Win32/Sojaner.MemoryScanner/MemoryScanner.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Threading;
using System.Runtime.InteropServices;
using RomCheater.Logging;
using RomCheater.Core;
using System.IO;

namespace Sojaner.MemoryScanner
{
    // code borrowed from: http://www.codeproject.com/KB/cs/sojaner_memory_scanner.aspx    
    #region ProcessMemoryReader class
    //Thanks goes to Arik Poznanski for P/Invokes and methods needed to read and write the Memory
    //For more information refer to "Minesweeper, Behind the scenes" article by Arik Poznanski at Codeproject.com
    public class ProcessMemoryReader
    {

        public ProcessMemoryReader()
        {
        }

        /// <summary>   
        /// Process from which to read          
        /// </summary>
        public Process ReadProcess
        {
            get
            {
                return m_ReadProcess;
            }
            set
            {
                m_ReadProcess = value;
            }
        }

        private Process m_ReadProcess = null;

        private IntPtr m_hProcess = IntPtr.Zero;

        public void OpenProcess()
        {
            //                  m_hProcess = ProcessMemoryReaderApi.OpenProcess(ProcessMemoryReaderApi.PROCESS_VM_READ, 1, (uint)m_ReadProcess.Id);
            ProcessMemoryReaderApi.ProcessAccessType access;
            access = ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_READ
                | ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_WRITE
                | ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_OPERATION;
            m_hProcess = ProcessMemoryReaderApi.OpenProcess((uint)access, 1, (uint)m_ReadProcess.Id);
        }

        public void CloseHandle()
        {
            try
            {
                int iRetValue;
                iRetValue = ProcessMemoryReaderApi.CloseHandle(m_hProcess);
                if (iRetValue == 0)
                {
                    throw new Exception("CloseHandle failed");
                }
            }
            catch (Exception ex)
            {
                //System.Windows.Forms.MessageBox.Show(ex.Message, "error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
                throw ex;
            }
        }


        public bool DumpMemory(string filename, uint MemoryAddress, uint bytesToRead, out int bytesRead)
        {
            bytesRead = 0;
            uint byte_alignment = 102400; // write to file in 100mb chunks
            uint address = MemoryAddress;
            uint _bytesToRead = bytesToRead;
            byte[] buffer = new byte[] { };
            try
            {
                FileInfo fi = new FileInfo(filename);
                if (fi.Exists)
                    fi.Delete();
                using (FileStream fs = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.ReadWrite))
                {
                    BinaryWriter bw = new BinaryWriter(fs);
                    //foreach (byte b in data) { bw.Write(b); }

                    for (uint i = 0; i <= bytesToRead;)
                    {
                        if (_bytesToRead < byte_alignment)
                        {
                            _bytesToRead = bytesToRead;
                            buffer = new byte[_bytesToRead];
                        }
                        else
                        {
                            _bytesToRead = byte_alignment;
                            buffer = new byte[byte_alignment];
                        }
                        IntPtr ptrBytesRead;
                        ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (UIntPtr)address, buffer, _bytesToRead, out ptrBytesRead);
                        bytesRead = ptrBytesRead.ToInt32();
                        bw.Write(buffer);
                        bw.Flush();
                        
                        if (_bytesToRead < byte_alignment)
                        {
                            i += _bytesToRead;
                            address += _bytesToRead;
                        }
                        else
                        {
                            i += byte_alignment;
                            address += byte_alignment;
                        }

                        
                    }
                    bw.Close();
                }
                return true;
            }
            catch (OutOfMemoryException ex)
            {
                logger.Error.WriteLine("DumpMemory(): OutOfMemoryException");
                logger.Error.WriteLine(ex.ToString());
            }
            catch (Exception ex)
            {
                logger.Error.WriteLine("DumpMemory(): Exception");
                logger.Error.WriteLine(ex.ToString());
            }
            return false;
        }

        public byte[] ReadProcessMemory(uint MemoryAddress, uint bytesToRead, out int bytesRead)
        {
            bytesRead = 0;
            uint address = MemoryAddress;
            List<byte[]> aligned_array_list = new List<byte[]>();
            try
            {
                uint byte_alignment = 512; // 4mb alignment
               

                for (uint i = 0; i <= bytesToRead; i += byte_alignment)
                {
                    byte[] buffer = new byte[byte_alignment];
                    uint bytes_to_read = byte_alignment;
                    IntPtr ptrBytesRead;
                    ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (UIntPtr)address, buffer, bytes_to_read, out ptrBytesRead);
                    bytesRead = ptrBytesRead.ToInt32();
                    aligned_array_list.Add(buffer);                    
                    address += byte_alignment;
                }

