Suspicious PowerShell Script With File Hostname Resolving Capabilities (via ps_script)

title: Suspicious PowerShell Script With File Hostname Resolving Capabilities (via ps_script)
id: c4bea436-9317-56d4-b517-359115e5114b
status: stable
description: This rule detects PowerShell scripts that have capabilities to read files, loop through them and resolve DNS host entries.
references:
    - https://attack.mitre.org/techniques/T1020/
    - https://www.fortypoundhead.com/showcontent.asp?artid=24022
    - https://labs.withsecure.com/publications/fin7-target-veeam-servers
author: Huntrule Team
date: 2026-01-16
tags:
    - attack.exfiltration
    - attack.t1020
logsource:
    product: windows
    category: ps_script
    definition: bade5735-5ab0-4aa7-a642-a11be0e40872
detection:
    selection:
        ScriptBlockText|contains|all:
            - 'Get-content '
            - 'foreach'
            - '[System.Net.Dns]::GetHostEntry'
            - 'Out-File'
    condition: selection
falsepositives:
    - Unknown
level: medium