LGram16
dd97ddec92
Move git root from Client/ to src/ to track all source code: - Client: Game client source (moved to Client/Client/) - Server: Game server source - GameTools: Development tools - CryptoSource: Encryption utilities - database: Database scripts - Script: Game scripts - rylCoder_16.02.2008_src: Legacy coder tools - GMFont, Game: Additional resources 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
131 lines
3.5 KiB
C++
131 lines
3.5 KiB
C++
#ifndef _ANTIHACK_H_
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#define _ANTIHACK_H_
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#define MAX_HACKCOUNT 5
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#define HACK0 0
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#define HACK1 0
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#define HACK2 0
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#define XCHG( dwAddress ) (((DWORD) dwAddress) << 16) | (((DWORD) dwAddress) >> 16)
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#pragma comment( lib, "version" )
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#define DECLARE_ANTIHACK() CAntiHack g_AntiHack
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#define USE_ANTIHACK1() g_AntiHack.AntiDebug1();
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#define USE_ANTIHACK2(Func) g_AntiHack.AntiDebug2( XCHG( Func ) );
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#define USE_ANTIHACK3(Inst) g_AntiHack.AntiDebug3( Inst );
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class CAntiHack
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{
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private:
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char m_szTmp[ MAX_PATH ];
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BOOL (WINAPI *pCall)( HINSTANCE hInstance );
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BOOL m_bAntiHack[ MAX_HACKCOUNT ];
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BOOL m_bWinNT;
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public:
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CAntiHack()
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{
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for( int i=0; i < MAX_HACKCOUNT; i++ )
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m_bAntiHack[ i ] = TRUE;
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OSVERSIONINFOEX osv;
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osv.dwOSVersionInfoSize = sizeof( osv );
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GetVersionEx( (LPOSVERSIONINFO) &osv );
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m_bWinNT = (bool) ( osv.dwPlatformId == VER_PLATFORM_WIN32_NT );
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HMODULE hKernel;
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if( NULL == (hKernel = LoadLibrary( DecryptText( "KDPKAG-+&;BA" ))) ) // LoadLibrary( "KERNEL32.DLL" );
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return;
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BOOL (WINAPI *pIsDebuggerPresent)( void );
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pIsDebuggerPresent = GetProcAddress( (HMODULE) hKernel, DecryptText( "IrBb^pa`]iFgYfW_d" ) ); // GetProcAddress( "IsDebuggerPresent" );
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m_bAntiHack[HACK0] = pIsDebuggerPresent();
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FreeLibrary( hKernel );
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}
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~CAntiHack()
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{
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}
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void AntiDebug1( void )
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{
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#if USE_ANTIHACK == 1
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if( m_bAntiHack[HACK1] ) {
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MessageBox( NULL, "Please turn your Debugger off!", "ERROR", MB_OK );
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ExitProcess( 0 );
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}
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m_bAntiHack[ HACK1 ] = (CreateFileA( "\\[,YOD=>", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 ) != INVALID_HANDLE_VALUE ); // \\.\SICE
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m_bAntiHack[ HACK2 ] = (CreateFileA( "\\[,YJOC<=", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 ) != INVALID_HANDLE_VALUE ); // \\.\NTICE
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#endif
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}
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void AntiDebug2( DWORD dwAddress )
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{
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#if USE_ANTIHACK == 1
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if( m_bAntiHack[ HACK2 ] || m_bAntiHack[ HACK1 ] ) {
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WinExit( EWX_SHUTDOWN | EWX_FORCE );
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}
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#endif
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pCall = (BOOL (WINAPI *)( HINSTANCE )) (XCHG( dwAddress ));
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}
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BOOL AntiDebug3( HINSTANCE hInstance )
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{
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return pCall( hInstance );
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}
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protected:
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char *DecryptText( char *lpData )
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{
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strcpy( m_szTmp, lpData );
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Decrypt( (unsigned char *) m_szTmp, (DWORD) strlen( m_szTmp ) );
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return m_szTmp;
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}
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bool Encrypt( unsigned char *lpData, DWORD dwLength )
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{
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for( int i=0; i < (int) dwLength; i++ )
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*(lpData + i) -= i;
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return true;
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}
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bool Decrypt( unsigned char *lpData, DWORD dwLength )
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{
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for( int i=0; i < (int) dwLength; i++ )
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*(lpData + i) += i;
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return true;
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}
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BOOL SetPrivilege( unsigned char *name, BOOL bEnable )
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{
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BOOL bResult = FALSE;
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HANDLE hToken;
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DWORD dwRetLen;
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TOKEN_PRIVILEGES tpToken, tpPrev;
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OpenProcessToken( GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken );
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tpToken.PrivilegeCount = 1;
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if( LookupPrivilegeValue( NULL, (LPCSTR) name, &(tpToken.Privileges[0].Luid) ) == TRUE ) {
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if( bEnable )
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tpToken.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
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else
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tpToken.Privileges[0].Attributes = 0;
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dwRetLen = 0;
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bResult = AdjustTokenPrivileges( hToken, FALSE, &tpToken, sizeof( tpPrev ), &tpPrev, &dwRetLen );
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}
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CloseHandle( hToken );
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return bResult;
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}
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bool WinExit( DWORD dwFlags )
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{
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if( SetPrivilege( (unsigned char *) "SeShutdownPrivilege", TRUE ) ) {
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ExitWindowsEx( dwFlags, 0 );
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SetPrivilege( (unsigned char *) "SeShutdownPrivilege", FALSE );
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}
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return true;
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}
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};
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#endif
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