Resource-based Constrained Delegation Allows Obtaining of System Privileges of Any Domain Hosts Threat Alert

March 19, 2019 | Adeline Zhang

1 Vulnerability Overview Recently, the NSFOCUS M01N team released the Analysis of Privilege Escalation Attacks by Exploiting Resource-based Constrained Delegation, in which they describe the principle of attacks launched by exploiting the resource-based constrained delegation, so as to escalate privileges of domain hosts. For details, click the following link: http://blog.nsfocus.net/analysis-attacks-entitlement-resource-constrained-delegation/ Several days ago, a security […]

Windows Domain Machines Local Privilege Escalation Attack Threat Alert

March 18, 2019 | Adeline Zhang

Overview A security researcher from Shenanigans Labs disclosed a method of attacking the Active Directory by abusing resource-based constrained delegation. This would impose a serious threat to domain environments as an attacker could make a common domain user access services on local computers as a domain administrator, thus escalating local privileges. For details, see reference […]

IP Reputation Report-03152019

March 15, 2019 | Adeline Zhang

Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at March 15, 2019.

Daily Communication——Business Chat Groups

March 15, 2019 | Adeline Zhang

Case Analysis Chat groups convenience communication, but contain great risks, which include ill-disposed persons impersonating the company’s employees, information disclosure as a result of chat group hacking, and resigned employees lurking in the group for malicious purposes.

Chrome and Windows 7 32-Bit Vulnerabilities Threat Alert

March 14, 2019 | Adeline Zhang

Overview On March 7 (local time), Google released a security advisory to announce the existence of a Microsoft Windows vulnerability. According to Google, this local privilege escalation vulnerability could be exploited together with the vulnerability (CVE-2019-5786) in Google Chrome announced last week, to take control of the machine of the victim.

Technical Report on Container Security (V)-1

March 13, 2019 | Adeline Zhang

Security Tools—Open-Source Security Tool Kubernetes In addition to commercial software, open-source software projects can also provide some security functions. This document describes several open-source projects that are usually used for protection of non-critical business.

Resource-based Constrained Delegation Allows Obtaining of System Privileges of Any Domain Hosts Threat Alert

March 12, 2019 | Adeline Zhang

1 Vulnerability Overview Recently, the NSFOCUS M01N team released the Analysis of Privilege Escalation Attacks by Exploiting Resource-based Constrained Delegation, in which they describe the principle of attacks launched by exploiting the resource-based constrained delegation, so as to escalate privileges of domain hosts. For details, click the following link:

Chrome PDF File Parsing 0-Day Vulnerability Threat Alert

March 12, 2019 | Adeline Zhang

1 Vulnerability Overview On February 28, 2019, a security vendor outside of China spotted a 0-day vulnerability in Google’s Chrome browser, which could lead to information disclosure upon a user’s opening of a malicious PDF file using Chrome. Up to now, a number of malicious samples have been found to exploit this vulnerability in the […]

IP Reputation Report-03082019

March 8, 2019 | Adeline Zhang

Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at March 08, 2019.

NSFOCUS Introduces Groundbreaking Anti-DDoS Business Operation System to Cope With Evolving Cyber Threat Landscape

March 6, 2019 | NSFOCUS

NSFOCUS ADBOS delivers comprehensive protection from advanced DDoS attacks through a single multi-tenant portal for optimal scalability and cost efficiency SINGAPORE, March 6, 2019 – NSFOCUS, the leader in holistic hybrid security solutions, today announced the launch of its Anti Distributed Denial-of-Service Business Operation System (ADBOS). The Asia Pacific (APAC) region has seen a sharp […]

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