micro researchers found samples of AvosLocker ransomware that makes use of a legitimate driver file to disable anti-virus solutions and detection evasion. While previous AvosLocker infections employ similar routines, this is the first sample they observed from the US Read More …

AWS’s Log4Shell Hot Patch Vulnerable to Container Escape and Privilege Escalation

ollowing Log4Shell, AWS released several hot patch solutions that monitor for vulnerable Java applications and Java containers and patch them on the fly. Each solution suits a different environment, covering standalone servers, Kubernetes clusters, Elastic Container Service (ECS) clusters and Read More …

Chinese hackers Deep Panda return with Log4Shell exploits, new Fire Chili rootkit

Deep Panda has launched new attacks this month that exploit Log4Shell to deploy the new Fire Chili rootkit. Deep Panda is a Chinese advanced persistent threat (APT) hacking group that has been active for at least a decade. The APT Read More …

Log4J: Microsoft discovers attackers targeting undisclosed SolarWinds vulnerability

Microsoft researchers have discovered a previously undisclosed vulnerability in the SolarWinds Serv-U software while monitoring threats related to Log4J vulnerabilities. Jonathan Bar Or explained on Twitter that while he was hunting for a Log4J exploit attempt, he noticed attacks coming Read More …

Log4j flaw attack levels remain high, Microsoft warns

Microsoft has warned Windows and Azure customers to remain vigilant after observing state-sponsored and cyber-criminal attackers probing systems for the Log4j ‘Log4Shell’ flaw through December. Disclosed by the Apache Software Foundation on December 9, Log4Shell will likely take years to Read More …

FTC warns companies to remediate Log4j security vulnerability

Log4j is a ubiquitous piece of software used to record activities in a wide range of systems found in consumer-facing products and services. Recently, a serious vulnerability in the popular Java logging package, Log4j (CVE-2021-44228) was disclosed, posing a severe Read More …

Aquatic Panda Used Log4Shell Exploit Tools During Hands-on Intrusion Attempt – CrowdStrike

Since the vulnerability was announced, CrowdStrike’s OverWatch threat hunters have been continuously ingesting the latest insights about the Log4j vulnerability as well as publicly disclosed exploit methods to influence their continuous hunting operations. On Dec. 14, 2021, VMware issued guidance Read More …

Examining Log4j Vulnerabilities in Connected Cars and Charging Stations

Since its disclosure on Dec. 9, a vast number of articles have been written on the remote code execution (RCE) vulnerability in the library Apache Log4j — a reflection of its impact. The library is used by innumerable programs to Read More …

Mitigating Log4Shell and Other Log4j-Related Vulnerabilities

The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), National Security Agency (NSA), Australian Cyber Security Centre (ACSC), Canadian Centre for Cyber Security (CCCS), the Computer Emergency Response Team New Zealand (CERT NZ), the New Zealand Read More …

What to Do About Log4j

Log4j poses some deep challenges to IT. In this article I’ll discuss some tactical measures people are already taking now and over the next week or two, and some strategic guidance for what to do after the immediate crisis abates. Read More …