sigmamediumHunting

SMB over QUIC Via Net.EXE

Detects the mounting of Windows SMB shares over QUIC, which can be an unexpected event in some enterprise environments.

MITRE ATT&CK

lateral-movement

Detection Query

selection_img:
  - Image|endswith:
      - \net.exe
      - \net1.exe
  - OriginalFileName:
      - net.exe
      - net1.exe
selection_cli:
  CommandLine|contains: /TRANSPORT:QUIC
condition: all of selection_*

Author

frack113

Created

2023-07-21

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.lateral-movementattack.t1570detection.threat-hunting

Raw Content

title: SMB over QUIC Via Net.EXE
id: 2238d337-42fb-4971-9a68-63570f2aede4
related:
    - id: 6df07c3b-8456-4f8b-87bb-fe31ec964cae
      type: similar
status: test
description: Detects the mounting of Windows SMB shares over QUIC, which can be an unexpected event in some enterprise environments.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/74438b0237d141ee9c99747976447dc884cb1a39/atomics/T1570/T1570.md
    - https://www.trustedsec.com/blog/making-smb-accessible-with-ntlmquic/
author: frack113
date: 2023-07-21
tags:
    - attack.lateral-movement
    - attack.t1570
    - detection.threat-hunting
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith:
              - '\net.exe'
              - '\net1.exe'
        - OriginalFileName:
              - 'net.exe'
              - 'net1.exe'
    selection_cli:
        CommandLine|contains: '/TRANSPORT:QUIC'
    condition: all of selection_*
falsepositives:
    - Administrative activity
level: medium