                //List<byte> big_array = new List<byte>();
                //foreach (byte[] aligned_array in aligned_array_list) { foreach (byte b in aligned_array) { big_array.Add(b); } }

                return new byte[] { };
            }
            catch (OutOfMemoryException ex)
            {
                logger.Error.WriteLine("ReadProcessMemory(): OutOfMemoryException");
                logger.Error.WriteLine(ex.ToString());
            }
            catch (Exception ex)
            {
                logger.Error.WriteLine("ReadProcessMemory(): Exception");
                logger.Error.WriteLine(ex.ToString());
            }
            return new byte[] { };
        }

        public void WriteProcessMemory(UIntPtr MemoryAddress, byte[] bytesToWrite, out int bytesWritten)
        {
            IntPtr ptrBytesWritten;
            ProcessMemoryReaderApi.WriteProcessMemory(m_hProcess, MemoryAddress, bytesToWrite, (uint)bytesToWrite.Length, out ptrBytesWritten);

            bytesWritten = ptrBytesWritten.ToInt32();
        }


        /// <summary>
        /// ProcessMemoryReader is a class that enables direct reading a process memory
        /// </summary>
        class ProcessMemoryReaderApi
        {
            // constants information can be found in <winnt.h>
            [Flags]
            public enum ProcessAccessType
            {
                PROCESS_TERMINATE = (0x0001),
                PROCESS_CREATE_THREAD = (0x0002),
                PROCESS_SET_SESSIONID = (0x0004),
                PROCESS_VM_OPERATION = (0x0008),
                PROCESS_VM_READ = (0x0010),
                PROCESS_VM_WRITE = (0x0020),
                PROCESS_DUP_HANDLE = (0x0040),
                PROCESS_CREATE_PROCESS = (0x0080),
                PROCESS_SET_QUOTA = (0x0100),
                PROCESS_SET_INFORMATION = (0x0200),
                PROCESS_QUERY_INFORMATION = (0x0400)
            }

            // function declarations are found in the MSDN and in <winbase.h> 

            //          HANDLE OpenProcess(
            //                  DWORD dwDesiredAccess,  // access flag
            //                  BOOL bInheritHandle,    // handle inheritance option
            //                  DWORD dwProcessId       // process identifier
            //                  );
            [DllImport("kernel32.dll")]
            public static extern IntPtr OpenProcess(UInt32 dwDesiredAccess, Int32 bInheritHandle, UInt32 dwProcessId);

            //          BOOL CloseHandle(
            //                  HANDLE hObject   // handle to object
            //                  );
            [DllImport("kernel32.dll")]
            public static extern Int32 CloseHandle(IntPtr hObject);

            //          BOOL ReadProcessMemory(
            //                  HANDLE hProcess,              // handle to the process
            //                  LPCVOID lpBaseAddress,        // base of memory area
            //                  LPVOID lpBuffer,              // data buffer
            //                  SIZE_T nSize,                 // number of bytes to read
            //                  SIZE_T * lpNumberOfBytesRead  // number of bytes read
            //                  );
            [DllImport("kernel32.dll")]
            public static extern Int32 ReadProcessMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesRead);

            //          BOOL WriteProcessMemory(
            //                  HANDLE hProcess,                // handle to process
            //                  LPVOID lpBaseAddress,           // base of memory area
            //                  LPCVOID lpBuffer,               // data buffer
            //                  SIZE_T nSize,                   // count of bytes to write
            //                  SIZE_T * lpNumberOfBytesWritten // count of bytes written
            //                  );
            [DllImport("kernel32.dll")]
            public static extern Int32 WriteProcessMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesWritten);


