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Lines changed: 886 additions & 0 deletions

‎Utils/Utils.cpp‎

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#include "Utils.h"
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#pragma comment (lib, "ntdll.lib")
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#define CONSOLE_COLOR_GREEN 0xA
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#define CONSOLE_COLOR_YELLOW 0xE
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#define CONSOLE_COLOR_RED 0xC
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#define CONSOLE_COLOR_WHITE 0x7
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HANDLE hConsole = NULL;
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CHAR ErrorMsg[MAX_PATH] = { 0 };
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BOOL printf_success(LPCSTR _Format, ...)
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{
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if (!hConsole) hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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va_list ArgList = NULL;
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va_start(ArgList, _Format);
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SetConsoleTextAttribute(hConsole, CONSOLE_COLOR_GREEN);
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printf("[+] ");
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vprintf(_Format, ArgList);
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SetConsoleTextAttribute(hConsole, CONSOLE_COLOR_WHITE);
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va_end(ArgList);
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return TRUE;
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};
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BOOL printf_info(LPCSTR _Format, ...)
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{
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if (!hConsole) hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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va_list ArgList = NULL;
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va_start(ArgList, _Format);
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SetConsoleTextAttribute(hConsole, CONSOLE_COLOR_YELLOW);
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printf("[!] ");
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vprintf(_Format, ArgList);
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SetConsoleTextAttribute(hConsole, CONSOLE_COLOR_WHITE);
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va_end(ArgList);
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return TRUE;
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};
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BOOL printf_error(LPCSTR _Format, ...)
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{
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if (!hConsole) hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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va_list ArgList = NULL;
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va_start(ArgList, _Format);
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SetConsoleTextAttribute(hConsole, CONSOLE_COLOR_RED);
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printf("[-] ");
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vprintf(_Format, ArgList);
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SetConsoleTextAttribute(hConsole, CONSOLE_COLOR_WHITE);
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va_end(ArgList);
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return TRUE;
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};
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LPCSTR GetLastErrorFormat(ULONG dwErrorCode)
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{
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if (dwErrorCode == -1) dwErrorCode = GetLastError();
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if (!FormatMessageA(
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FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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dwErrorCode,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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ErrorMsg,
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sizeof(ErrorMsg),
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NULL))
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{
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printf_error("Error at getting the last error format of code 0x%lx\n", dwErrorCode);
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sprintf_s(ErrorMsg, "0x%lx", dwErrorCode);
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};
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return ErrorMsg;
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};
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LPCSTR GetNtStatusFormat(NTSTATUS ntCode)
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{
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ULONG dwErrorCode = RtlNtStatusToDosError(ntCode);
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if (dwErrorCode == ERROR_MR_MID_NOT_FOUND)
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{
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printf_error("Error at getting the error code of ntstatus 0x%lx\n", ntCode);
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sprintf_s(ErrorMsg, "0x%lx", dwErrorCode);
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return ErrorMsg;
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};
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return GetLastErrorFormat(dwErrorCode);
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};
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BOOL ReportBadPE(LPCSTR lpErrorStr)
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{
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printf_error("Invalid or unsupported PE file, %s\n", lpErrorStr);
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return TRUE;
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};
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BOOL ReportApiError(LPCSTR szApiName, LPCSTR szMsg)
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{
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printf_error("Error at %s, %s, error code/msg = %s\n", szApiName, szMsg, GetLastErrorFormat(GetLastError()));
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return TRUE;
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};
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BOOL ReportNtStastus(LPCSTR szApiName, NTSTATUS NtCode, LPCSTR szMsg)
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{
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printf_error("Error at %s, %s, status code/msg = %s\n", szApiName, szMsg, GetNtStatusFormat(NtCode));
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return TRUE;
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};

‎Utils/Utils.h‎

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#include <windows.h>
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#include <winternl.h>
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#include <stdio.h>
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#ifdef __GNUC__
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#define offsetof(type, member) __builtin_offsetof (type, member)
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#endif
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#define GET_DIRECTORY_ENTRY(lpNtHeader, dwEntry) lpNtHeader->OptionalHeader.DataDirectory[dwEntry].VirtualAddress
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#define GET_DIRECTORY_SIZE(lpNtHeader, dwEntry) lpNtHeader->OptionalHeader.DataDirectory[dwEntry].Size
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LPCSTR GetNtStatusFormat(NTSTATUS ntCode);
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LPCSTR GetLastErrorFormat(ULONG dwErrorCode = -1);
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BOOL printf_error(LPCSTR _Format, ...);
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BOOL printf_info(LPCSTR _Format, ...);
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BOOL printf_success(LPCSTR _Format, ...);
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BOOL ReportBadPE(LPCSTR lpErrorStr);
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BOOL ReportApiError(LPCSTR szApiName, LPCSTR szMsg);
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BOOL ReportNtStastus(LPCSTR szApiName, NTSTATUS NtCode, LPCSTR szMsg);

