Blog

Daily Communication——Release of Code on GitHub

March 21, 2019 | Mina Hao

Case Analysis Before compromising a website or system, a hacker usually searches for related information beforehand. Code repositories are a major target. A security-unaware developer may upload code to a public platform, providing an opportunity for hackers to obtain API accounts or security holes by analyzing the uploaded code.

Microsoft’s Security Bulletin for March Patches That Fix 68 Security Vulnerabilities Threat Alert

March 20, 2019 | Mina Hao

Overview   Microsoft released the March 2019 security patch on Tuesday that fixes 68 vulnerabilities ranging from simple spoofing attacks to remote code execution in various products, including Active Directory, Adobe Flash Player, Azure, Internet Explorer, Microsoft Browsers, Microsoft Edge, Microsoft Graphics Component, Microsoft JET Database Engine, Microsoft Office, Microsoft Office SharePoint, Microsoft Scripting Engine, Microsoft […]

Technical Report on Container Security (V)-2

March 20, 2019 | Mina Hao

Security Tools – NeuVector About NeuVector NeuVector[I] is the first company to take up development of Docker/Kubernetes security products. With a commitment to assuring the security of enterprise-wide container platforms, the company provides products that are suitable for deployment across multi-cloud and on-premises production environments.

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

March 19, 2019 | Mina Hao

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 | Mina Hao

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 […]

Daily Communication——Business Chat Groups

March 15, 2019 | Mina Hao

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 | Mina Hao

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 | Mina Hao

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 | Mina Hao

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 | Mina Hao

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 […]