        }
    }
    #endregion
}
Revision:	167
Committed:	Mon May 28 08:31:56 2012 UTC (10 years, 10 months ago) by william
File size:	9949 byte(s)
Log Message:	+ fix memory dump when bytes to read is less than buffer amount
#	User	Rev	Content
1	william	88	using System;
2			using System.Collections.Generic;
3			using System.Text;
4			using System.Diagnostics;
5			using System.Threading;
6			using System.Runtime.InteropServices;
7	william	156	using RomCheater.Logging;
8	william	162	using RomCheater.Core;
9			using System.IO;
10	william	88
11			namespace Sojaner.MemoryScanner
12			{
13			// code borrowed from: http://www.codeproject.com/KB/cs/sojaner_memory_scanner.aspx
14			#region ProcessMemoryReader class
15			//Thanks goes to Arik Poznanski for P/Invokes and methods needed to read and write the Memory
16			//For more information refer to "Minesweeper, Behind the scenes" article by Arik Poznanski at Codeproject.com
17			public class ProcessMemoryReader
18			{
19
20			public ProcessMemoryReader()
21			{
22			}
23
24			/// <summary>
25			/// Process from which to read
26			/// </summary>
27			public Process ReadProcess
28			{
29			get
30			{
31			return m_ReadProcess;
32			}
33			set
34			{
35			m_ReadProcess = value;
36			}
37			}
38
39			private Process m_ReadProcess = null;
40
41			private IntPtr m_hProcess = IntPtr.Zero;
42
43			public void OpenProcess()
44			{
45			// m_hProcess = ProcessMemoryReaderApi.OpenProcess(ProcessMemoryReaderApi.PROCESS_VM_READ, 1, (uint)m_ReadProcess.Id);
46			ProcessMemoryReaderApi.ProcessAccessType access;
47			access = ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_READ
48			\| ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_WRITE
49			\| ProcessMemoryReaderApi.ProcessAccessType.PROCESS_VM_OPERATION;
50			m_hProcess = ProcessMemoryReaderApi.OpenProcess((uint)access, 1, (uint)m_ReadProcess.Id);
51			}
52
53			public void CloseHandle()
54			{
55			try
56			{
57			int iRetValue;
58			iRetValue = ProcessMemoryReaderApi.CloseHandle(m_hProcess);
59			if (iRetValue == 0)
60			{
61			throw new Exception("CloseHandle failed");
62			}
63			}
64			catch (Exception ex)
65			{
66			//System.Windows.Forms.MessageBox.Show(ex.Message, "error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
67			throw ex;
68			}
69			}
70
71	william	162
72			public bool DumpMemory(string filename, uint MemoryAddress, uint bytesToRead, out int bytesRead)
73	william	88	{
74	william	162	bytesRead = 0;
75	william	166	uint byte_alignment = 102400; // write to file in 100mb chunks
76	william	162	uint address = MemoryAddress;
77	william	167	uint _bytesToRead = bytesToRead;
78			byte[] buffer = new byte[] { };
79	william	156	try
80			{
81	william	167	FileInfo fi = new FileInfo(filename);
82			if (fi.Exists)
83			fi.Delete();
84			using (FileStream fs = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.ReadWrite))
85	william	162	{
86			BinaryWriter bw = new BinaryWriter(fs);
87			//foreach (byte b in data) { bw.Write(b); }
88	william	88
89	william	167	for (uint i = 0; i <= bytesToRead;)
90	william	162	{
91	william	167	if (_bytesToRead < byte_alignment)
92			{
93			_bytesToRead = bytesToRead;
94			buffer = new byte[_bytesToRead];
95			}
96			else
97			{
98			_bytesToRead = byte_alignment;
99			buffer = new byte[byte_alignment];
100			}
101	william	162	IntPtr ptrBytesRead;
102	william	167	ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (UIntPtr)address, buffer, _bytesToRead, out ptrBytesRead);
103	william	162	bytesRead = ptrBytesRead.ToInt32();
104			bw.Write(buffer);
105			bw.Flush();
106	william	167
107			if (_bytesToRead < byte_alignment)
108			{
109			i += _bytesToRead;
110			address += _bytesToRead;
111			}
112			else
113			{
114			i += byte_alignment;
115			address += byte_alignment;
116			}
117
118
119	william	162	}
120			bw.Close();
121			}
122			return true;
123			}
124			catch (OutOfMemoryException ex)
125			{
126			logger.Error.WriteLine("DumpMemory(): OutOfMemoryException");
127			logger.Error.WriteLine(ex.ToString());
128			}
129			catch (Exception ex)
130			{
131			logger.Error.WriteLine("DumpMemory(): Exception");
