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Microsoft Windows Vulnerabilities
What is responsible disclosure? In this article, VerSprite will outline a typical process for zero-day vulnerability reporting, the ethics behind hacking, and provide real-world examples of our responsible disclosures.
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Versprite
Security Vulnerabilities
The foundation of VerSprite’s penetration testing service is based on emulating realistic attacks by a malicious actor through the use of PASTA (Process for Attack Simulation and Threat Analysis).
Joaquin Paredes
Have you ever come across undocumented Windows structures that need to be reverse-engineered in order to perform a vulnerability analysis? In this post, we will demonstrate how to update these using IDA Pro and HexRays Decompiler for the ESTROBJ and STROBJ structures on Windows 10 x64.
Grant Willcox
Reverse Engineering
After investigating an information leak within Windows 10 in more detail, we decided to see how feasible it would be for an attacker to create an IDAPython script that could discover CVE-2019-1436 and other similar memory leaks automatically.
In part II of this three-part series, we dive deeper into hands on examples of identifying usage of named pipe servers within applications using a custom vulnerable application. The methods covered to achieve this goal is through usage of both dynamic and static analysis.
Robert Hawes
Exploitation of Vulnerabilities
In this three-part blog series, we will discuss the mechanics of Windows pipes and how they can be abused by attackers to gain privileged access.
N-Day Vulnerabilities and Exploits
VerSprite’s Research team uncovers silently patched information leak within Win32k Windows 10 v1709 to v1903. Exploitation of this vulnerability allows attackers to leak the value of win32kbase!gahDpiDepDefaultGuiFonts. Read the N-Day vulnerability and exploit analysis here.
win32kbase!gahDpiDepDefaultGuiFonts
Secure Protocols
Even if your organization is running a backend web service that doesn’t support HTTPS, there are still options to use HTTPS, such as using Let’s Encrypt and Nginx. Transport Layer Security (TLS) is very important to protect your website from malicious code injections.
Mark Rood
Cloud Security Scanner checks for security vulnerabilities in your App Engine and Compute Engine web applications. It is designed to complement your existing secure design and development processes.
Esteban Mendoza
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