Download writeprocessmemory monitor
Author: f | 2025-04-24
Windows Antivirus Security PC Protection WriteProcessMemory Monitor Download. WriteProcessMemory Monitor download Download WriteProcessMemory Monitor latest version for Windows free. WriteProcessMemory Monitor latest update: Ap
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Encoded.Question 4Which functions does the shellcode manually import?Answer 4To answer this question we need to look at the shellcode itself. One way to do this is to create breakpoints associated with relevant API calls we discovered were being used to inject into Internet Explorer, particularly ‘WriteProcessMemory’. By Opening this in OllyDbg2, we can easily pivot to the instance of WriteProcessMemory by using CTRL + G and locating the appropriate label.By creating a breakpoint here and beginning to step into the next assembly instructions, we can see that this is writing a buffer from 0x407030 where our shellcode resides for the next 423 bytes.By following this in our dump we can see at a glance approximately where the shellcode starts and finishes based on the data shown.From here we can dump this to a file to get the shellcode which will be injected into Internet Explorer.If we open this in IDA and begin converting it to code using ‘c’ we will soon get to a section which contains the decoding routine.This helps to prove the code will be injected into Internet Explorer, and once injected will perform decoding of the shellcode before execution; however, it doesn’t answer what imports this has. By running it through scdbg like we did previously we can see it shows the decoding stub assembly in addition to what the shellcode is essentially trying to do.scdbg -f Lab19-02_00407000.bin -findscFrom this we know that the shellcode is at least importing the following functions. LoadLibraryA WSAStartup WSASocket connect GetCurrentProcess TerminateProcessWe also now know that this is designed to connect back to a host at 192.168.200.2 on TCP port 13330.One way we can debug the shellcode after our decoding routine has executed, is to create a breakpoint at 0x407041 after the shellcode has decoded, and set our origin to the start of the shellcode 0x407030.Once we hit our breakpoint using F9, we can once again dump the decoded shellcode into a file.If we run scdbg over it again we can see a similar result, only this time the assembly shown is different. This will still contain the decoding routine, as
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Library, plus the NULL terminator.On success pArgumentAddress will point somewhere in the target’s memory. This is not your process memory, so you can’t write directly there, just take the address for the next step.Write the argument into the target’s memoryWith pArgumentAddress pointing to the target’s memory obtained in the previous code, we’ll call WriteProcessMemory to write into the actual path and filename:if (!WriteProcessMemory(processHandle, pArgumentAddress, szfullDllName,szfullDllNameSize, NULL)){// Failure}Create a remote threadNow that we have the function’s argument in a known memory position, it’s time to work the real magic:By using CreateRemoteThread, we will execute LoadLibraryA into the target’s process (whose address we have obtained before) passing to it the full path of the library that we want to load.This will happen before your very eyes:HANDLE remoteThread = CreateRemoteThread(processHandle, NULL, 0x100000, loadLibraryExAddress, pArgumentAddress ,NULL);if everything goes well, within some nanoseconds LoadLibraryA will be executed on the target process, and DllMain will be called.Check for completionWe can’t get the return value of LoadLibraryA, so in a real world application we recommend the usage of some IPC signaling (for example, an IPC event via OpenEvent ) to control the success of the DLL initialization on the other side. The specific code needed depends greatly on what you want to check, so we won’t reproduce it here.Also, you should return from DllMain as soon as possible, creating another thread local to the process from DllMain to continue the work from there.From the injection code point of view, now it’s time to just call WaitForSingleObject to wait for the remote thread to be terminated:DWORD result = WaitForSingleObject(remoteThread, TIMEOUT_MILISECONDS);if (result != WAIT_OBJECT_0) {// Error}// Check here your IPC event or whatever other method that// you implemented to check if your injected DLL has been succeedClean up and exitTo finish, even if they were only a few bytes, we want to be polite and clean up unneeded memory and the process handle.if (processHandle) CloseHandle(processHandle);if (pArgumentAddress) VirtualFreeEx(processHandle, pArgumentAddress, 0, MEM_RELEASE);ConclusionsEven tough Windows doesn’t