Overview Microsoft released January 2021 security updates on Tuesday which fix 83 vulnerabilities ranging from simple spoofing attacks to remote code execution in various products, including .NET Repository, ASP.NET core & .NET core, Azure Active Directory Pod Identity, Microsoft Bluetooth Driver, Microsoft DTV-DVD Video Decoder, Microsoft Edge (HTML-based), Microsoft Graphics...
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Attack and Defense Around PowerShell Event Logging
0x00 Overview PowerShell has been a focus of concern for network defense. The fileless PowerShell, featuring LotL and excellent ease of use, is widely used in various attack scenarios. In order to capture PowerShell-based attacks, an increasing number of security professionals tend to, through PowerShell event log analysis, extract attack...
Function Identification in Reverse Engineering of IoT Devices
This document dwells upon function identification and symbol porting in reverse engineering of Internet of things (IoT) devices without using BinDiff and PatchDiff2, which are "too good" for the purposes here and are inapplicable in certain scenarios. Typical function identification technologies include the Fast Library Identification and Recognition Technology (FLIRT)...
Future cyber security protection: reflection from the ups and downs of Covid-19-2
Biological virus and computer virus share similarities in some characters such as transmissibility. From the solutions to the COVID-19, we can learn the gain and loss of cyber security defense and protection, analyze the new trends and techniques and come up with the new ideas of defense and protection against...
Future cyber security protection: reflection from the ups and downs of Covid-19-1
2020 is almost halfway through, it is indeed a troubled period. Covid-19 swept all over the world in just a few months. The epidemic continues to spread and repeat, and has also changed many people's inherent perceptions, including health care, public safety, organizational mobilization, economics and politics. The concept of...
2019 Cybersecurity Insights -18
UPnP is short for Universal Plug and Play. UPnP is an architecture that defines peer-to-peer connectivity of PCs and intelligent devices (or instruments). Built upon Internet standards and technologies (suchas TCP/IP, HTTP, and XML), UPnP allows such devices to connect to and collaborate with each other automatically, thus making it...
