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(Process ppid, string filename, uint MemoryAddress, uint bytesToRead, out int bytesRead)
        {
            logger.Info.WriteLine("Dumping memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
            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();
                }
                logger.Info.WriteLine("Succefully dumped memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
                return true;
            }
            catch (OutOfMemoryException ex)
            {
                logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
                logger.Error.WriteLine("DumpMemory(): OutOfMemoryException");
                logger.Error.WriteLine(ex.ToString());
            }
            catch (Exception ex)
            {
                logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
                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:	169
Committed:	Mon May 28 08:49:42 2012 UTC (11 years, 6 months ago) by william
File size:	10869 byte(s)
Log Message:	+ add success/failure messages for ram dump
#	Content
1	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	using RomCheater.Logging;
8	using RomCheater.Core;
9	using System.IO;
10
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
72	public bool DumpMemory(Process ppid, string filename, uint MemoryAddress, uint bytesToRead, out int bytesRead)
73	{
74	logger.Info.WriteLine("Dumping memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
75	bytesRead = 0;
76	uint byte_alignment = 102400; // write to file in 100mb chunks
77	uint address = MemoryAddress;
78	uint _bytesToRead = bytesToRead;
79	byte[] buffer = new byte[] { };
80	try
81	{
82	FileInfo fi = new FileInfo(filename);
83	if (fi.Exists)
84	fi.Delete();
85	using (FileStream fs = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.ReadWrite))
86	{
87	BinaryWriter bw = new BinaryWriter(fs);
88	//foreach (byte b in data) { bw.Write(b); }
89
90	for (uint i = 0; i <= bytesToRead;)
91	{
92	if (_bytesToRead < byte_alignment)
93	{
94	_bytesToRead = bytesToRead;
95	buffer = new byte[_bytesToRead];
96	}
97	else
98	{
99	_bytesToRead = byte_alignment;
100	buffer = new byte[byte_alignment];
101	}
102	IntPtr ptrBytesRead;
103	ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (UIntPtr)address, buffer, _bytesToRead, out ptrBytesRead);
104	bytesRead = ptrBytesRead.ToInt32();
105	bw.Write(buffer);
106	bw.Flush();
107
108	if (_bytesToRead < byte_alignment)
109	{
110	i += _bytesToRead;
111	address += _bytesToRead;
112	}
113	else
114	{
115	i += byte_alignment;
116	address += byte_alignment;
117	}
118
119
120	}
121	bw.Close();
122	}
123	logger.Info.WriteLine("Succefully dumped memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
124	return true;
125	}
126	catch (OutOfMemoryException ex)
127	{
128	logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
129	logger.Error.WriteLine("DumpMemory(): OutOfMemoryException");
130	logger.Error.WriteLine(ex.ToString());
131	}
132	catch (Exception ex)
133	{
134	logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
135	logger.Error.WriteLine("DumpMemory(): Exception");
136	logger.Error.WriteLine(ex.ToString());
137	}
138	return false;
139	}
140
141	public byte[] ReadProcessMemory(uint MemoryAddress, uint bytesToRead, out int bytesRead)
142	{
143	bytesRead = 0;
144	uint address = MemoryAddress;
145	List<byte[]> aligned_array_list = new List<byte[]>();
146	try
147	{
148	uint byte_alignment = 512; // 4mb alignment
149
150
151	for (uint i = 0; i <= bytesToRead; i += byte_alignment)
152	{
153	byte[] buffer = new byte[byte_alignment];
154	uint bytes_to_read = byte_alignment;
155	IntPtr ptrBytesRead;
156	ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (UIntPtr)address, buffer, bytes_to_read, out ptrBytesRead);
157	bytesRead = ptrBytesRead.ToInt32();
158	aligned_array_list.Add(buffer);
159	address += byte_alignment;
160	}
161
162	//List<byte> big_array = new List<byte>();
163	//foreach (byte[] aligned_array in aligned_array_list) { foreach (byte b in aligned_array) { big_array.Add(b); } }
164
165	return new byte[] { };
166	}
167	catch (OutOfMemoryException ex)
168	{
169	logger.Error.WriteLine("ReadProcessMemory(): OutOfMemoryException");
170	logger.Error.WriteLine(ex.ToString());
171	}
172	catch (Exception ex)
173	{
174	logger.Error.WriteLine("ReadProcessMemory(): Exception");
175	logger.Error.WriteLine(ex.ToString());
176	}
177	return new byte[] { };
178	}
179
180	public void WriteProcessMemory(UIntPtr MemoryAddress, byte[] bytesToWrite, out int bytesWritten)
181	{
182	IntPtr ptrBytesWritten;
183	ProcessMemoryReaderApi.WriteProcessMemory(m_hProcess, MemoryAddress, bytesToWrite, (uint)bytesToWrite.Length, out ptrBytesWritten);
184
185	bytesWritten = ptrBytesWritten.ToInt32();
186	}
187
188
189	/// <summary>
190	/// ProcessMemoryReader is a class that enables direct reading a process memory
191	/// </summary>
192	class ProcessMemoryReaderApi
193	{
194	// constants information can be found in <winnt.h>
195	[Flags]
196	public enum ProcessAccessType
197	{
198	PROCESS_TERMINATE = (0x0001),
199	PROCESS_CREATE_THREAD = (0x0002),
200	PROCESS_SET_SESSIONID = (0x0004),
201	PROCESS_VM_OPERATION = (0x0008),
202	PROCESS_VM_READ = (0x0010),
203	PROCESS_VM_WRITE = (0x0020),
204	PROCESS_DUP_HANDLE = (0x0040),
205	PROCESS_CREATE_PROCESS = (0x0080),
206	PROCESS_SET_QUOTA = (0x0100),
207	PROCESS_SET_INFORMATION = (0x0200),
208	PROCESS_QUERY_INFORMATION = (0x0400)
209	}
210
211	// function declarations are found in the MSDN and in <winbase.h>
212
213	// HANDLE OpenProcess(
214	// DWORD dwDesiredAccess, // access flag
215	// BOOL bInheritHandle, // handle inheritance option
216	// DWORD dwProcessId // process identifier
217	// );
218	[DllImport("kernel32.dll")]
219	public static extern IntPtr OpenProcess(UInt32 dwDesiredAccess, Int32 bInheritHandle, UInt32 dwProcessId);
220
221	// BOOL CloseHandle(
222	// HANDLE hObject // handle to object
223	// );
224	[DllImport("kernel32.dll")]
225	public static extern Int32 CloseHandle(IntPtr hObject);
226
227	// BOOL ReadProcessMemory(
228	// HANDLE hProcess, // handle to the process
229	// LPCVOID lpBaseAddress, // base of memory area
230	// LPVOID lpBuffer, // data buffer
231	// SIZE_T nSize, // number of bytes to read
232	// SIZE_T * lpNumberOfBytesRead // number of bytes read
233	// );
234	[DllImport("kernel32.dll")]
235	public static extern Int32 ReadProcessMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesRead);
236
237	// BOOL WriteProcessMemory(
238	// HANDLE hProcess, // handle to process
239	// LPVOID lpBaseAddress, // base of memory area
240	// LPCVOID lpBuffer, // data buffer
241	// SIZE_T nSize, // count of bytes to write
242	// SIZE_T * lpNumberOfBytesWritten // count of bytes written
243	// );
244	[DllImport("kernel32.dll")]
245	public static extern Int32 WriteProcessMemory(IntPtr hProcess, UIntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesWritten);
246
247
248	}
249	}
250	#endregion
251	}