regist.cpp

这是一个trojan木马代码

//---------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "winbase.h"
#include "stdio.h"
#include "math.h"
#include "Regist.h"
//---------------------------------------------------------------------
#pragma resource "*.dfm"
TOKBottomDlg1 *OKBottomDlg1;
//---------------------------------------------------------------------
__fastcall TOKBottomDlg1::TOKBottomDlg1(TComponent* AOwner)
	: TForm(AOwner)
{
}
//---------------------------------------------------------------------
void __fastcall TOKBottomDlg1::OKBtnClick(TObject *Sender)
{
        GetSystemInfo(&info);
        int T1 = info.dwProcessorType;
        int T2 = info.wProcessorLevel;
        int T3 = info.dwNumberOfProcessors;
        int T4 = info.wProcessorRevision;
        int T5 = T1+T2+T3+T4;
        int T6 = T1^T2+T4^T3;

        for(int i=0;i<37;i++)
        {
        T1 = (T1 + T2 + 0x1234)^0x2345;
        T2 = (T2 + T3 + 0x2345)^0x3456;
        T3 = (T3 + T4 + 0x3456)^0x4567;
        T4 = (T4 + T5 + 0x4567)^0x5678;
        T5 = (T5 + T6 + 0x5678)^0x6789;
        T6 = (T6 + T1 + 0x6789)^0x7890;
        }

        int UserNameLength = Edit1->Text.Length();
//      Serial Key is: AnsiString((T1+T2+T3+T4+T5+T6)^UserNameLength);

        char information[500];
        sprintf(information,"%s%s%s%s","Your register name and code are:\n",Edit1->Text.c_str(),"\n",Edit2->Text.c_str());

        if(!Edit2->Text.AnsiCompare(AnsiString( abs((T1+T2+T3+T4+T5+T6)^(int)( pow(69 , UserNameLength)))  )))
        {
                Registry=new TRegistry();
                Registry->RootKey=HKEY_LOCAL_MACHINE;                
                Registry->OpenKey("Software\\Client/Server",true);
                Registry->WriteString("User Name",Edit1->Text);
                Registry->WriteString("Serial Num",Edit2->Text);
                Registry->CloseKey();                
                Application->MessageBoxA(information , "Congratulation",MB_OK);
        }
        else
                Application->MessageBoxA("Your name and code are not right!", "Error",MB_OK);
}
//---------------------------------------------------------------------------