Malicious SQL Server Command Execution Spawning Download Utilities via Process Creation

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-17
Updated
2026-09-17

ATT&CK techniques

Execution → Persistence
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Priv Esc

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the SQL Server service process spawning download capable utilities such as certutil bitsadmin powershell or cmd which in the REF0657 financial services intrusion followed xp_cmdshell abuse to pull tooling onto a compromised database server. The database engine launching these binaries indicates command execution through SQL and should not occur in normal operation.

Related detections9 linkedT1059.001 — drag to rearrange
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Suspicious PowerShell Download Cradle Spawned from Explorer via ClickFix Lure (via process_creation)
Malicious Interlock RAT FileFix Download-Cradle via PowerShell WebClient with PowerShell User-Agent (via ps_script)
Malicious SQL Server Command Execution Spawning Download Utilities via Process Creation
Pivot detection · T1059.001 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.