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ThreatPost
Researchers have never before seen SquirrelWaffle attackers use typosquatting to keep sending spam once a targeted Exchange server has been patched for ProxyLogon/ProxyShell.
Bleeping Computer
Oiltanking GmbH, a German petrol distributor who supplies Shell gas stations in the country, has fallen victim to a cyberattack that severely impacted its operations. [...]
ZDNet Security
An early analysis of Log4Shell suggests quick action by tech vendors and open-source software developers averted a crisis. But the bug will lurk in systems for years to come.
ThreatPost
It’s not my intention to be alarmist about the Log4j vulnerability (CVE-2021-44228), known as Log4Shell, but this one is pretty bad. First of all, Log4j is a ubiquitous logging library that is very widely used by millions of computers. Second, the director of the U.S. Cybersecurity & Infrastructure Security Agency (CISA) says this is the […]
Dark Reading
In this Tech Tip, SANS Institute’s Johannes Ullrich suggests using PowerShell to identify Windows systems affected by the newly disclosed vulnerability in http.sys.
Dark Reading
Ox4Shell exposes hidden payloads thatare actively being used to confuse security protection tools and security teams.
ZDNet Security
A new China-based "double extortion" ransomware has started exploiting the Log4Shell bug in VMware server products.
The Hacker News
New research into the infrastructure behind an emerging DDoS botnet named Abcbot has uncovered links with a cryptocurrency-mining botnet attack that came to light in December 2020. Attacks involving Abcbot, first disclosed by Qihoo 360's Netlab security team in November 2021, are triggered via a malicious shell script that targets insecure cloud instances operated by cloud service providers such
The Hacker News
The digital security team at the U.K. National Health Service (NHS) has raised the alarm on active exploitation of Log4Shell vulnerabilities in unpatched VMware Horizon servers by an unknown threat actor to drop malicious web shells and establish persistence on affected networks for follow-on attacks. "The attack likely consists of a reconnaissance phase, where the attacker uses the Java Naming