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Driver to Hide Processes and Files

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17 Aug 2009CPOL12 min read 658.7K   28.6K   369  
In this article, we describe the driver we created to hide processes and files in a system.
#if !defined(AFX_HOOKMNG_H__CC466B43_CEF2_4037_8D0C_630973995D56__INCLUDED_)
#define AFX_HOOKMNG_H__CC466B43_CEF2_4037_8D0C_630973995D56__INCLUDED_

#include "common.h"
#include "SingleMode.h"
#include "HookFactory.h"

class HookMng
{
private:
	std::vector<Hook> mHooksInfo;
	std::deque<Hook> mHooksDeque;
	SingleProcessorMode mSingleMode;
	
public:
	HookMng(){}
	~HookMng(){ClearHooks();}

	bool QueueHook(IN Hook& refHook);
	
	bool ApplyQueuedHooks();
	void CleanQueuedHooks();

	void ClearHooks();

	/*	Function that hooking ntoskrnl functions in SDT */
protected:
	void ExApplyQueuedHooks();
	
	template<class _Type> 
		bool ExSetHook(
		_Type& refObject,				// Object of specified _Type
		void (_Type::*FuncPtr)());	// Pointer to a method of specified _Type

};
template<class _Type> 
bool HookMng::ExSetHook(
			   _Type& refObject,				// Object of specified _Type
			   void (_Type::*FuncPtr)())	// Pointer to a method of specified _Type
{
	ULONG CR0Reg;
	mSingleMode.Enter();

	__asm
	{
		mov eax, cr0
			mov CR0Reg,eax			// save WP bit
			and eax,0xFFFEFFFF		// clear WP bit
			mov cr0, eax
	}

	// Calling a method of specified _Type
	(refObject.*FuncPtr)();

	__asm
	{
		mov eax, CR0Reg
			mov cr0, eax            // restore WP bit                    
	}

	mSingleMode.Exit();

	return true;
}
#endif // !defined(AFX_HOOKMNG_H__CC466B43_CEF2_4037_8D0C_630973995D56__INCLUDED_)

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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
Chief Technology Officer Apriorit Inc.
United States 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
Software Developer Codedgers Inc
Ukraine Ukraine
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Written By
Software Developer (Junior) ApriorIT
Ukraine Ukraine
Sergey Popenko.
22 years old.
The Driver Team`s software developer.
Master of the Applied Math faculty, the Dnipropetrovsk National University, Ukraine.

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