Huolala Safety Emergency Response Center

Mar 18, 2025 · Information Security

Uncovering MSSQL Attack Chains: Stored Procedures, COM, CLR, Triggers, and Lateral Movement

This article provides a comprehensive technical analysis of MSSQL attack vectors—including vulnerable stored procedures, COM automation, CLR exploitation, sandbox bypass, trigger abuse, proxy jobs, Kerberoasting, and linked servers—detailing prerequisites, step‑by‑step T‑SQL examples, mitigation recommendations, and overall impact on database security.