Suspicious Hyper-V Cmdlets

Adversaries may carry out malicious operations using a virtual instance to avoid detection

title: Suspicious Hyper-V Cmdlets
id: 42d36aa1-3240-4db0-8257-e0118dcdd9cd
status: test
description: Adversaries may carry out malicious operations using a virtual instance to avoid detection
references:
    - https://learn.microsoft.com/en-us/virtualization/hyper-v-on-windows/quick-start/enable-hyper-v
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.006/T1564.006.md#atomic-test-3---create-and-start-hyper-v-virtual-machine
author: frack113
date: 2022-04-09
tags:
    - attack.stealth
    - attack.t1564.006
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains:
            - New-VM
            - Set-VMFirmware
            - Start-VM
    condition: selection
falsepositives:
    - Legitimate PowerShell scripts
level: medium
regression_tests_path: regression_data/rules/windows/powershell/powershell_script/posh_ps_susp_hyper_v_condlet/info.yml

• T1564.006Run Virtual Instance

• https://learn.microsoft.com/en-us/virtualization/hyper-v-on-windows/quick-start/enable-hyper-v↗
• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.006/T1564.006.md#atomic-test-3---create-and-start-hyper-v-virtual-machine↗