Microsoft Defender Experts for Hunting demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations for Managed Services

Microsoft Defender Experts for Hunting, our newest managed threat hunting service, delivered industry-leading results during the inaugural MITRE Engenuity ATT&CK® Evaluations for Managed Services. We provided a seamless, comprehensive, and rapid response to the simulated attack using expert-led...

New Ursnif Variant Likely Shifting Focus to Ransomware and Data Theft

The Ursnif malware has become the latest malware to shed its roots as a banking trojan to revamp itself into a generic backdoor capable of delivering next-stage payloads, joining the likes of Emotet, Qakbot, and TrickBot. "This is a significant shift from the malware's original purpose to enable...

Gamaredon APT targets Ukrainian government agencies in new campaign

By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...

Profiling DEV-0270: PHOSPHORUS’ ransomware operations

Microsoft threat intelligence teams have been tracking multiple ransomware campaigns and have tied these attacks to DEV-0270, also known as Nemesis Kitten, a sub-group of Iranian actor PHOSPHORUS. Microsoft assesses with moderate confidence that DEV-0270 conducts malicious network operations,...

Researchers Uncover New Attempts by Qakbot Malware to Evade Detection

The operators behind the Qakbot malware are transforming their delivery vectors in an attempt to sidestep detection. "Most recently, threat actors have transformed their techniques to evade detection by using ZIP file extensions, enticing file names with common formats, and Excel XLM 4.0 to trick...

New NTLM Relay Attack Lets Attackers Take Control Over Windows Domain

A new kind of Windows NTLM relay attack dubbed DFSCoerce has been uncovered that leverages the Distributed File System DFS: Namespace Management Protocol MS-DFSNM to seize control of a domain. "Spooler service disabled, RPC filters installed to prevent PetitPotam and File Server VSS Agent Service...

New Nokoyawa Ransomware Possibly Related to Hive

In March 2022, we came across evidence that another, relatively unknown, ransomware known as Nokoyawa is likely connected with Hive, as the two families share some striking similarities in their attack chain, from the tools used to the order in which they execute various steps...

Spear-Phishing Campaign Exploits Glitch Platform to Steal Credentials

A long-term spear-phishing campaign is targeting employees of major corporations with emails containing PDFs that link to short-lived Glitch apps hosting credential-harvesting SharePoint phishing pages, researchers have found. Researchers from DomainTools discovered the suspicious PDFs – which...

CVE-2021-28914

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow the user to set a weak password because the strength is shown in configuration tool, but finally not enforced. This is usable and part of an attack chain to gain SSH root access...

Default credentials

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers to access uncontrolled the login service at /webif/SecurityModule in a brute force attack. The password could be weak and default username is known as 'admin'. This is usable and part of an attack chain to gain SS...

Hardcoded credentials

BAB TECHNOLOGIE GmbH eibPort V3. Each device has its own unique hard coded and weak root SSH key passphrase known as 'eibPort string'. This is usable and the final part of an attack chain to gain SSH root access...

WARNING: Microsoft Exchange Under Attack With ProxyShell Flaws

The U.S. Cybersecurity and Infrastructure Security Agency is warning of active exploitation attempts that leverage the latest line of "ProxyShell" Microsoft Exchange vulnerabilities that were patched earlier this May, including deploying LockFile ransomware on compromised systems. Tracked as...

Stopping Carbanak+FIN7: How Microsoft led in the MITRE Engenuity® ATT&CK® Evaluation

In MITRE Engenuity’s recent Carbanak+FIN7 ATT&CK Evaluation, Microsoft demonstrated that we can stop advanced, real-world attacks by threat actor groups with our industry-leading security capabilities. In this year’s evaluation, we engaged our unified Microsoft 365 Defender stack, with...

CVE-2021-22887

A vulnerability in the BIOS of Pulse Secure PSA-Series Hardware models PSA5000 and PSA7000 could allow an attacker to compromise BIOS firmware. This vulnerability can be exploited only as part of an attack chain. Before an attacker can compromise the BIOS, they must exploit the device...

CVE-2021-22887

A vulnerability in the BIOS of Pulse Secure PSA-Series Hardware models PSA5000 and PSA7000 could allow an attacker to compromise BIOS firmware. This vulnerability can be exploited only as part of an attack chain. Before an attacker can compromise the BIOS, they must exploit the device...

CVE-2021-22887

A vulnerability in the BIOS of Pulse Secure PSA-Series Hardware models PSA5000 and PSA7000 could allow an attacker to compromise BIOS firmware. This vulnerability can be exploited only as part of an attack chain. Before an attacker can compromise the BIOS, they must exploit the device...

CVE-2021-22887

A vulnerability in the BIOS of Pulse Secure PSA-Series Hardware models PSA5000 and PSA7000 could allow an attacker to compromise BIOS firmware. This vulnerability can be exploited only as part of an attack chain. Before an attacker can compromise the BIOS, they must exploit the device...

Malware Gangs Partner Up in Double-Punch Security Threat

Cybergangs are joining forces under the guise of affiliate groups and “as-a-service” models, warns Maya Horowitz, the director of threat intelligence research with Check Point Research. She said the trend is driving a new and thriving cybercriminal underground economy. Several malware gangs have...

Analyzing Solorigate, the compromised DLL file that started a sophisticated cyberattack, and how Microsoft Defender helps protect customers

We, along with the security industry and our partners, continue to investigate the extent of the Solorigate attack. While investigations are underway, we want to provide the defender community with intelligence to understand the scope, impact, remediation guidance, and product detections and...

Rockstar Games: Image Injection vulnerability in www.rockstargames.com/IV/screens/1280x720Image.html

In this report, the researcher demonstrated a method to chain together separate vulnerabilities that, under certain conditions, could cause a user's Facebook Oauth tokens to leak via the Referer header. The specific vulnerability that was addressed in this report was the image injection component...