Sigma rule: Harvesting Of Wifi Credentials Via Netsh.EXE

Rule

Title

Harvesting Of Wifi Credentials Via Netsh.EXE

Status

test

Level

medium

Author

Andreas Hunkeler (@Karneades), oscd.community

Date

2020-04-20

Modified

2023-02-13

File

rules/windows/process_creation/proc_creation_win_netsh_wifi_credential_harvesting.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detect the harvesting of wifi credentials using netsh.exe

Log source

product

windows

category

process_creation

Detection

selection_img:
    - Image|endswith: '\netsh.exe'
    - OriginalFileName: 'netsh.exe'
selection_cli:
    CommandLine|contains|all:
        - 'wlan'
        - ' s'
        - ' p'
        - ' k'
        - '=clear'
condition: all of selection_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.discovery
• attack.credential-access
• attack.t1040

MITRE ATT&CK ids this rule names

• T1040

References

• https://blog.malwarebytes.com/threat-analysis/2020/04/new-agenttesla-variant-steals-wifi-credentials/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_netsh_wifi_credential_harvesting.yml