35 lines
1.2 KiB
YAML
35 lines
1.2 KiB
YAML
title: Powershell Detect Virtualization Environment
|
|
author: frack113
|
|
date: 2021/08/03
|
|
description: Adversaries may employ various system checks to detect and avoid virtualization
|
|
and analysis environments. This may include changing behaviors based on the results
|
|
of checks for the presence of artifacts indicative of a virtual machine environment
|
|
(VME) or sandbox
|
|
detection:
|
|
SELECTION_1:
|
|
ScriptBlockText: '*Get-WmiObject*'
|
|
SELECTION_2:
|
|
ScriptBlockText: '*MSAcpi_ThermalZoneTemperature*'
|
|
SELECTION_3:
|
|
ScriptBlockText: '*Win32_ComputerSystem*'
|
|
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3))
|
|
falsepositives:
|
|
- Unknown
|
|
id: d93129cd-1ee0-479f-bc03-ca6f129882e3
|
|
level: medium
|
|
logsource:
|
|
category: ps_script
|
|
definition: EnableScriptBlockLogging must be set to enable
|
|
product: windows
|
|
modified: 2021/10/16
|
|
references:
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1497.001/T1497.001.md
|
|
- https://techgenix.com/malicious-powershell-scripts-evade-detection/
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1497.001
|
|
yml_filename: powershell_detect_vm_env.yml
|
|
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_script
|
|
|