Detection rules › Sigma
New Network Trace Capture Started Via Netsh.EXE
Detects the execution of netsh with the "trace" flag in order to start a network capture
Known false positives
- Legitimate administration activity
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | |
| Discovery |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
Rule body
title: New Network Trace Capture Started Via Netsh.EXE
id: d3c3861d-c504-4c77-ba55-224ba82d0118
status: test
description: Detects the execution of netsh with the "trace" flag in order to start a network capture
references:
- https://blogs.msdn.microsoft.com/canberrapfe/2012/03/30/capture-a-network-trace-without-installing-anything-capture-a-network-trace-of-a-reboot/
- https://klausjochem.me/2016/02/03/netsh-the-cyber-attackers-tool-of-choice/
author: Kutepov Anton, oscd.community
date: 2019-10-24
modified: 2023-02-13
tags:
- attack.discovery
- attack.credential-access
- attack.t1040
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\netsh.exe'
- OriginalFileName: 'netsh.exe'
selection_cli:
CommandLine|contains|all:
- 'trace'
- 'start'
condition: all of selection_*
falsepositives:
- Legitimate administration activity
level: medium
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_img
selection_img:
- Image|endswith: '\netsh.exe'
- OriginalFileName: 'netsh.exe'
Stage 2: selection_cli
selection_cli:
CommandLine|contains|all:
- 'trace'
- 'start'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |
Image | ends_with |
| field:"Image" kind:ends_with value:"\netsh.exe" |
OriginalFileName | eq |
| field:"OriginalFileName" kind:eq value:"netsh.exe" |