Thousands of PCs Affected by Nodersok/Divergent Malware

New malware identified by Microsoft and Cisco Talos has affected thousands of PCs in the United States and Europe and turns systems into proxies for performing malicious activity, the companies said. The fileless threat—called Nodersok by Microsoft and Divergent by Cisco Talos—has many of its own...

Bring your own LOLBin: Multi-stage, fileless Nodersok campaign delivers rare Node.js-based malware

We’ve discussed the challenges that fileless threats pose in security, and how Microsoft Defender Advanced Threat Protection Microsoft Defender ATP employs advanced strategies to defeat these sophisticated threats. Part of the slyness of fileless malware is their use of living-off-the-land...

Microsoft Released Out-of-Band Security Updates – How to Detect and Remediate

Microsoft released an out-of-band update yesterday that fixes two critical vulnerabilities - The Internet Explorer remote code execution vulnerability CVE-2019-1367 and Microsoft Defender Denial of Service Vulnerability CVE-2019-1255. According to the Microsoft advisory CVE-2019-1367, the Interne...

Microsoft Releases Emergency Patches for IE 0-Day and Windows Defender Flaw

It's not a Patch Tuesday, but Microsoft is rolling out emergency out-of-band security patches for two new vulnerabilities, one of which is a critical Internet Explorer zero-day that cyber criminals are actively exploiting in the wild. Discovered by Clément Lecigne of Google's Threat Analysis Grou...

Microsoft Defender DoS Vulnerability (Sep 2019)

This host is missing an important security update according to Microsoft Security Updates released for Microsoft Malware Protection Engine dated 23-09-2019 SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the...

Microsoft Internet Explorer Zero-Day Flaw Addressed in Out-of-Band Security Update

Microsoft has released out-of-band security updates addressing two vulnerabilities – including an Internet Explorer zero-day vulnerability being actively exploited in the wild. The Internet Explorer zero-day vulnerability CVE-2019-1367 is a remote code execution flaw that could enable an attacker...

CVE-2019-1255

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

CVE-2019-1255

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

Denial of service

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

CVE-2019-1255

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

CVE-2019-1255

Microsoft Malware Protection Engine Elevation of Privilege (CVE-2019-1255) exists due to improper file handling. An authenticated, remote attacker can exploit this to gain elevated privileges. Affected component: Defender/Malware Protection Engine. Impact: elevation of privilege; exploitation des...

Microsoft Defender Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when Microsoft Defender improperly handles files. An attacker could exploit the vulnerability to overwrite the discretionary access control list DACL for a file. To exploit the vulnerability, an attacker would first require execution on the victim...

Microsoft Silent Update Torpedoes Windows Defender

A broken Microsoft Windows Defender signature file that was causing system file checks to fail got a patch this week – but the patch caused an even bigger issue, making Defender user-triggered antivirus scans fail altogether. The issue was in place for about a day before Microsoft re-patched the...

Node.js third-party modules: Trojan:JS/CoinMiner in npm files

Hello, I am a front end developer and use Vue.js and Visual Studio Code and have had an issue recently with scripts not running in my terminal so decided to fault find. All programmes that I can think of are up to date, and today I decided to do a full windows defender scan and found the above...

Deep learning rises: New methods for detecting malicious PowerShell

Scientific and technological advancements in deep learning, a category of algorithms within the larger framework of machine learning, provide new opportunities for development of state-of-the art protection technologies. Deep learning methods are impressively outperforming traditional methods on...

One Identity Defender 5.9.3 Insecure Cryptographic Storage

Title: One Identity Defender - Insecure Cryptographic Storage Date: 01 September 2019 Affected Software: ================== One Identity Defender 5.9.3 Other versions are likely also vulnerable. Insecure Cryptographic Storage: ============================== Defender stores token seeds, PAP secret...

Improve security and simplify operations with Windows Defender Antivirus + Morphisec

My team at Morphisec a Microsoft Intelligent Security Association MISA partner often talks with security professionals who are well-informed about the latest cyberthreats and have a longterm security strategy. The problem many of them face is how to create a stronger endpoint stack with limited...

The vulnerability of the MpSigStub.exe executable of Microsoft’s security tool (Windows Defender) allows a hacker to delete files in certain parts of the file system.

The vulnerability of the MpSigStub.exe executable file of Microsoft’s Windows Defender is related to privilege management errors. Exploiting this vulnerability could allow a malicious actor to delete files in certain parts of the file system remotely...

Gartner names Microsoft a Leader in 2019 Endpoint Protection Platforms Magic Quadrant

Our mission as a company is to empower every person on the planet to achieve more. We deliver on that mission through products that achieve the highest marks in the industry, which we believe is inclusive of Gartner’s Magic Quadrant. We have been on a journey for the last several years working ha...

Multiple Microsoft Products Permission License and Access Control Issues Vulnerabilities

Microsoft Forefront Endpoint Protection is a set of endpoint security software. Microsoft Security Essentials is a set of free antivirus software that comes with Windows. Microsoft Windows Defender is a set of antivirus software that comes with Windows. The vulnerability exists in a number of...