‎bins/pe_to_shellcode32.exe‎

11 KB
Binary file not shown.

‎bins/pe_to_shellcode64.exe‎

13 KB
Binary file not shown.

‎pe_to_shellcode_injector.cpp‎

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#include "Utils/Utils.h"
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INT main(INT argc, CHAR** argv) {
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if (argc > 3)
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{
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LPCSTR szPeFile = argv[1];
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LPCSTR szStubFile = argv[2];
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DWORD dwPid = atoi(argv[3]);
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HANDLE hStubFile = NULL;
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if (!(hStubFile = CreateFileA(
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szStubFile,
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GENERIC_READ,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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)) || INVALID_HANDLE_VALUE == hStubFile)
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{
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ReportApiError("CreateFileA", "cannot open the supplied stub file");
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return FALSE;
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};
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HANDLE hExeFile = NULL;
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if (!(hExeFile = CreateFileA(
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szPeFile,
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GENERIC_READ,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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)) || INVALID_HANDLE_VALUE == hExeFile)
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{
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ReportApiError("CreateFileA", "cannot open the supplied exe file");
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return FALSE;
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};
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LARGE_INTEGER u32StubSize;
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if (!GetFileSizeEx(
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hStubFile,
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&u32StubSize
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))
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{
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ReportApiError("GetFileSizeEx", "cannot get the size of the supplied stub file");
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return FALSE;
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};
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LARGE_INTEGER u32ExeSize;
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if (!GetFileSizeEx(
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hExeFile,
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&u32ExeSize
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))
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{
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ReportApiError("GetFileSizeEx", "cannot get the size of the supplied exe file");
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return FALSE;
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};
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LPVOID lpShellcode = NULL;
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if (!(lpShellcode = VirtualAlloc(
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NULL,
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(SIZE_T)(u32StubSize.QuadPart + u32ExeSize.QuadPart),
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(MEM_COMMIT | MEM_RESERVE),
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PAGE_READWRITE
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)))
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{
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ReportApiError("VirtualAlloc", "cannot allocate memory for the shellcode");
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return FALSE;
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};
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DWORD dwReadBytes = 0;
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if (!ReadFile(
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hStubFile,
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lpShellcode,
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(DWORD)u32StubSize.QuadPart,
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&dwReadBytes,
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NULL
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) || dwReadBytes != u32StubSize.QuadPart)
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{
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ReportApiError("ReadFile", "cannot read the stub file");
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return FALSE;
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};
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if (!ReadFile(
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hExeFile,
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#if defined(_M_X64) || defined(__amd64__)
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(LPVOID)((ULONGLONG)lpShellcode + dwReadBytes),
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#else
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(LPVOID)((ULONGLONG)lpShellcode + dwReadBytes),
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#endif
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(DWORD)u32ExeSize.QuadPart,
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&dwReadBytes,
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NULL
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) || dwReadBytes != u32ExeSize.QuadPart)
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{
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ReportApiError("ReadFile", "cannot read the exe file");
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return FALSE;
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};
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HANDLE hProcess = NULL;
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if (!(hProcess = OpenProcess(
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PROCESS_ALL_ACCESS,
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FALSE,
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dwPid
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)))
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{
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ReportApiError("OpenProcess", "cannot open the target pid");
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return FALSE;
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};
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LPVOID lpAllocatedBase = NULL;
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if (!(lpAllocatedBase = VirtualAllocEx(
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hProcess,
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NULL,
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(SIZE_T)(u32StubSize.QuadPart + u32ExeSize.QuadPart),
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(MEM_COMMIT | MEM_RESERVE),
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PAGE_EXECUTE_READWRITE
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)))
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{
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ReportApiError("VirtualAllocEx", "cannot allocate at the remote process for the shellcode");
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return FALSE;
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};
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SIZE_T stWrittenBytes = 0;
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if (!WriteProcessMemory(
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hProcess,
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lpAllocatedBase,
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lpShellcode,
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(SIZE_T)(u32StubSize.QuadPart + u32ExeSize.QuadPart),
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&stWrittenBytes
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) || stWrittenBytes != u32StubSize.QuadPart + u32ExeSize.QuadPart)
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{
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ReportApiError("WriteProcessMemory", "cannot write at the remote process");
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return FALSE;
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};
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if (!CreateRemoteThread(
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hProcess,
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NULL,
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0,
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(LPTHREAD_START_ROUTINE)lpAllocatedBase,
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NULL,
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0,
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NULL
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))
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{
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ReportApiError("CreateRemoteThread", "cannot create a new thread at the remote process");
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return FALSE;
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};
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CloseHandle(hProcess);
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}
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else
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{
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printf("%s [exe] [stub] [pid]\n", argv[0]);
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}
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return TRUE;
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}

‎stub/make.bat‎

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nasm -o stub_X32.bin -f bin stub_x32.asm
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nasm -o stub_X64.bin -f bin stub_x64.asm

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