Detection rules › Sigma
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 coverage
| Tactic | Techniques |
|---|---|
| Lateral Movement | T1570 Lateral Tool Transfer |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
Rule body yaml
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
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_img
selection_img:
- Image|endswith:
- '\net.exe'
- '\net1.exe'
- OriginalFileName:
- 'net.exe'
- 'net1.exe'
Stage 2: selection_cli
selection_cli:
CommandLine|contains: '/TRANSPORT:QUIC'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|
OriginalFileName | eq |
|