provide a standard method, nor a well documented procedure to perform a proper DLL injection, the indicated steps should work for the vast majority of applications.You can take it as a good base to take on the implementation of a DLL injector on your own.However, there are some applications hostile to this technique; particularly, some anti-debugger code will quickly complain because the start of the DLL can be detected very easily.Or maybe, the LoadLibraryA function that you are calling has been patched (hooked) and will refuse the loading of any DLL that is unknown to the application.There are hundreds of scenarios where one application may block your “standard” injection attempt.To circumvent this counter-measures, there are more powerful techniques such as the so-called “reflective DLL loading”, which basically avoids calling the LoadLibraryA function by implementing alternative custom loaders.This way, the injection process is more stealth and more difficult to be detected and blocked.But techniques that fall into the dark side are a horse of a different color -and may be subject to a whole new article ;)WriteProcessMemory Monitor Download - Monitor processes that
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More data is available. ERROR_CANNOT_COPY 266 (0x10A) The copy functions cannot be used. ERROR_DIRECTORY 267 (0x10B) The directory name is invalid. ERROR_EAS_DIDNT_FIT 275 (0x113) The extended attributes did not fit in the buffer. ERROR_EA_FILE_CORRUPT 276 (0x114) The extended attribute file on the mounted file system is corrupt. ERROR_EA_TABLE_FULL 277 (0x115) The extended attribute table file is full. ERROR_INVALID_EA_HANDLE 278 (0x116) The specified extended attribute handle is invalid. ERROR_EAS_NOT_SUPPORTED 282 (0x11A) The mounted file system does not support extended attributes. ERROR_NOT_OWNER 288 (0x120) Attempt to release mutex not owned by caller. ERROR_TOO_MANY_POSTS 298 (0x12A) Too many posts were made to a semaphore. ERROR_PARTIAL_COPY 299 (0x12B) Only part of a ReadProcessMemory or WriteProcessMemory request was completed. ERROR_OPLOCK_NOT_GRANTED 300 (0x12C) The oplock request is denied. ERROR_INVALID_OPLOCK_PROTOCOL 301 (0x12D) An invalid oplock acknowledgment was received by the system. ERROR_DISK_TOO_FRAGMENTED 302 (0x12E) The volume is too fragmented to complete this operation. ERROR_DELETE_PENDING 303 (0x12F) The file cannot be opened because it is in the process of being deleted. ERROR_INCOMPATIBLE_WITH_GLOBAL_SHORT_NAME_REGISTRY_SETTING 304 (0x130) Short name settings may not be changed on this volume due to the global registry setting. ERROR_SHORT_NAMES_NOT_ENABLED_ON_VOLUME 305 (0x131) Short names are not enabled on this volume. ERROR_SECURITY_STREAM_IS_INCONSISTENT 306 (0x132) The security stream for the given volume is in an inconsistent state. Please run CHKDSK on the volume. ERROR_INVALID_LOCK_RANGE 307 (0x133) A requested file lock operation cannot be processed due to an invalid byte range. ERROR_IMAGE_SUBSYSTEM_NOT_PRESENT 308 (0x134) The subsystem needed to support the image type is not present. ERROR_NOTIFICATION_GUID_ALREADY_DEFINED 309 (0x135) The specifiedDownload WriteProcessMemory Monitor by unknown
Read And Write User Mode Process Via Ring0 []This project uses a kernel mode driver in co-operation with a user mode program to establish a method of reading / writing virtual memory from a regular win32 program without having to use regular WinAPI Functions. This happens by using a driver to execute the reading / writing of the memory itself from a lower level. This means the user mode program does not have to open any handles to csgo or use ReadProcessMemory or WriteProcessMemory nor any functions that has to deal with process handles. VAC’s defence against external cheats is based on system handle scanning on user level. VAC scans handles in the system (ring3), when it finds a handle which for example points to cs:go, the process that holds that handle will be analysed.This can be avoided by not opening any handles to csgo (OpenProcess()), but it also means we can’t use any WinAPI Functions to Read/Write the memory of the process that we want, so we must go to a lower level. As of now, VAC or valve does not have any drivers which means if we can write & get kernel code running defeating vac is possible.Then a scanning thread is created. This thread repeatedly scans all handles in the system (calls NtQuerySystemInformation with SystemHandleInformation information class) for handles to the process its running from and logs any process holding it into the first section object. VAC uses NtQueryInformationProcess with ProcessImageFileName information class to find the image name of the process, tries to open it with NtCreateFile and uses GetFileInformationByHandle to get the volume serial number and the file identifier (it won't change if you rename or move the file).WriteProcessMemory Monitor 1.5 Download (Free)