132			logger.Error.WriteLine(ex.ToString());
133			}
134			return false;
135			}
136	william	88
137	william	162	public byte[] ReadProcessMemory(uint MemoryAddress, uint bytesToRead, out int bytesRead)
138			{
139			bytesRead = 0;
140			uint address = MemoryAddress;
141			List<byte[]> aligned_array_list = new List<byte[]>();
142			try
143			{
144			uint byte_alignment = 512; // 4mb alignment
145
146	william	88
147	william	162	for (uint i = 0; i <= bytesToRead; i += byte_alignment)
148			{
149			byte[] buffer = new byte[byte_alignment];
150			uint bytes_to_read = byte_alignment;
151			IntPtr ptrBytesRead;
152	william	164	ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (UIntPtr)address, buffer, bytes_to_read, out ptrBytesRead);
153	william	162	bytesRead = ptrBytesRead.ToInt32();
154			aligned_array_list.Add(buffer);
155			address += byte_alignment;
156			}
157
158			//List<byte> big_array = new List<byte>();
159			//foreach (byte[] aligned_array in aligned_array_list) { foreach (byte b in aligned_array) { big_array.Add(b); } }
160
161			return new byte[] { };
162	william	156	}
163			catch (OutOfMemoryException ex)
164			{
165			logger.Error.WriteLine("ReadProcessMemory(): OutOfMemoryException");
166			logger.Error.WriteLine(ex.ToString());
167			}
168			catch (Exception ex)
169			{
170			logger.Error.WriteLine("ReadProcessMemory(): Exception");
171			logger.Error.WriteLine(ex.ToString());
172			}
173			return new byte[] { };
174	william	88	}
175
176	william	164	public void WriteProcessMemory(UIntPtr MemoryAddress, byte[] bytesToWrite, out int bytesWritten)
177	william	88	{
178			IntPtr ptrBytesWritten;
179			ProcessMemoryReaderApi.WriteProcessMemory(m_hProcess, MemoryAddress, bytesToWrite, (uint)bytesToWrite.Length, out ptrBytesWritten);
180
181			bytesWritten = ptrBytesWritten.ToInt32();
182			}
183
184
185			/// <summary>
186			/// ProcessMemoryReader is a class that enables direct reading a process memory
187			/// </summary>
188			class ProcessMemoryReaderApi
189			{
190			// constants information can be found in <winnt.h>
191			[Flags]
192			public enum ProcessAccessType
193			{
194			PROCESS_TERMINATE = (0x0001),
195			PROCESS_CREATE_THREAD = (0x0002),
196			PROCESS_SET_SESSIONID = (0x0004),
197			PROCESS_VM_OPERATION = (0x0008),
198			PROCESS_VM_READ = (0x0010),
199			PROCESS_VM_WRITE = (0x0020),
200			PROCESS_DUP_HANDLE = (0x0040),
201			PROCESS_CREATE_PROCESS = (0x0080),
202			PROCESS_SET_QUOTA = (0x0100),
203			PROCESS_SET_INFORMATION = (0x0200),
204			PROCESS_QUERY_INFORMATION = (0x0400)
205			}
206
207			// function declarations are found in the MSDN and in <winbase.h>
208
209			// HANDLE OpenProcess(
210			// DWORD dwDesiredAccess, // access flag
211			// BOOL bInheritHandle, // handle inheritance option
212			// DWORD dwProcessId // process identifier
213			// );
214			[DllImport("kernel32.dll")]
215			public static extern IntPtr OpenProcess(UInt32 dwDesiredAccess, Int32 bInheritHandle, UInt32 dwProcessId);
216
217			// BOOL CloseHandle(
218			// HANDLE hObject // handle to object
219			// );
220			[DllImport("kernel32.dll")]
221			public static extern Int32 CloseHandle(IntPtr hObject);
222
223			// BOOL ReadProcessMemory(
224			// HANDLE hProcess, // handle to the process
225			// LPCVOID lpBaseAddress, // base of memory area
226			// LPVOID lpBuffer, // data buffer
227			// SIZE_T nSize, // number of bytes to read
228			// SIZE_T * lpNumberOfBytesRead // number of bytes read
229			// );
230			[DllImport("kernel32.dll")]
231	william	164	public static extern Int32 ReadProcessMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesRead);
232	william	88
233			// BOOL WriteProcessMemory(
234			// HANDLE hProcess, // handle to process
235			// LPVOID lpBaseAddress, // base of memory area
236			// LPCVOID lpBuffer, // data buffer
237			// SIZE_T nSize, // count of bytes to write
238			// SIZE_T * lpNumberOfBytesWritten // count of bytes written
239			// );
240			[DllImport("kernel32.dll")]
241	william	164	public static extern Int32 WriteProcessMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesWritten);
242	william	88
243
244			}
245			}
246			#endregion
247			}