LockBit Ransomware Abuses Windows Defender to Deploy Cobalt Strike Payload

A threat actor associated with the LockBit 3.0 ransomware-as-a-service RaaS operation has been observed abusing the Windows Defender command-line tool to decrypt and load Cobalt Strike payloads. According to a report published by SentinelOne last week, the incident occurred after obtaining initia...

CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

UBUNTU-CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

Cross site scripting

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

CVE-2022-34009

Fossil 2.18 on Windows allows attackers to cause a denial of service daemon crash via an XSS payload in a ticket. This occurs because the ticket data is stored in a temporary file, and the product does not properly handle the absence of this file after Windows Defender has flagged it as malware...

Untangling KNOTWEED: European private-sector offensive actor using 0-day exploits

The Microsoft Threat Intelligence Center MSTIC and the Microsoft Security Response Center MSRC found a private-sector offensive actor PSOA using multiple Windows and Adobe 0-day exploits, including one for the recently patched CVE-2022-22047, in limited and targeted attacks against European and...

Malicious IIS Extensions Gaining Popularity Among Cyber Criminals for Persistent Access

Threat actors are increasingly abusing Internet Information Services IIS extensions to backdoor servers as a means of establishing a "durable persistence mechanism." That's according to a new warning from the Microsoft 365 Defender Research Team, which said that "IIS backdoors are also harder to...

PT-2022-21965 · Microsoft · Windows Defender

Name of the Vulnerable Software and Affected Versions: Fossil version 2.18 Description: The issue allows attackers to cause a denial of service, resulting in a daemon crash, by utilizing an XSS payload in a ticket. This happens because ticket data is stored in a temporary file, and the product...

Malicious IIS extensions quietly open persistent backdoors into servers

Attackers are increasingly leveraging Internet Information Services IIS extensions as covert backdoors into servers, which hide deep in target environments and provide a durable persistence mechanism for attackers. While prior research has been published on specific incidents and variants, little...

July 19, 2022—KB5015879 (OS Build 20348.859) Preview

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Uncovering a macOS App Sandbox escape vulnerability: A deep dive into CVE-2022-26706

Microsoft uncovered a vulnerability in macOS that could allow specially crafted codes to escape the App Sandbox and run unrestricted on the system. We shared these findings with Apple through Coordinated Vulnerability Disclosure CVD via Microsoft Security Vulnerability Research MSVR in October...

CVE-2022-33637

Microsoft Defender for Endpoint Tampering Vulnerability...

CVE-2022-33637

Microsoft Defender for Endpoint Tampering Vulnerability...

Design/Logic Flaw

Microsoft Defender for Endpoint Tampering Vulnerability...

CVE-2022-33637 Microsoft Defender for Endpoint Tampering Vulnerability

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CVE-2022-33637

Microsoft Defender for Endpoint Tampering Vulnerability (CVE-2022-33637) is described in connected sources as an issue caused by insufficient input validation that can let an attacker remotely elevate privileges and execute arbitrary code, impacting Defender for Endpoint. The PT-2022-4303 entry n...