DLL Injector for Windows (x86/x64)OverviewThis repository contains a simple DLL (Dynamic Link Library) injector that uses the Windows API LoadLibrary function.The injector allows you to inject custom DLLs into running processes, enabling you to modify their behavior dynamically.This implementation can be build for both x86 and x64 architectures in Visual Studio.To test the injector, the repository also includes a project to build a simple DLL that opens a console in the target application when injected.UsageBuild the Injector:Note that the injector, injected DLL and target program should all have the same architecture (x86 or x64)!Open the DLLInjector.sln solution file in Visual Studio.Build the solution for the desired architecture (x86 or x64).Build or locate the DLL you want to injectPrepare Target Process:Run the target application you want to inject the DLL into.Identify the target process using the PID, the application name, or the window titleRun the Injector from the command line:This simple injector is built for educational purposes and makes no attempt to hide it's activity.If Windows Defender is active, it will likely detect this behaviour, interpret it as suspicious, and remove the injector.You can disable Windows Defender temporarily at your own risk..\DLLInjector_x86.exe .\DLL-Open-Console_x86.dll --process-name Notepad++.exeVerify that the DLL is successfully injectedThe console should show the following output:With the provided DLL, a console window should now be opened for the target application.Eject the DLL (optional):Press 'e' to eject, the opened console should then close.Injection ProcessThe injector uses the following steps to inject the DLL in the target process:Determine the process ID of the target. The Windows API contains several functions that can accomplish this (CreateToolhelp32Snapshot or GetWindowThreadProcessId). Alternatively, you can also use the Windows Task Manager.Use the OpenProcess function to get the Handle of the target process.For the following steps, it is important to use the PROCESS_ALL_ACCESS-flag.Use the VirtualAllocEx function to reserve a space in the memory of the target process.We need both read and write access to the memory.Use the WriteProcessMemory function to store the path to the chosen DLL in the memory of the target process that we reserved in the previous step.Use the CreateRemoteThread function to create a new thread in the target process.This thread will then call the LoadLibrary function to load the DLL in the target process.When the injectory is finished, the chosen DLL will be loaded in the address space of the target process:. Windows Antivirus Security PC Protection WriteProcessMemory Monitor Download. WriteProcessMemory Monitor download Download WriteProcessMemory Monitor latest version for Windows free. WriteProcessMemory Monitor latest update: ApComments
Encoded.Question 4Which functions does the shellcode manually import?Answer 4To answer this question we need to look at the shellcode itself. One way to do this is to create breakpoints associated with relevant API calls we discovered were being used to inject into Internet Explorer, particularly ‘WriteProcessMemory’. By Opening this in OllyDbg2, we can easily pivot to the instance of WriteProcessMemory by using CTRL + G and locating the appropriate label.By creating a breakpoint here and beginning to step into the next assembly instructions, we can see that this is writing a buffer from 0x407030 where our shellcode resides for the next 423 bytes.By following this in our dump we can see at a glance approximately where the shellcode starts and finishes based on the data shown.From here we can dump this to a file to get the shellcode which will be injected into Internet Explorer.If we open this in IDA and begin converting it to code using ‘c’ we will soon get to a section which contains the decoding routine.This helps to prove the code will be injected into Internet Explorer, and once injected will perform decoding of the shellcode before execution; however, it doesn’t answer what imports this has. By running it through scdbg like we did previously we can see it shows the decoding stub assembly in addition to what the shellcode is essentially trying to do.scdbg -f Lab19-02_00407000.bin -findscFrom this we know that the shellcode is at least importing the following functions. LoadLibraryA WSAStartup WSASocket connect GetCurrentProcess TerminateProcessWe also now know that this is designed to connect back to a host at 192.168.200.2 on TCP port 13330.One way we can debug the shellcode after our decoding routine has executed, is to create a breakpoint at 0x407041 after the shellcode has decoded, and set our origin to the start of the shellcode 0x407030.Once we hit our breakpoint using F9, we can once again dump the decoded shellcode into a file.If we run scdbg over it again we can see a similar result, only this time the assembly shown is different. This will still contain the decoding routine, as
