Impacket for Pentester: MSSQL Exploitation This walkthrough demonstrates how common Microsoft SQL Server misconfigurations can be chained to achieve full OS-level compromise during penetration tests and red team engagements. Using Impacket's mssqlclient.py, an attacker can authenticate, enumerate databases and logins, escalate to SA via IMPERSONATE or linked servers, enable xp_cmdshell, execute OS commands, and upload files — defenders must harden MSSQL instances to prevent these vectors. #MicrosoftSQLServer #mssqlclient

Misconfigured Microsoft SQL Servers allow attackers to escalate privileges, enable xp_cmdshell, execute OS commands, and upload files using Impacket’s mssqlclient.py during pentests and red team operations. #MSSQLExploitation #RedTeam