/*
Name: insaneicar.c
Author: nilp0inter 
Site: http://www.rusoblanco.com
Description: Antivirus stress tool. Try to write a lot of EICAR Standard Anti-Virus Test Files into subdirs.
*/

#include <stdio.h>
#include <unistd.h>
#include <string.h>

#include <dirent.h>
#include <errno.h>

#ifdef _WIN32
#define md(filename) ( mkdir(filename) )
#else
#define md(filename) ( mkdir(filename, 0777) )
#endif

int main()
{
	FILE *file;
	unsigned int file_index = 0;
	unsigned int dir_index  = 0;
	char path[BUFSIZ + 1];
	char o_path[BUFSIZ + 1];
	char dirname[6];
	char filename[BUFSIZ + 1];

	printf("insaneicar v0.1 :: www.rusoblanco.com\n");
	if (getcwd(path, sizeof(path)) == NULL)
	{
		printf("Error cwd");
		return -1;
	}	
	strcpy(o_path, path);

	for (dir_index = 0; dir_index < 65536; dir_index++)
	{
		strcpy(path, o_path);
		sprintf(dirname, "%05u", dir_index);
		if ( md(strcat(strcat(path, "/"), dirname)) == 0 )
			chdir(path);
		else
			continue;

		printf(" [+] Creating files in: %s\n", path);	
		for (file_index = 0; file_index < 65536; file_index++)
		{
			sprintf(filename, "%s/%05u.com", path, file_index);
			file = fopen(filename, "w");
			if (file == NULL)
			{
				printf(" [-] Error writing %s\n", filename);
				continue;
			}
			fprintf(file, "X5O!P%%@AP[4\\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*");
			fclose(file);
		}
	}	
}