HugeH4rD

babyheap_0ctf_2017

Ubuntu 16

---

0x01

[*] '/home/zelas/Desktop/pwn/babyheap_0ctf_2017/babyheap_0ctf_2017'
    Arch:     amd64-64-little
    RELRO:    Full RELRO
    Stack:    Canary found
    NX:       NX enabled
    PIE:      PIE enabled
   //保护全开                  

IDA

main()

__int64 __fastcall main(__int64 a1, char **a2, char **a3)
{
  __int64 v4; // [rsp+8h] [rbp-8h]

  v4 = sub_B70(a1, a2, a3);
  while ( 1 )
  {
    sub_CF4();
    switch ( sub_138C() )
    {
      case 1LL:
        sub_D48(v4);
        break;
      case 2LL:
        sub_E7F(v4);
        break;
      case 3LL:
        sub_F50(v4);
        break;
      case 4LL:
        sub_1051(v4);
        break;
      case 5LL:
        return 0LL;
      default:
        continue;
    }
  }
}