Mssqlproxy – A Toolkit Aimed To Perform Lateral Movement In Restricted Environments Through A Compromised Microsoft SQL Server Via Socket Reuse

Note #1: if using a non-direct connection (e.g. proxies in between), the -no-check-src-port flag is needed, so the server only checks the source address.
Note #2: at the moment, only IPv4 targets are supported (nor DNS neither IPv6 addresses).
Note #3: use carefully! by now the

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