Suspicious SQL Query (via database)

This rule detects anomalous SQL query keywrods that are frequently used during recon, exfiltration or destructive activities. Such as dropping tables and selecting wildcard fields

Sigmamediumv1
sigma
title: Suspicious SQL Query (via database)
id: 7edfb8b6-4687-56e9-b51d-e030b8b55298
status: stable
description: This rule detects anomalous SQL query keywrods that are frequently used during recon, exfiltration or destructive activities. Such as dropping tables and selecting wildcard fields
author: 'Huntrule Team'
date: 2026-07-21
references:
    - https://attack.mitre.org/techniques/T1505/001/
    - https://attack.mitre.org/techniques/T1190/
    - https://github.com/sqlmapproject/sqlmap
tags:
    - attack.exfiltration
    - attack.initial-access
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1190
    - attack.t1505.001
logsource:
    category: database
    definition: 'Requirements: Must be able to log the SQL queries'
detection:
    keywords:
        - 'drop'
        - 'truncate'
        - 'dump'
        - 'select \*'
    condition: keywords
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

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