CVE-2023-2868: Total Compromise of Physical Barracuda ESG Appliances

Rapid7 incident response teams are investigating exploitation of physical Barracuda Networks Email Security Gateway ESG appliances dating back to at least November 2022. As of June 6, 2023, as part of an ongoing product incident response, Barracuda is urging ESG customers to immediately...

CVE-2023-2868

A remote command injection vulnerability exists in the Barracuda Email Security Gateway appliance form factor only product effecting versions 5.1.3.001-9.2.0.006. The vulnerability arises out of a failure to comprehensively sanitize the processing of .tar file tape archives. The vulnerability ste...

New 'MichaelKors' Ransomware-as-a-Service Targeting Linux and VMware ESXi Systems

A new ransomware-as-service RaaS operation called MichaelKors has become the latest file-encrypting malware to target Linux and VMware ESXi systems as of April 2023. The development points to cybercriminal actors increasingly setting their eyes on the ESXi, cybersecurity firm CrowdStrike said in ...

SolarWinds Detected Six Months Earlier

New reporting from Wired reveals that the Department of Justice detected the SolarWinds attack six months before Mandiant detected it in December 2020, but didnt realize what it detected--and so ignored it. WIRED can now confirm that the operation was actually discovered by the DOJ six months...

Google Cloud Introduces Security AI Workbench for Faster Threat Detection and Analysis

Google's cloud division is following in the footsteps of Microsoft with the launch of Security AI Workbench that leverages generative AI models to gain better visibility into the threat landscape. Powering the cybersecurity suite is Sec-PaLM, a specialized large language model LLM that's...

Google Cloud Introduces Security AI Workbench for Faster Threat Detection and Analysis

Google's cloud division is following in the footsteps of Microsoft with the launch of Security AI Workbench that leverages generative AI models to gain better visibility into the threat landscape. Powering the cybersecurity suite is Sec-PaLM, a specialized large language model LLM that's...

N.K. Hackers Employ Matryoshka Doll-Style Cascading Supply Chain Attack on 3CX

The supply chain attack targeting 3CX was the result of a prior supply chain compromise associated with a different company, demonstrating a new level of sophistication with North Korean threat actors. Google-owned Mandiant, which is tracking the attack event under the moniker UNC4736, said the...

3CX Breach Was a Double Supply Chain Compromise

We learned some remarkable new details this week about the recent supply-chain attack on VoIP software provider 3CX. The lengthy, complex intrusion has all the makings of a cyberpunk spy novel: North Korean hackers using legions of fake executive accounts on LinkedIn to lure people into opening...

North Korean Hackers Uncovered as Mastermind in 3CX Supply Chain Attack

Enterprise communications service provider 3CX confirmed that the supply chain attack targeting its desktop application for Windows and macOS was the handiwork of a threat actor with North Korean nexus. The findings are the result of an interim assessment conducted by Google-owned Mandiant, whose...

Microsoft (& Apple) Patch Tuesday, April 2023 Edition

Microsoft today released software updates to plug 100 security holes in its Windows operating systems and other software, including a zero-day vulnerability that is already being used in active attacks. Not to be outdone, Apple has released a set of important updates addressing two zero-day...

CISA Warns of 5 Actively Exploited Security Flaws: Urgent Action Required

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday added five security flaws to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation in the wild. This includes three high-severity flaws in the Veritas Backup Exec Agent software...

3CX Supply Chain Attack — Here's What We Know So Far

Enterprise communications software maker 3CX on Thursday confirmed that multiple versions of its desktop app for Windows and macOS are affected by a supply chain attack. The version numbers include 18.12.407 and 18.12.416 for Windows and 18.11.1213, 18.12.402, 18.12.407, and 18.12.416 for macOS...

Chinese RedGolf Group Targeting Windows and Linux Systems with KEYPLUG Backdoor

A Chinese state-sponsored threat activity group tracked as RedGolf has been attributed to the use of a custom Windows and Linux backdoor called KEYPLUG. "RedGolf is a particularly prolific Chinese state-sponsored threat actor group that has likely been active for many years against a wide range o...

From Ransomware to Cyber Espionage: 55 Zero-Day Vulnerabilities Weaponized in 2022

As many as 55 zero-day vulnerabilities were exploited in the wild in 2022, with most of the flaws discovered in software from Microsoft, Google, and Apple. While this figure represents a decrease from the year before, when a staggering 81 zero-days were weaponized, it still represents a significa...

Chinese Hackers Exploit Fortinet Zero-Day Flaw for Cyber Espionage Attack

The zero-day exploitation of a now-patched medium-severity security flaw in the Fortinet FortiOS operating system has been linked to a suspected Chinese hacking group. American cybersecurity company Mandiant, which made the attribution, said the activity cluster is part of a broader campaign...

Malware targeting SonicWall devices could survive firmware updates

Researchers at Mandiant have identified a malware campaign targeting SonicWall SMA 100 Series appliances, thought to be of Chinese origin. The malware was likely deployed in 2021, and was able to persist on the appliances tenaciously, even surviving firmware upgrades. The malware was able to stea...

North Korean UNC2970 Hackers Expands Operations with New Malware Families

A North Korean espionage group tracked as UNC2970 has been observed employing previously undocumented malware families as part of a spear-phishing campaign targeting U.S. and European media and technology organizations since June 2022. Google-owned Mandiant said the threat cluster shares "multipl...

Google Reveals Alarming Surge in Russian Cyber Attacks Against Ukraine

Russia's cyber attacks against Ukraine surged by 250% in 2022 when compared to two years ago, Google's Threat Analysis Group TAG and Mandiant disclosed in a new joint report. The targeting, which coincided and has since persisted following the country's military invasion of Ukraine in February...

Gootkit Malware Adopts New Tactics to Attack Healthcare and Finance Firms

The Gootkit malware is prominently going after healthcare and finance organizations in the U.S., U.K., and Australia, according to new findings from Cybereason. The cybersecurity firm said it investigated a Gootkit incident in December 2022 that adopted a new method of deployment, with the actors...

Google Takes Down 50,000 Instances of Pro-Chinese DRAGONBRIDGE Influence Operation

Google on Thursday disclosed it took steps to dismantle over 50,000 instances of activity orchestrated by a pro-Chinese influence operation known as DRAGONBRIDGE in 2022. "Most DRAGONBRIDGE activity is low quality content without a political message, populated across many channels and blogs," the...