Microsoft Rolled Out SPNEGO NEGOEX Critical Vulnerability

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Microsoft updated the severity level of the CVE-2022-37958 vulnerability from high to critical after discovering that threat actors can use the vulnerability to execute code remotely...

W4SP Stealer Discovered in Multiple PyPI Packages Under Various Names

Threat actors have published yet another round of malicious packages to Python Package Index PyPI with the goal of delivering information-stealing malware on compromised developer machines. Interestingly, while the malware goes by a variety of names like ANGEL Stealer, Celestial Stealer, Fade...

Gamaredon APT cyber feud strikes Ukrainian entities

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary One of the most ubiquitous, intrusive, consistently active, and laser-focused APTs targeting Ukraine in cyberspace is the Gamaredon group, also known as the Shuckworm. Gamaredon Group has employed fast...

New Exploit Method that Bypasses ProxyNotShell Mitigations

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new exploit method has been found in the mitigations of the Microsoft Exchange vulnerability ProxyNotShell URL rewrite that allows for remote code execution RCE on compromised servers through Outlook W...

Microsoft research uncovers new Zerobot capabilities

Botnet malware operations are a constantly evolving threat to devices and networks. Threat actors target Internet of Things IoT devices for recruitment into malicious operations as IoT devices’ configurations often leave them exposed, and the number of internet-connected devices continue to grow...

Microsoft research uncovers new Zerobot capabilities

Botnet malware operations are a constantly evolving threat to devices and networks. Threat actors target Internet of Things IoT devices for recruitment into malicious operations as IoT devices’ configurations often leave them exposed, and the number of internet-connected devices continue to grow...

CVE-2022-41080, CVE-2022-41082: Rapid7 Observed Exploitation of `OWASSRF` in Exchange for RCE

Emergent threats evolve quickly, and as we learn more about this vulnerability, this blog post will evolve, too. Beginning December 20, 2022, Rapid7 has responded to an increase in the number of Microsoft Exchange server compromises. Further investigation aligned these attacks to what CrowdStrike...

The Rise of the Rookie Hacker - A New Trend to Reckon With

More zero knowledge attacks, more leaked credentials, more Gen-Z cyber crimes - 2022 trends and 2023 predictions. Cybercrime remains a major threat to individuals, businesses, and governments around the world. Cybercriminals continue to take advantage of the prevalence of digital devices and the...

Outlining a new SiestaGraph backdoor

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The Foreign Affairs Office of an Association of Southeast Asian Nations ASEAN member is targeted by multiple threat actors who are coordinating active campaigns via a vulnerable Microsoft Exchange server...

Actors, Threats and Vulnerabilities 12 – 18 December 2022

...

Threat Spotlight: XLLing in Excel - threat actors using malicious add-ins

Microsoft is phasing out support for executing VBA macros in downloaded Office documents. Cisco Talos investigates another vector for introduction of malicious code to Microsoft Excel--malicious add-ins, specifically XLL files. Although XLL files were supported since early versions of Excel,...

Russian Hackers Targeted Petroleum Refinery in NATO Country During Ukraine War

The Russia-linked Gamaredon group attempted to unsuccessfully break into a large petroleum refining company within a NATO member state earlier this year amid the ongoing Russo-Ukrainian war. The attack, which took place on August 30, 2022, is just one of multiple intrusions orchestrated by the...

A Closer Look at Windows Kernel Threats

In this blog entry, we discuss the reasons why malicious actors choose to and opt not to pursue kernel-level access in their attacks. It also provides an overview of kernel-level threats that have been publicly reported from April 2015 to October 2022...

CVE-2022-23490

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but...

Design/Logic Flaw

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but...

CVE-2022-23490 Improper access control to polling votes

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but...

CVE-2022-23490 Improper access control to polling votes

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but...

FBI, FDA OCI, and USDA Release Joint Cybersecurity Advisory Regarding Business Email Compromise Schemes Used to Steal Food

The Federal Bureau of Investigation FBI, the Food and Drug Administration Office of Criminal Investigations FDA OCI, and the U.S. Department of Agriculture USDA have released a joint Cybersecurity Advisory CSA detailing recently observed incidents of criminal actors using business email compromis...

MCCrash: Cross-platform DDoS botnet targets private Minecraft servers

Malware operations continue to rapidly evolve as threat actors add new capabilities to existing botnets, increasingly targeting and recruiting new types of devices. Attackers update malware to target additional operating systems, ranging from PCs to IoT devices, growing their infrastructure...

Hackers Bombard Open Source Repositories with Over 144,000 Malicious Packages

NuGet, PyPi, and npm ecosystems are the target of a new campaign that has resulted in over 144,000 packages being published by unknown threat actors. "The packages were part of a new attack vector, with attackers spamming the open source ecosystem with packages containing links to phishing...