core-jmp

core-jmp

death of core jump

  • Home
  • windows
  • Reverse Engineering
  • exploitation
  • shellcode
  • About
  • Privacy Policy

Homewinapi

Posts in category: winapi

NT AFD.SYS HTTP Downloader: From First Syscall to bypass the majority of usermode EDR hooks

NT AFD.SYS HTTP Downloader: From First Syscall to bypass the majority of usermode EDR hooks

March 18, 2026
by oxfemale BypassingcppEDRIOCTLNetworkPEBReverse EngineeringTCP/IPuser-modewinapiwinapiWinDBGwindowsWinsock

The article demonstrates how to bypass the Winsock layer by communicating directly with the Windows AFD driver using Native API calls. It explains how socket operations can be replicated via IOCTLs and how this reduces reliance on standard networking APIs.

Read More
A Deep Dive into the GetProcessHandleFromHwnd API

A Deep Dive into the GetProcessHandleFromHwnd API

March 18, 2026
by oxfemale Bypassingkernelkernel-modeReverse EngineeringUACwinapiwindows

The article analyzes the Windows GetProcessHandleFromHwnd API and its evolution from a hook-based implementation to a kernel Win32k function that could open powerful process handles, enabling security bypasses such as CVE-2023-41772.

Read More
WSL, COM Hooking, & RTTI

WSL, COM Hooking, & RTTI

March 17, 2026
by oxfemale COMcppHookingPoCpowershellpowershellReverse EngineeringRTTIwinapiwinapiwindowsWSL

The article demonstrates how to hook COM methods in Windows Subsystem for Linux by leveraging C++ RTTI metadata to reconstruct class layouts and locate virtual methods, enabling precise COM instrumentation without symbols.

Read More
Peeling Back the Socket Layer: Reverse Engineering Windows AFD.sys

Peeling Back the Socket Layer: Reverse Engineering Windows AFD.sys

March 16, 2026
by oxfemale cppIOCTLkernelkernel-modeNetworkReverse EngineeringTCP/IPwinapiwinapiWinDBGwindowsWinsock

The research reverse-engineers Windows AFD.sys, showing how TCP sockets can be created, connected, and used by sending handcrafted IOCTL requests directly to the kernel driver—completely bypassing the Winsock networking API.

Read More
Ghost in the PPL - LSASS Memory Dump

Ghost in the PPL – LSASS Memory Dump

March 15, 2026
by oxfemale DebugexploitationLSASSPoCPPLReverse EngineeringSecuritywinapiwinapiwindows

The article explains a technique for dumping memory from the protected LSASS process (PPL). It analyzes limitations of PPL protection and demonstrates how MiniDumpWriteDump and existing process handles can be used to extract credential data.

Read More
Crimes against NTDLL - Implementing Early Cascade Injection

Crimes against NTDLL – Implementing Early Cascade Injection

March 14, 2026
by oxfemale attaksBypassingEDRInjectionRustwinapiwinapiwindows

How to implement Early Cascade Injection in Rust, a stealthy Windows process injection technique that hijacks shim engine callbacks in ntdll to execute shellcode during early process initialization, before many EDR hooks activate.

Read More
Reverse engineering undocumented Windows Kernel features to work with the EDR

Reverse engineering undocumented Windows Kernel features to work with the EDR

March 14, 2026
by oxfemale AntivirusBypassingDefenderEDREventlogkernelMalwareProtectionReverse EngineeringSecuritywinapiwinapiWinDBGwindows

This article demonstrates how to reverse engineer the Windows 11 kernel to understand undocumented internals behind memory operations and ETW Threat Intelligence events, helping security engineers improve EDR telemetry and detect remote process memory writes.

Read More
Silent Harvest: Extracting Windows Secrets Under the Radar

Silent Harvest: Extracting Windows Secrets Under the Radar

March 14, 2026
by oxfemale BypassingEDRLSAMS-LSADMS-SAMRpowershellpowershellSAMwinapiwinapiwindows

“Silent Harvest” explains how attackers can quietly extract sensitive Windows secrets such as credentials and security keys by abusing legitimate registry and system mechanisms, avoiding LSASS dumping and bypassing many common EDR detections.

Read More
Using ReadFile with Handle of Opened .blf Log File Produces an Unrecoverable State in CLFS.sys Causing a BSoD

Using ReadFile with Handle of Opened .blf Log File Produces an Unrecoverable State in CLFS.sys Causing a BSoD

February 26, 2026
by oxfemale BSoDCLFSDriverexploitationPoCwinapiwinapiWinDBGwindows

CVE-2026-2636 Logic bug in Windows’ CLFS driver: calling ReadFile on a .blf log handle pushes CLFS.sys into an unrecoverable state and triggers an immediate BSoD — local DoS with only user privileges.

Read More
RPC Proxy Injection Part II: Breaking Elastic EDR Telemetry

RPC Proxy Injection Part II: Breaking Elastic EDR Telemetry

February 23, 2026
by oxfemale BypassingcppEDRexploitationInjectionLibraryRedTeamRPCSecurityshellcodeuser-modewinapiwinapiwindows

The article explains enhancing RPC Proxy Injection to evade Elastic EDR telemetry by avoiding common API calls like WriteProcessMemory and CreateRemoteThread, using custom shellcode delivery via thread descriptions and APCs to hide malicious behavior.

