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Newest: 1.3.3

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Active Rule

Detection of PowerShell Execution via Sqlps.exe

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Backend

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Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

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Conversion Output

Detection of PowerShell Execution via Sqlps.exe

Using Splunk · Default · pySigma 1.3.3

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion1.3.3

title: Detection of PowerShell Execution via Sqlps.exe
id: 0152550d-3a26-4efd-9f0e-54a0b28ae2f3
status: test
description: |
  This rule detects execution of a PowerShell code through the sqlps.exe utility, which is included in the standard set of utilities supplied with the MSSQL Server.
  Script blocks are not logged in this case, so this utility helps to bypass protection mechanisms based on the analysis of these logs.
references:
    - https://learn.microsoft.com/en-us/sql/tools/sqlps-utility?view=sql-server-ver15
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/Sqlps/
    - https://twitter.com/bryon_/status/975835709587075072
author: 'Agro (@agro_sev) oscd.community'
date: 2020-10-10
modified: 2022-12-09
tags:
    - attack.execution
    - attack.t1059.001
    - attack.defense-evasion
    - attack.t1127
logsource:
    category: process_creation
    product: windows
detection:
    selection_parent:
        ParentImage|endswith: '\sqlps.exe'
    selection_image:
        - Image|endswith: '\sqlps.exe'
        - OriginalFileName: 'sqlps.exe'
    filter_image:
        ParentImage|endswith: '\sqlagent.exe'
    condition: selection_parent or (selection_image and not filter_image)
falsepositives:
    - Direct PS command execution through SQLPS.exe is uncommon, childprocess sqlps.exe spawned by sqlagent.exe is a legitimate action.
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_mssql_sqlps_susp_execution.yml