function getMAC(Num: integer): PChar stdcall; external 'HWInfo.dll';function getCPUInfomation(InfoID: integer): PChar stdcall; xternal 'HWInfo.dll';function getIdeSN: PChar stdcall; external 'HWInfo.dll';function getBiosSN: PChar stdcall; external 'HWInfo.dll';//伪造的 HWInfo.dlllibrary HWInfo;uses Windows;function getMAC(Num: integer): PChar stdcall; external 'HWInfo.dll';begin Result:= '12345678';end;function getCPUInfomation(InfoID: integer): PChar stdcall; xternal 'HWInfo.dll';begin Result:= '12345678';end;function getIdeSN: PChar stdcall; external 'HWInfo.dll';begin Result:= '12345678';end;function getBiosSN: PChar stdcall; external 'HWInfo.dll';begin Result:= '12345678';end;exports getMAC, getCPUInfomation, getIdeSN, getBiosSN;begin //收工end;只要有你其中一个注册号,写一个一样的DLL,强制返回指定的 PCHAR,然后替换你那个DLL,就破解了,基本不需要任何技术。