Wednesday, December 18, 2024
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Microsoft security intelligence

Microsoft Secure 

Beneath the surface: Uncovering the shift in web skimming

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Web skimming campaigns now employ various obfuscation techniques to deliver and hide the skimming scripts. It’s a shift from earlier tactics where attackers conspicuously injected the malicious scripts into e-commerce platforms and content management systems (CMSs) via vulnerability exploitation, making this threat highly evasive to traditional security solutions.
The post Beneath the surface: Uncovering the shift in web skimming appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

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Observing a 254% increase in activity over the last six months from a versatile Linux trojan called XorDdos, the Microsoft 365 Defender research team provides in-depth analysis into this stealthy malware’s capabilities and key infection signs.
The post Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

In hot pursuit of ‘cryware’: Defending hot wallets from attacks

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The rise in cryptocurrency market capitalization paved the way to the emergence of threats Microsoft security researchers are referring to as “cryware”—information stealers focused on gathering and exfiltrating data from non-custodial cryptocurrency wallets.
The post In hot pursuit of ‘cryware’: Defending hot wallets from attacks appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Center for Threat-Informed Defense, Microsoft, and industry partners streamline MITRE ATT&CK® matrix evaluation for defenders

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The Center for Threat-Informed Defense, along with Microsoft and industry partners, collaborated on a repeatable methodology and a web-based calculator, aiming to streamline MITRE ATT&CK® use for defenders.
The post Center for Threat-Informed Defense, Microsoft, and industry partners streamline MITRE ATT&CK® matrix evaluation for defenders appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Ransomware-as-a-service: Understanding the cybercrime gig economy and how to protect yourself

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Microsoft coined the term “human-operated ransomware” to clearly define a class of attack driven by expert humane intelligence at every step of the attack chain and culminate in intentional business disruption and extortion. In this blog, we explain the ransomware-as-a-service affiliate model and disambiguate between the attacker tools and the various threat actors at play during a security incident.
The post Ransomware-as-a-service: Understanding the cybercrime gig economy and how to protect yourself appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Microsoft finds new elevation of privilege Linux vulnerability, Nimbuspwn

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Microsoft has discovered several vulnerabilities, collectively referred to as Nimbuspwn, that could be chained together, allowing an attacker to elevate privileges to root on many Linux desktop endpoints. Leveraging Nimbuspwn as a vector for root access could allow attackers to achieve greater impact on vulnerable devices by deploying payloads and performing other malicious actions via arbitrary root code execution.
The post Microsoft finds new elevation of privilege Linux vulnerability, Nimbuspwn appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Dismantling ZLoader: How malicious ads led to disabled security tools and ransomware

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Microsoft took action against the ZLoader trojan by working with telecommunications providers around the world to disrupt key ZLoader infrastructure. In this blog, we detail the various characteristics for identifying ZLoader activity, including its associated tactics, recent campaigns, and affiliated payloads, such as ransomware.
The post Dismantling ZLoader: How malicious ads led to disabled security tools and ransomware appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Tarrask malware uses scheduled tasks for defense evasion

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Microsoft Detection and Response Team (DART) researchers have uncovered malware that creates “hidden” scheduled tasks as a defense evasion technique. In this post, we will demonstrate how threat actors create scheduled tasks, how they cover their tracks, and how the malware’s evasion techniques are used to maintain and ensure persistence on systems.
The post Tarrask malware uses scheduled tasks for defense evasion appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

Microsoft 365 Defender demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations

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For the fourth consecutive year, Microsoft 365 Defender demonstrated industry-leading protection in MITRE Engenuity’s independent ATT&CK® Enterprise Evaluations. These results highlighted the importance of taking an XDR-based approach spanning endpoints, identities, email and cloud, and the importance of both prevention and protection.
The post Microsoft 365 Defender demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure 

SpringShell RCE vulnerability: Guidance for protecting against and detecting CVE-2022-22965

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Microsoft provides guidance for customers looking for protection against exploitation and ways to detect vulnerable installations on their network of the critical vulnerability CVE-2022-22965, also known as SpringShell or Spring4Shell.
The post SpringShell RCE vulnerability: Guidance for protecting against and detecting CVE-2022-22965 appeared first on Microsoft Security Blog. READ MORE HERE…

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