Suspicious Mount-DiskImage
Adversaries may abuse container files such as disk image (.iso, .vhd) file formats to deliver malicious payloads that may not be tagged with MOTW.
Detection logic
selection
ScriptBlockText|contains|all:
- "Mount-DiskImage "
- "-ImagePath "Condition
selectionRaw YAML
title: Suspicious Mount-DiskImage
id: 29e1c216-6408-489d-8a06-ee9d151ef819
status: test
description: Adversaries may abuse container files such as disk image (.iso, .vhd) file formats to deliver malicious payloads that may not be tagged with MOTW.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.005/T1553.005.md#atomic-test-1---mount-iso-image
- https://learn.microsoft.com/en-us/powershell/module/storage/mount-diskimage?view=windowsserver2022-ps
author: frack113
date: 2022-02-01
tags:
- attack.defense-impairment
- attack.t1553.005
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection:
ScriptBlockText|contains|all:
- 'Mount-DiskImage '
- '-ImagePath '
condition: selection
falsepositives:
- Legitimate PowerShell scripts
level: lowFalse positives
- Legitimate PowerShell scripts