1. Background Based on the vulnerability name (Microsoft Windows Storage Port Driver), we can search and identify the corresponding file as storport.sys. This driver is used for communication between the computer and high-performance storage devices, defining how the computer communicates with these
Overview In this post, the author discovers vulnerabilities in Windows Update by examining its architecture and execution flow. Under Administrator privileges, an attacker can manipulate registry keys to control arbitrary system files, replacing them and bypassing system integrity checks. Due to the
1. Preface This article analyzes the CVE-2023-21768 vulnerability, which resides in the AFD (Ancillary Function Driver) driver of the Windows operating system. Throughout this post, “the original article” refers to reference [1]. By studying that article, I reproduced and rewrote the exp
0. Preface HackSys Extreme Vulnerable Driver (HEVD) is a Windows driver with multiple vulnerabilities developed for learning kernel exploit techniques. This article describes how to bypass a stack overflow vulnerability with /GS protection under a Windows 10 64-bit environment, involving two securit
Target Function TriggerBufferOverflowStack
__int64 __fastcall TriggerBufferOverflowStack(void *Src, unsigned __int64 Size) { char Dst[2048]; // [rsp+20h] [rbp-818h] BYREF memset(Dst, 0, sizeof(Dst)); ProbeForRead(Src, 0x800ui64, 1u); DbgPrintEx(0x4Du, 3u, "[+] UserBuffer: 0x%p\n", Src); DbgP