Detection rules › Sigma
Harvesting Of Wifi Credentials Via Netsh.EXE
Detect the harvesting of wifi credentials using netsh.exe
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | |
| Discovery |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
Rule body
title: Harvesting Of Wifi Credentials Via Netsh.EXE
id: 42b1a5b8-353f-4f10-b256-39de4467faff
status: test
description: Detect the harvesting of wifi credentials using netsh.exe
references:
- https://blog.malwarebytes.com/threat-analysis/2020/04/new-agenttesla-variant-steals-wifi-credentials/
author: Andreas Hunkeler (@Karneades), oscd.community
date: 2020-04-20
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:
- 'wlan'
- ' s'
- ' p'
- ' k'
- '=clear'
condition: all of selection_*
falsepositives:
- Unknown
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:
- 'wlan'
- ' s'
- ' p'
- ' k'
- '=clear'
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" |