Padocon

int __cdecl sub_80486A1()
{
  void *v0; // ebx@1
  unsigned int v1; // edx@4
  void *v2; // edi@4
  int v3; // edi@8
  char v5; // [sp+1Ch] [bp-14h]@4
 
  v0 = malloc(0xC8u);
  if ( !v0 )
  {
    puts("malloc fail!!!");
    fflush(stdout);
    exit(1);
  }
  printf("input: ");
  fflush(stdout);
  fgets((char *)v0, 200, stdin);
  strcpy(&v5, (const char *)v0);
  v2 = v0;
  v1 = 200;
  if ( (_BYTE)v0 & 1 )
  {
    *(_BYTE *)v0 = 0;
    v2 = (char *)v0 + 1;
    LOBYTE(v1) = -57;
  }
  if ( (_BYTE)v2 & 2 )
  {
    *(_WORD *)v2 = 0;
    v2 = (char *)v2 + 2;

[karma100@localhost ~]$ cat attackme.c
#include <unistd.h>
#include <stdio.h>
 
/* hi, guys! */
/* This is just warm up :) */
 
int main( int argc, char *argv[] )
{
        char buf[1024];
 
        fgets( buf, 1024, stdin );
 
        printf( buf );
 
        return 0;
}

int __cdecl sub_8048771(int a1, int a2)
{
  void *v2; // edx@2
  signed int v3; // ebx@2
  int v4; // ebx@10
  __int16 v5; // ax@13
  signed __int16 v7; // [sp+1Ch] [bp-24h]@13
  __int16 v8; // [sp+1Eh] [bp-22h]@13
  in_addr_t v9; // [sp+20h] [bp-20h]@13
  char v10; // [sp+24h] [bp-1Ch]@13
  char v11; // [sp+2Ch] [bp-14h]@16
 
  if ( a1 != 3 )
  {
    printf("%s [your IP] [Port]\n", *(_DWORD *)a2);
    exit(1);
  }
  v2 = *(void **)environ;
  v3 = 4;
  if ( *(_DWORD *)environ )
  {
    do
    {
      memset(v2, 0, strlen((const char *)v2) - 1);

#include <stdio.h>
#include <string.h>
int main(int argc,char **argv)
{
        char buf[8];
        if(argc != 2)
        {
                printf("%s inputstring\n",argv[0]);
                return 0;
        }
        strcpy(buf,argv[1]);
        memset(buf,0,sizeof(buf));
        sleep(10);
        return 0;
}