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CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Suspicious Get-Variable.exe Creation
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Get-Variable.exe Creation
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Suspicious Get-Variable.exe Creation
id: 0c3fac91-5627-46e8-a6a8-a0d7b9b8ae1b
status: test
description: |
Get-Variable is a valid PowerShell cmdlet
WindowsApps is by default in the path where PowerShell is executed.
So when the Get-Variable command is issued on PowerShell execution, the system first looks for the Get-Variable executable in the path and executes the malicious binary instead of looking for the PowerShell cmdlet.
references:
- https://blog.malwarebytes.com/threat-intelligence/2022/04/colibri-loader-combines-task-scheduler-and-powershell-in-clever-persistence-technique/
- https://www.joesandbox.com/analysis/465533/0/html
author: frack113
date: 2022-04-23
tags:
- attack.privilege-escalation
- attack.persistence
- attack.t1546
- attack.defense-evasion
- attack.t1027
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename|endswith: 'Local\Microsoft\WindowsApps\Get-Variable.exe'
condition: selection
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/file/file_event/file_event_win_susp_get_variable.yml