MSSQL Extended Stored Procedure Backdoor Maggie

Description

This rule detects the execution of the extended storage procedure backdoor named Maggie in the context of Microsoft SQL server

Query · sigma

selection:
  Provider_Name: MSSQLSERVER
  EventID: 8128
  Message|contains: maggie
condition: selection

Known false positives

  • Legitimate extended stored procedures named maggie
Raw source MSSQL Extended Stored Procedure Backdoor Maggie · Sigma
Esc
Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: MSSQL Extended Stored Procedure Backdoor Maggie
id: 711ab2fe-c9ba-4746-8840-5228a58c3cb8
status: test
description: This rule detects the execution of the extended storage procedure backdoor named Maggie in the context of Microsoft SQL server
references:
    - https://medium.com/@DCSO_CyTec/mssql-meet-maggie-898773df3b01
author: Denis Szadkowski, DIRT / DCSO CyTec
date: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1546
    - detection.emerging-threats
logsource:
    product: windows
    service: application
detection:
    selection:
        Provider_Name: 'MSSQLSERVER'
        EventID: 8128
        Message|contains: 'maggie'
    condition: selection
falsepositives:
    - Legitimate extended stored procedures named maggie
level: high

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.