2025-04-02Library, plus the NULL terminator.On success pArgumentAddress will point somewhere in the target’s memory. This is not your process memory, so you can’t write directly there, just take the address for the next step.Write the argument into the target’s memoryWith pArgumentAddress pointing to the target’s memory obtained in the previous code, we’ll call WriteProcessMemory to write into the actual path and filename:if (!WriteProcessMemory(processHandle, pArgumentAddress, szfullDllName,szfullDllNameSize, NULL)){// Failure}Create a remote threadNow that we have the function’s argument in a known memory position, it’s time to work the real magic:By using CreateRemoteThread, we will execute LoadLibraryA into the target’s process (whose address we have obtained before) passing to it the full path of the library that we want to load.This will happen before your very eyes:HANDLE remoteThread = CreateRemoteThread(processHandle, NULL, 0x100000, loadLibraryExAddress, pArgumentAddress ,NULL);if everything goes well, within some nanoseconds LoadLibraryA will be executed on the target process, and DllMain will be called.Check for completionWe can’t get the return value of LoadLibraryA, so in a real world application we recommend the usage of some IPC signaling (for example, an IPC event via OpenEvent ) to control the success of the DLL initialization on the other side. The specific code needed depends greatly on what you want to check, so we won’t reproduce it here.Also, you should return from DllMain as soon as possible, creating another thread local to the process from DllMain to continue the work from there.From the injection code point of view, now it’s time to just call WaitForSingleObject to wait for the remote thread to be terminated:DWORD result = WaitForSingleObject(remoteThread, TIMEOUT_MILISECONDS);if (result != WAIT_OBJECT_0) {// Error}// Check here your IPC event or whatever other method that// you implemented to check if your injected DLL has been succeedClean up and exitTo finish, even if they were only a few bytes, we want to be polite and clean up unneeded memory and the process handle.if (processHandle) CloseHandle(processHandle);if (pArgumentAddress) VirtualFreeEx(processHandle, pArgumentAddress, 0, MEM_RELEASE);ConclusionsEven tough Windows doesn’t provide a standard method, nor a well documented procedure to perform a proper DLL injection, the indicated steps should work for the vast majority of applications.You can take it as a good base to take on the implementation of a DLL injector on your own.However, there are some applications hostile to this technique; particularly, some anti-debugger code will quickly complain because the start of the DLL can be detected very easily.Or maybe, the LoadLibraryA function that you are calling has been patched (hooked) and will refuse the loading of any DLL that is unknown to the application.There are hundreds of scenarios where one application may block your “standard” injection attempt.To circumvent this counter-measures, there are more powerful techniques such as the so-called “reflective DLL loading”, which basically avoids calling the LoadLibraryA function by implementing alternative custom loaders.This way, the injection process is more stealth and more difficult to be detected and blocked.But techniques that fall into the dark side are a horse of a different color -and may be subject to a whole new article ;)
2025-04-14More data is available. ERROR_CANNOT_COPY 266 (0x10A) The copy functions cannot be used. ERROR_DIRECTORY 267 (0x10B) The directory name is invalid. ERROR_EAS_DIDNT_FIT 275 (0x113) The extended attributes did not fit in the buffer. ERROR_EA_FILE_CORRUPT 276 (0x114) The extended attribute file on the mounted file system is corrupt. ERROR_EA_TABLE_FULL 277 (0x115) The extended attribute table file is full. ERROR_INVALID_EA_HANDLE 278 (0x116) The specified extended attribute handle is invalid. ERROR_EAS_NOT_SUPPORTED 282 (0x11A) The mounted file system does not support extended attributes. ERROR_NOT_OWNER 288 (0x120) Attempt to release mutex not owned by caller. ERROR_TOO_MANY_POSTS 298 (0x12A) Too many posts were made to a semaphore. ERROR_PARTIAL_COPY 299 (0x12B) Only part of a ReadProcessMemory or WriteProcessMemory request was completed. ERROR_OPLOCK_NOT_GRANTED 300 (0x12C) The oplock request is denied. ERROR_INVALID_OPLOCK_PROTOCOL 301 (0x12D) An invalid oplock acknowledgment was received by the system. ERROR_DISK_TOO_FRAGMENTED 