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The Hacker News 1 year, 10 months ago

Anatomy of an Attack

In today's rapidly evolving cyber threat landscape, organizations face increasingly sophisticated attacks targeting their applications. Understanding these threats and the technologies designed to combat them is crucial. This article delves into the mechanics of a common application attack, using the infamous Log4Shell vulnerability as an example, and demonstrates how Application Detection and

Bank Info Security 2 years, 5 months ago

FritzFrog Botnet Exploits Log4Shell

Botnet Looks for Vulnerable Internal Network MachinesDelivering more proof that the Log4Shell vulnerability is endemic, Akamai researchers detected botnet malware updated to use the flaw as an infection vector. Log4Shell burst into public awareness in late 2021 when security researchers identified a flaw in the ubiquitous Apache Log4J 2 Java library.

Lack of awareness still blamed for patching apathy despite it being among most infamous bugs of all time Two years after the Log4Shell vulnerability in the open source Java-based Log4j logging utility was disclosed, circa one in four applications are dependent on outdated libraries, leaving them open to exploitation.…

Roughly 38% of applications using the Apache Log4j library are using a version vulnerable to security issues, including Log4Shell, a critical vulnerability identified as CVE-2021-44228 that carries the maximum severity rating, despite patches being available for more than two years. [...]

The Register 3 years, 6 months ago

It’s time to fill those cloud security gaps

Here’s how Wiz can help Sponsored Feature When software vulnerabilities and zero days moved up the enterprise worry list 15 years ago, nobody imagined the world would one day end up with a threat as perplexing as Log4Shell – a vulnerability in the Apache Log4j open source logging framework that's used in software on all major operating systems spanning everything from cloud services to PC games.…

A threat actor associated with the LockBit 3.0 ransomware-as-a-service (RaaS) operation has been observed abusing the Windows Defender command-line tool to decrypt and load Cobalt Strike payloads.  According to a report published by SentinelOne last week, the incident occurred after obtaining initial access via the Log4Shell vulnerability against an unpatched VMware Horizon Server

Trend Micro Research, News and Perspectives 4 years ago

Log4Shell Vulnerability in VMware Leads to Data Exfiltration and Ransomware

We analyzed cases of a Log4Shell vulnerability being exploited in certain versions of the software VMware Horizon. Many of these attacks resulted in data being exfiltrated from the infected systems. However, we also found that some of the victims were infected with ransomware days after the data exfiltration.

CISA warned today that threat actors including state-backed hacking groups are still targeting VMware Horizon and Unified Access Gateway (UAG) servers using the Log4Shell (CVE-2021-44228) remote code execution vulnerability. [...]

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