sigmaDRL-1.1from SigmaHQ/sigma

File Creation In Suspicious Directory By Msdt.EXE

Detects msdt.exe creating files in suspicious directories which could be a sign of exploitation of either Follina or Dogwalk vulnerabilities

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ATT&CK techniques

T1547.001

Rule sourcerules/windows/file/file_event/file_event_win_msdt_susp_directories.yml

title: File Creation In Suspicious Directory By Msdt.EXE
id: 318557a5-150c-4c8d-b70e-a9910e199857
status: test
description: Detects msdt.exe creating files in suspicious directories which could be a sign of exploitation of either Follina or Dogwalk vulnerabilities
references:
    - https://irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd
    - https://msrc-blog.microsoft.com/2022/05/30/guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability/
author: Vadim Varganov, Florian Roth (Nextron Systems)
date: 2022-08-24
modified: 2023-02-23
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1547.001
    - cve.2022-30190
logsource:
    category: file_event
    product: windows
detection:
    selection:
        Image|endswith: '\msdt.exe'
        TargetFilename|contains:
            - '\Desktop\'
            - '\Start Menu\Programs\Startup\'
            - 'C:\PerfLogs\'
            - 'C:\ProgramData\'
            - 'C:\Users\Public\'
    condition: selection
falsepositives:
    - Unknown
level: high