Read More
  • First
  • Previous
  • 1
  • 2
  • 3
  • Next
  • Last

Recent Posts

  • 89 vulnerabilities in XAPI / Citrix XenServer
  • Patchless AMSI Bypass via Page Guard Exceptions
  • A Step-by-Step Guide to Uncovering Vulnerabilities in a Mobile App
  • How Kernel Anti-Cheats Work: A Deep Dive into Modern Game Protection
  • A Shortcut to Coercion: Incomplete Patch of APT28’s Zero-Day Leads to CVE-2026-32202

Archives

  • April 2026
  • March 2026
  • February 2026
  • January 2026
  • November 2025
  • September 2025

Active Directory Active Directory Security Application Security byovd bypass cpp EDR EDR Bypass EDR Evasion EDREvasion Embedded Security Endpoint Security Exploit Development Firmware Reverse Engineering Hardware Hacking Hardware Security injection IoT Security Kernel Debugging Kernel Exploitation macOS Security Malware Analysis Malware Development Memory Corruption Offensive Security Post-Exploitation PPL Privilege Escalation Process Injection red team RedTeam Red Teaming Red Team Techniques remote code execution Reverse Engineering Security Research shellcode Vulnerability Research WinDBG windows Windows 11 Windows Internals Windows Kernel Windows security WindowsSecurity

Categories

  • .NET
  • access
  • ACE
  • ACL
  • Active Directory
  • Active Directory
  • AD CS
  • Administrator
  • AI Agents
  • AI Security Research
  • alloc
  • ALPC
  • AMSI
  • Android
  • Antivirus
  • Apache Tomcat
  • APC
  • Apple Silicon
  • ASM
  • ASR
  • attaks
  • Audio
  • AV
  • BIOS
  • BitLocker
  • Blue team
  • Bluetooth
  • Boot ROM
  • Broadcom
  • BSoD
  • buffer overflow
  • BYOUD
  • BYOVD
  • Bypassing
  • Cache
  • Callbacks
  • Camera
  • CI/CD
  • CIMOM
  • Cisco
  • Citrix
  • Claude AI
  • CLFS
  • cmd
  • COM
  • Command Injection
  • Containers
  • Copilot
  • Cortex XDR
  • CPL
  • cpp
  • CPU
  • Credential Attacks
  • Crypt
  • Cryptography
  • CryptoPro
  • CSRF
  • DCOM
  • Debug
  • Defender
  • DEP
  • Deserialization
  • DFIR
  • DLL Sideloading
  • DMA
  • DNS
  • Driver
  • dump
  • EDR
  • Embedded
  • Encryption
  • Escalation
  • ESP32
  • ESXi
  • Evasion
  • Eventlog
  • Exploit Development
  • exploitation
  • filesystem
  • firmware
  • Flash
  • FreeBSD
  • Gadgets
  • GATT
  • Ghidra
  • Hardware
  • Hooking
  • Hyper-V
  • Hypervisor
  • Impacket
  • impact
  • Injection
  • IOCTL
  • IoT
  • IPC
  • IRP
  • Java
  • JIT
  • JWT Security
  • Kerberos
  • kernel
  • kernel-mode
  • LDAP Relay
  • Library
  • Linux
  • LLM
  • LLM Exploit Development
  • LNK
  • Loader
  • LOLExfil
  • LSA
  • LSASS
  • Machine Learning
  • MacOS
  • Malware
  • MCP
  • MS-DOS
  • MS-EVEN
  • MS-LSAD
  • MS-SAMR
  • Network
  • NTLM Relay
  • NVMe
  • ODR
  • Palo Alto
  • PBA
  • PCI
  • PEB
  • Penetration Testing
  • PHP
  • pipe
  • Plugins
  • PoC
  • powershell
  • powershell
  • PPL
  • Privilege
  • Privilege Escalation
  • Protection
  • PXE
  • Python
  • QEMU
  • Race Condition
  • radare2
  • RCE
  • Recall
  • Recovery mode
  • RedTeam
  • Registry
  • Reverse Engineering
  • root
  • ROP
  • RPC
  • RTTI
  • Rust
  • SAM
  • Secure Boot
  • Security
  • Security
  • shellcode
  • Shortcut
  • SPI Flash
  • Stack Overflow
  • STM32H5
  • TCP/IP
  • TEB
  • Telegram
  • Telnetd
  • TPM
  • UAC
  • UART
  • UEFI
  • Uncategorized
  • USB
  • Use-After-Free
  • user-mode
  • Virtualization
  • VMProtect
  • VMware
  • Warbird
  • WASM
  • WEB
  • winapi
  • winapi
  • WinDBG
  • windows
  • Windows Admin Center
  • Winsock
  • WMI
  • WML
  • Wordpress
  • WSL
  • XenServer
  • Xiaomi
  • XML
  • XNU Kernel
  • XSS
  • XXE
Log in
    © 2026 core-jmp. All rights reserved.
    Shopping Basket