Keystroke Monitoring

Apriorit Inc, Vladimir S. Sabanov

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19 Oct 2009CPOL6 min read

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In this article, we will consider the methods of hooking keyboard data in the kernel mode.

keyboardhook_src.zip
- src
  - clean.bat
  - ddk_build.bat
  - DriverMain
    - CKeyLoggerObserver.cpp
    - CKeyLoggerObserver.h
    - ClassDiagram1.cd
    - DriverMain.vcproj
    - Init.cpp
    - Init.h
    - InstallHooks.cpp
    - InstallHooks.h
    - Makefile
    - Sources
  - KBHookLib
    - APCRoutinePatch.cpp
    - APCRoutinePatch.h
    - CAPCContext.cpp
    - CAPCContext.h
    - CKbdclassHook.cpp
    - CKbdclassHook.h
    - CKBFilterManager.cpp
    - CKBFilterManager.h
    - CKBFilterObject.cpp
    - CKBFilterObject.h
    - IExternalObserver.h
    - IFilterObject.h
    - IFiltersManager.h
    - IIRPDispatcher.h
    - IIRPProcessor.h
    - IOCompletionRoutine.cpp
    - IOCompletionRoutine.h
    - KbdclassDefs.h
    - KBHookLib.vcproj
    - Makefile
    - Sources
  - LibCPP2
    - libcpp.h
    - limits.h
    - typeinfo
    - typeinfo.h
    - wchar.h
    - yvals.h
  - MSSTLPort
    - algorithm
    - bitset
    - climits
    - deque
    - exception
    - functional
    - iosfwd
    - iterator
    - list
    - map
    - memory
    - MSSTLPort.vcproj
    - new
    - queue
    - set
    - stack
    - stdexcept
    - string
    - utility
    - vector
    - xmemory
    - xstddef
    - xstring
    - xtree
    - xutility
  - SolutionItems
    - LibCPP2
      - LibCPP2.lib
  - TestDriver.sln
  - UtilsNative
    - Guards.cpp
    - Guards.h
    - Makefile
    - Sources
    - UtilsNative.vcproj
    - Wrappers.cpp
    - Wrappers.h
  - UtilsPort
    - GuardsPort.h
    - UtilsPort.vcproj

#ifndef __INSTALL_HOOKS_H__
#define __INSTALL_HOOKS_H__

extern "C"{
    #include <ntifs.h>
}

//Simple hooks. Works only on PS/2 keyboards.
void InstallSimpleHooks(PDRIVER_OBJECT pDriverObject);
void UninstallSimpleHooks(void);

//Universal hook. Patch kbdclass.sys
void InstallKbdclassHook(void);
void UninstallKbdclassHook(void);

#endif

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Apriorit Inc

Chief Technology Officer Apriorit Inc.

United States

ApriorIT is a software research and development company specializing in cybersecurity and data management technology engineering. We work for a broad range of clients from Fortune 500 technology leaders to small innovative startups building unique solutions.

As Apriorit offers integrated research&development services for the software projects in such areas as endpoint security, network security, data security, embedded Systems, and virtualization, we have strong kernel and driver development skills, huge system programming expertise, and are reals fans of research projects.

Our specialty is reverse engineering, we apply it for security testing and security-related projects.

A separate department of Apriorit works on large-scale business SaaS solutions, handling tasks from business analysis, data architecture design, and web development to performance optimization and DevOps.

Official site: https://www.apriorit.com
Clutch profile: https://clutch.co/profile/apriorit

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Written By

Vladimir S. Sabanov

Software Developer (Senior) AptiorIT

Ukraine

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Keystroke Monitoring

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