302 (0x12E) The volume is too fragmented to complete this operation. ERROR_DELETE_PENDING 303 (0x12F) The file cannot be opened because it is in the process of being deleted. ERROR_INCOMPATIBLE_WITH_GLOBAL_SHORT_NAME_REGISTRY_SETTING 304 (0x130) Short name settings may not be changed on this volume due to the global registry setting. ERROR_SHORT_NAMES_NOT_ENABLED_ON_VOLUME 305 (0x131) Short names are not enabled on this volume. ERROR_SECURITY_STREAM_IS_INCONSISTENT 306 (0x132) The security stream for the given volume is in an inconsistent state. Please run CHKDSK on the volume. ERROR_INVALID_LOCK_RANGE 307 (0x133) A requested file lock operation cannot be processed due to an invalid byte range. ERROR_IMAGE_SUBSYSTEM_NOT_PRESENT 308 (0x134) The subsystem needed to support the image type is not present. ERROR_NOTIFICATION_GUID_ALREADY_DEFINED 309 (0x135) The specified
2025-03-25Read And Write User Mode Process Via Ring0 []This project uses a kernel mode driver in co-operation with a user mode program to establish a method of reading / writing virtual memory from a regular win32 program without having to use regular WinAPI Functions. This happens by using a driver to execute the reading / writing of the memory itself from a lower level. This means the user mode program does not have to open any handles to csgo or use ReadProcessMemory or WriteProcessMemory nor any functions that has to deal with process handles. VAC’s defence against external cheats is based on system handle scanning on user level. VAC scans handles in the system (ring3), when it finds a handle which for example points to cs:go, the process that holds that handle will be analysed.This can be avoided by not opening any handles to csgo (OpenProcess()), but it also means we can’t use any WinAPI Functions to Read/Write the memory of the process that we want, so we must go to a lower level. As of now, VAC or valve does not have any drivers which means if we can write & get kernel code running defeating vac is possible.Then a scanning thread is created. This thread repeatedly scans all handles in the system (calls NtQuerySystemInformation with SystemHandleInformation information class) for handles to the process its running from and logs any process holding it into the first section object. VAC uses NtQueryInformationProcess with ProcessImageFileName information class to find the image name of the process, tries to open it with NtCreateFile and uses GetFileInformationByHandle to get the volume serial number and the file identifier (it won't change if you rename or move the file).
2025-03-27Application version. ‘unescape’ is generally used to convert shellcode which is encoded so it can run. ‘unescape’ can use ‘%u’ preceding values which will be converted, and on little-endian systems e.g. x86 these are converted in reverse order. e.g. ‘%u1122’ becomes ‘22 11’ Where this isn’t using unescape it is treated as a single HEX character e.g. ‘%41%42%43’ becomes ‘41 42 43’ Shellcode inside executables can be easy to identify as they look like shellcode, or an obfuscated blob which is leveraged in injection. This is generally found by looking for API calls mentioned in Chapter 12, e.g. VirtualAllocEx, WriteProcessMemory, and CreateRemoteThread. Other methods of injection exist though so these API calls won’t always be present. Initial decoders can be found by searching for some common opcodes and disassembling/analysing them in IDA: Call (0xe8) Unconditional Jumps (0xeb, 0xe9) Loops (0xe0, 0xe1, 0xe2) Short Conditional Jumps (0x70 - 0x7f) Lab 19-1Analyze the file Lab19-01.bin using shellcode_launcher.exe.Question 1How is the shellcode encoded?Answer 1To be able to analyse Lab19-01.bin using shellcode_launcher.exe, we first need to understand how shellcode_launcher.exe can be used. By running it on the command-line we can get an idea of what parameters are required.In the above we can see its basic usage is:shellcode_launcher.exe -i To allow us to debug this shellcode and understand how it is encoded, we will also use the ‘-bp’ parameter to add a breakpoint before execution. For this to work we will first go in and set OllyDbg as our ‘just-in-time’ Debugger using Options > Just-in-time Debugging > Make OllyDbg Just-in-time Debugger.By attempting to run the shellcode and adding a breakpoint we get an error and can go to the debugger. You’ll notice this also tells us where the base of our shellcode has been loaded in memory (in this case 0x001f0100).Examining the debugged code we can see a jump statement which if we follow where it is pointing to, leads us to a large number of ‘INC ECX’ operations.We can gloss over these as they’re essentially just padding (0x41 operations which act as an equivalent to a NOP Slide) and don’t do anything of interest.
2025-04-02