# [CH] Johnny ###### tags: `Writeup` `Crypto` `Chinese` > [name=FlyDragon] ## Step.1 下載 passwd 跟 shadow 檔案 這兩個檔案和一個 linux 帳號有關 ## Step.2 題目名稱 `Johnny` 提示這題可以使用 John the ripper 工具解題 ```bash $ unshadow passwd shadow > unshadow ``` ``` $ john --format=crypt unshadow ``` 成功取得帳號與密碼 ``` Johnny:passw0rd:1001:1001::/home/Johnny:/bin/sh ``` ## Step.3 ``` $ nc lotuxctf.com 30005 ``` 用取得的帳號密碼登入後即可取得 flag {%hackmd M1bgOPoiQbmM0JRHWaYA1g %}
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