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With its latest variant carrying several major upgrades, Hive proves it’s one of the fastest evolving ransomware payload, exemplifying the continuously changing ransomware ecosystem.
The post Hive ransomware gets upgrades in Rust appeared first on Microsoft Security Blog. READ MORE HERE…
Toll fraud malware, a subcategory of billing fraud in which malicious applications subscribe users to premium services without their knowledge or consent, is one of the most prevalent types of Android malware – and it continues to evolve.
The post Toll fraud malware: How an Android application can drain your wallet appeared first on Microsoft Security Blog. READ MORE HERE…
We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques include process doppelganging, process herpadering, and process ghosting.
The post Using process creation properties to catch evasion techniques appeared first on Microsoft Security Blog. READ MORE HERE…
To disrupt human-operated ransomware attacks as early as possible, we enhanced the AI-based protections in Microsoft Defender for Endpoint with a range of specialized machine learning techniques that swiftly identify and block malicious files, processes, or behavior observed during active attacks.
The post Improving AI-based defenses to disrupt human-operated ransomware appeared first on Microsoft Security Blog. READ MORE HERE…
The use of an unconventional programming language, multiple target devices and possible entry points, and affiliation with prolific threat activity groups have made the BlackCat ransomware a prevalent threat and a prime example of the growing ransomware-as-a-service (RaaS) gig economy.
The post The many lives of BlackCat ransomware appeared first on Microsoft Security Blog. READ MORE HERE…
Microsoft successfully detected and disabled attack activity abusing OneDrive by a previously undocumented Lebanon-based activity group Microsoft Threat Intelligence Center (MSTIC) tracks as POLONIUM.
The post Exposing POLONIUM activity and infrastructure targeting Israeli organizations appeared first on Microsoft Security Blog. READ MORE HERE…
Dealing with a great amount of data can be time consuming, thus using Python can be very powerful to help analysts sort information and extract the most relevant data for their investigation. The open-source tools library, MSTICpy, for example, is a Python tool dedicated to threat intelligence. It aims to help threat analysts acquire, enrich, analyze, and visualize data.
The post Using Python to unearth a goldmine of threat intelligence from leaked chat logs appeared first on Microsoft Security Blog. READ MORE HERE…
Microsoft uncovered high-severity vulnerabilities in a mobile framework used by multiple large mobile service providers in pre-installed Android System apps that potentially exposed users to remote or local attacks.
The post Android apps with millions of downloads exposed to high-severity vulnerabilities appeared first on Microsoft Security Blog. READ MORE HERE…
The privilege escalation hacking tool KrbRelayUp is a wrapper that can streamline the use of some features in Rubeus, KrbRelay, SCMUACBypass, PowerMad/ SharpMad, Whisker, and ADCSPwn tools in attacks. Although this attack won’t function for Azure Active Directory (Azure AD) joined devices, hybrid joined devices with on-premises domain controllers remain vulnerable.
The post Detecting and preventing privilege escalation attacks leveraging Kerberos relaying (KrbRelayUp) appeared first on Microsoft Security Blog. READ MORE HERE…
Amplification attacks are one of the most common distributed denial of service (DDoS) attack vectors. These attacks are typically categorized as flooding or volumetric attacks, where the attacker succeeds in generating more traffic than the target can process, resulting in exhausting its resources due to the amount of traffic it receives.
The post Anatomy of a DDoS amplification attack appeared first on Microsoft Security Blog. READ MORE HERE…