New PlugX variant “Talisman” used by famous Chinese APT

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here PlugX is a well-known malware family with samples dating back to as early as 2008. A Chinese state-backed threat actor, RedFoxtrot group, is discovered to use a new variant of the PlugX malware, Talisman. The threat actor grou...

Sophos Firewall RCE vulnerability actively exploited

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here A security researcher has discovered an authentication bypass vulnerability that resides in the User Portal and Webadmin areas of Sophos Firewall. Attackers are actively exploiting this vulnerability to attack enterprises in...

DOS Vulnerability discovered in SonicWall Next-Generation Firewall

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here SonicWall, a manufacturer of security hardware discovered a flaw in their SonicOS security operating system that allows denial of service DoS attacks and could lead to remote code execution RCE. The identified vulnerability...

An In-Depth Look at ICS Vulnerabilities Part 1

In this blog series our team examined various ICS vulnerabilities using the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT&CK for ICS...

Microsoft’s privilege escalation vulnerability that refuses to go away

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here After seven months, a vulnerability that was addressed in August 2021 patch Tuesday remained unpatched. This locally exploited vulnerability is tracked as CVE-2021-34484 and affects the Windows User Profile Service. While...

Tactics, Techniques, and Procedures of Indicted State-Sponsored Russian Cyber Actors Targeting the Energy Sector

Summary Actions to Take Today to Protect Energy Sector Networks: • Implement and ensure robust network segmentation between IT and ICS networks. • Enforce MFA to authenticate to a system. • Manage the creation of, modification of, use of—and permissions associated with—privileged accounts. This...

Berkeley Internet Name Domain (BIND) affected by multiple vulnerabilities

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here The Internet Systems Consortium ISC has published security upgrades to address several vulnerabilities in the widely used Berkeley Internet Name Domain BIND server software. An attacker could take advantage of some of these...

Environment Variables Leak affect Multiple browsers

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. A system environment variables leak security bug was found in Chromium 92 version. Multiple web browsers are based on the chromium engine, such as Google Chrome, Microsoft Edge, Opera, and Brave. Most of them are reported t...

Major Content Management Systems affected by Multiple vulnerabilities

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. Several flaws in well-known content management systems WordPress and Drupal have been uncovered. A content management system, or CMS, is software that allows users to create, manage, and edit website content without requiri...

OpenSSL exposed to Denial-of-service vulnerability causing Infinite Loop

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. A security flaw exists in OpenSSL software library that could lead to a denial-of-service DoS condition when parsing certificates. The vulnerability, identified as CVE-2022-0778, arises from parsing a malformed certificate...

3 Ways InsightIDR Customers Leverage the MITRE ATT&CK Framework

The MITRE ATT&CK framework is one of the most comprehensive and reputable knowledge bases of known adversary tactics, pragmatic mitigation strategies, and prudent detection recommendations available today. ATT&CK is freely available and widely used by defenders in industry and government to find...

Attackers Escape Kubernetes Containers using “cr8escape” Vulnerability in CRI-O

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. A flaw in CRI-O, an open-source Linux implementation of Kubernetes Container Runtime Interface CRI, was discovered that may allow an attacker to gain remote control of servers and potentially poison the container with attack...

Dirty Pipe: A privilege escalation vulnerability in Linux Kernel

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A vulnerability in the Linux kernel existed since version 5.8 and allows overwriting data in arbitrary read-only files. Because unprivileged processes can inject code into root processes, this results in privilege escalation. ...

Two actively exploited Zero-Day vulnerabilities discovered in Mozilla Firefox

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Two critical zero-day vulnerabilities have been identified in Mozilla Firefox that are being exploited in-the-wild and tracked as CVE-2022-26485 and CVE-2022-26485. Both are use-after-free bugs that exist in XSLT parameter...

Thousands of GitLab instances impacted by multiple security flaws

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Multiple security vulnerabilities have been discovered by researchers in GitLab, an open-source DevOps software. Some of these flaws could allow an unauthenticated remote attacker to retrieve all information linked to GitLab...

Understanding and Mitigating Russian State-Sponsored Cyber Threats to U.S. Critical Infrastructure

Summary Actions Critical Infrastructure Organizations Should Implement to Immediately Strengthen Their Cyber Posture. • Patch all systems. Prioritize patching known exploited vulnerabilities. • Implement multi-factor authentication. • Use antivirus software. • Develop internal contact lists and...

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware By Taylor Mullins · February 28, 2022 BlackByte Ransomware has been in the news of late due to a successful attack against a National Football League NFL Franchise and a Joint Cybersecurity Advisory by the Federal Bureau ...

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware By Taylor Mullins · February 28, 2022 BlackByte Ransomware has been in the news of late due to a successful attack against a National Football League NFL Franchise and a Joint Cybersecurity Advisory by the Federal Bureau ...

Millions of WordPress site backups at risk due to a vulnerability in UpdraftPlus plugin

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here UpdraftPlus is a backup tool for WordPress files, databases, plug-ins, and themes that allows you to create, restore, and migrate backups. UpdraftPlus is utilized by more than three million WordPress websites, according to i...

Apache Cassandra database affected by easily exploitable Remote code execution

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Apache Cassandra is a database software being used by many companies such as Uber, Facebook, Netflix, Twitter, Instagram, Spotify, Instacart, Reddit, and Accenture. A remote code execution flaw CVE-2021-44521 is reported whi...