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Posts in category: winapi

Inside the Beast: Building Ultra-Optimized Windows Shellcode from Pure C

Writing Optimized Windows Shellcode (old but gold)

February 13, 2026
by oxfemale BypassingcppEDRLoaderPEBshellcodeTEBwinapiwinapiwindows

A deep dive into crafting ultra-compact Windows shellcode that walks the PEB, resolves APIs via export hashing, and runs fully self-contained without imports — showing how C can build stealthy, position-independent payloads.

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Process Injection via Component Object Model (COM) IRundown::DoCallback() for run cmd.exe from lsass.exe or other pids

February 6, 2026
by oxfemale AdministratorBypassingCallbackscppEDREscalationInjectionLoadershellcodewinapiwindows

A PoC/demo demonstrating code injection via COM (using the IRundown::DoCallback() mechanism) to execute a payload in the context of a selected process, including lsass.exe (or any other PID).

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Снимок экрана 2026-02-03 в 14.09.40

NO ALLOC, NO PROBLEM: LEVERAGING PROGRAM ENTRY POINTS FOR PROCESS INJECTION

February 3, 2026
by oxfemale alloccppDebugInjectionwinapiwindows

Remote process injection and looking for a few under-the-radar techniques that were either not documented well and/or contained minimalist core requirements for functionality.

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was_plugins

Securely Embedding WASM Plugins in Your Project

February 2, 2026
by oxfemale ContainerscppCryptLibraryLoaderPluginsUncategorizedWASMwinapiwinapiwindows

libraries for packaging, verifying, decrypting, and executing WebAssembly plugins packaged in a custom container format .mylib (version 2).

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Process Injection

Exploring Protected Process Light and Exploits

February 2, 2026
by oxfemale cppInjectionLibraryPPLUncategorizedwinapiwinapiwindows

Red team technique—process injection—and how to leverage it against Protected Process Light (PPL)

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QueueUserAPC2 Process Injection

Mastering APC Injection with QueueUserAPC2

January 30, 2026
by oxfemale Injectionwinapiwindows

In this article, I will demonstrate one of the classic, fundamental techniques for injecting shellcode into a remote process using APCs. I realized I hadn’t documented this method yet, so that is exactly what we will cover today. specifically, we will be combining QueueUserAPC2 with NtTestAlert

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