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Driver to Hide Processes and Files

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17 Aug 2009CPOL12 min read 654.6K   28.5K   369  
In this article, we describe the driver we created to hide processes and files in a system.
#if !defined(AFX_HOOKFILE_H__3BC6AD67_93A3_4723_8D72_DCFA9FDE3D83__INCLUDED_)
#define AFX_HOOKFILE_H__3BC6AD67_93A3_4723_8D72_DCFA9FDE3D83__INCLUDED_

#include "common.h"
#include "Ioctl.h"
#include "wrSync.h"
#include "HookMng.h"
#include "QueryMng.h"
extern "C"
{
	typedef struct _FILE_FULL_DIRECTORY_INFORMATION {
		ULONG NextEntryOffset;
		ULONG Unknown;
		LARGE_INTEGER CreationTime;
		LARGE_INTEGER LastAccessTime;
		LARGE_INTEGER LastWriteTime;
		LARGE_INTEGER ChangeTime;
		LARGE_INTEGER EndOfFile;
		LARGE_INTEGER AllocationSize;
		ULONG FileAttributes;
		ULONG FileNameLength;
		ULONG EaInformationLength;
		WCHAR FileName[1];
	} FILE_FULL_DIRECTORY_INFORMATION, *PFILE_FULL_DIRECTORY_INFORMATION;

	typedef struct _FILE_BOTH_DIRECTORY_INFORMATION { 
		ULONG NextEntryOffset;
		ULONG Unknown;
		LARGE_INTEGER CreationTime;
		LARGE_INTEGER LastAccessTime;
		LARGE_INTEGER LastWriteTime;
		LARGE_INTEGER ChangeTime;
		LARGE_INTEGER EndOfFile;
		LARGE_INTEGER AllocationSize;
		ULONG FileAttributes;
		ULONG FileNameLength;
		ULONG EaInformationLength;
		UCHAR AlternateNameLength;
		WCHAR AlternateName[12];
		WCHAR FileName[1];
	} FILE_BOTH_DIRECTORY_INFORMATION, *PFILE_BOTH_DIRECTORY_INFORMATION;

	/*NtQueryDirectoryFile*/
	typedef NTSTATUS (*NtQueryDirFile)(
		IN HANDLE FileHandle,
		IN HANDLE Event OPTIONAL,
		IN PIO_APC_ROUTINE ApcRoutine OPTIONAL, 
		IN PVOID ApcContext OPTIONAL,
		OUT PIO_STATUS_BLOCK IoStatusBlock,
		OUT PVOID FileInformation,
		IN ULONG FileInformationLength,
		IN FILE_INFORMATION_CLASS FileInformationClass,
		IN BOOLEAN ReturnSingleEntry,
		IN PUNICODE_STRING FileName OPTIONAL,
		IN BOOLEAN RestartScan
		);
}// extern "C"


// Perform initializing
void HookFileInit(HookMng& refHookMng,QueryMng& refQueryMng);
// Perform cleanup memory allocated for file names
void HookFileExit();

#endif // !defined(AFX_HOOKFILE_H__3BC6AD67_93A3_4723_8D72_DCFA9FDE3D83__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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