Detection rules › Sigma
Windows traffic capture abuse
Detects scenarios where an attacker use the native Windows sniffer in order to capture sensitive information or credentials.
Known false positives
- Administrator network troubleshooting
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Windows traffic capture abuse
description: Detects scenarios where an attacker use the native Windows sniffer in order to capture sensitive information or credentials.
references:
- https://bakerstreetforensics.com/2022/01/07/quickpcap-capturing-a-pcap-with-powershell/
tags:
- attack.credential_access
- attack.t1040 # Network Sniffing
author: mdecrevoisier
status: experimental
logsource:
product: windows
category: process_creation
detection:
selection:
NewProcessName|endswith: '\netsh.exe'
CommandLine|contains|all: # full command : 'netsh trace start capture=yes IPv4.Address=192.168.1.167 '
- netsh
- start
- capture
condition: selection
falsepositives:
- Administrator network troubleshooting
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
NewProcessName|endswith: '\netsh.exe'
CommandLine|contains|all:
- netsh
- start
- capture
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |
NewProcessName | ends_with |
| field:"Image" kind:ends_with value:"\netsh.exe" |