Suspicious Files in Default GPO Folder

testmedium
log source: windows · file_eventauthor elhoimdate 2022-04-28
01

description

What this is, in brief.

Detects the creation of copy of suspicious files (EXE/DLL) to the default GPO storage folder

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tags

attack.stealthattack.t1036.005
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rule source (YAML)

title: Suspicious Files in Default GPO Folder
id: 5f87308a-0a5b-4623-ae15-d8fa1809bc60
status: test
description: Detects the creation of copy of suspicious files (EXE/DLL) to the default GPO storage folder
references:
    - https://redcanary.com/blog/intelligence-insights-november-2021/
author: elhoim
date: 2022-04-28
tags:
    - attack.stealth
    - attack.t1036.005
logsource:
    product: windows
    category: file_event
detection:
    selection:
        TargetFilename|contains: '\Policies\{31B2F340-016D-11D2-945F-00C04FB984F9}\'
        TargetFilename|endswith:
            - '.dll'
            - '.exe'
    condition: selection
falsepositives:
    - Unknown
level: medium
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detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.