Notes

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#ifdef _WIN32
#include <windows.h>
#else
#include <sys/types.h>
#include <sys/mman.h>
#include <unistd.h>
#endif

int main() {
// Set the target process ID directly
int target_process_id = 1234; // Replace with the actual process ID

// Open the process with required permissions
#ifdef _WIN32
HANDLE process_handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, target_process_id);
#else
void* process_handle = NULL; // Placeholder for non-Windows platforms
#endif

if (process_handle != NULL) {
// Allocate memory in the target process
#ifdef _WIN32
LPVOID mapped_memory = VirtualAllocEx(process_handle, NULL, sizeof(uint8_t), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
#else
void* mapped_memory = mmap(NULL, sizeof(uint8_t), PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
#endif

if (mapped_memory != NULL) {
// Write the new value (0 in this case) to the specified memory address
uint8_t value_to_write = 0;
#ifdef _WIN32
WriteProcessMemory(process_handle, mapped_memory, &value_to_write, sizeof(uint8_t), NULL);
#else
memcpy(mapped_memory, &value_to_write, sizeof(uint8_t));
#endif

// Release the allocated memory
#ifdef _WIN32
VirtualFreeEx(process_handle, mapped_memory, 0, MEM_RELEASE);
#else
munmap(mapped_memory, sizeof(uint8_t));
#endif
} else {
printf("Failed to allocate memory in the target process.n");
}

// Close the process handle
#ifdef _WIN32
CloseHandle(process_handle);
#endif
} else {
printf("Failed to open process with ID %dn", target_process_id);
}

return 0;
}




gcc -o your_executable_name your_c_file.c