# 6.1.21 pwn HITCONCTF2016 Sleepy_Holder

- [题目复现](#题目复现)
- [题目解析](#题目解析)
- [漏洞利用](#漏洞利用)
- [参考资料](#参考资料)


[下载文件](../src/writeup/6.1.21_pwn_hitconctf2016_sleepy_holder)

## 题目复现
```
$ file SleepyHolder 
SleepyHolder: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.24, BuildID[sha1]=46f0e70abd9460828444d7f0975a8b2f2ddbad46, stripped
$ checksec -f SleepyHolder
RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      FORTIFY Fortified Fortifiable  FILE
Partial RELRO   Canary found      NX enabled    No PIE          No RPATH   No RUNPATH   Yes     0               2       SleepyHolder
$ strings libc.so.6 | grep "GNU C"
GNU C Library (Ubuntu GLIBC 2.23-0ubuntu3) stable release version 2.23, by Roland McGrath et al.
Compiled by GNU CC version 5.3.1 20160413.
```


## 题目解析

## 漏洞利用

## 参考资料
- https://ctftime.org/task/4812
- https://github.com/mehQQ/public_writeup/tree/master/hitcon2016/SleepyHolder