Enumeration for 3rd Party Creds From CLI — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: medium. Source dates: 2022-06-20 / 2025-05-22.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 89b1fe5201771ebda9e0e95561e4d552a67bcd8adf9e92b062ff2373b281afdf

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Enumeration for 3rd Party Creds From CLI
id: 87a476dc-0079-4583-a985-dee7a20a03de
related:
    - id: e0b0c2ab-3d52-46d9-8cb7-049dc775fbd1
      type: derived
    - id: cc1abf27-78a3-4ac5-a51c-f3070b1d8e40
      type: similar
status: test
description: Detects processes that query known 3rd party registry keys that holds credentials via commandline
references:
    - https://isc.sans.edu/diary/More+Data+Exfiltration/25698
    - https://github.com/synacktiv/Radmin3-Password-Cracker/blob/acfc87393e4b7c06353973a14a6c7126a51f36ac/regkey.txt
    - https://github.com/HyperSine/how-does-MobaXterm-encrypt-password
    - https://book.hacktricks.xyz/windows-hardening/windows-local-privilege-escalation#inside-the-registry
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-06-20
modified: 2025-05-22
tags:
    - attack.credential-access
    - attack.t1552.002
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains: # Add more paths as they are discovered
            - '\Software\Aerofox\Foxmail\V3.1'
            - '\Software\Aerofox\FoxmailPreview'
            - '\Software\DownloadManager\Passwords'
            - '\Software\FTPWare\COREFTP\Sites'
            - '\Software\IncrediMail\Identities'
            - '\Software\Martin Prikryl\WinSCP 2\Sessions'
            - '\Software\Mobatek\MobaXterm\'
            - '\Software\OpenSSH\Agent\Keys'
            - '\Software\OpenVPN-GUI\configs'
            - '\Software\ORL\WinVNC3\Password'
            - '\Software\Qualcomm\Eudora\CommandLine'
            - '\Software\RealVNC\WinVNC4'
            - '\Software\RimArts\B2\Settings'
            - '\Software\SimonTatham\PuTTY\Sessions'
            - '\Software\SimonTatham\PuTTY\SshHostKeys\'
            - '\Software\Sota\FFFTP'
            - '\Software\TightVNC\Server'
            - '\Software\WOW6432Node\Radmin\v3.0\Server\Parameters\Radmin'
    filter_main_other_rule:  # matched by cc1abf27-78a3-4ac5-a51c-f3070b1d8e40
        Image|endswith: 'reg.exe'
        CommandLine|contains:
            - 'export'
            - 'save'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://isc.sans.edu/diary/More+Data+Exfiltration/25698
• https://github.com/synacktiv/Radmin3-Password-Cracker/blob/acfc87393e4b7c06353973a14a6c7126a51f36ac/regkey.txt
• https://github.com/HyperSine/how-does-MobaXterm-encrypt-password
• https://book.hacktricks.xyz/windows-hardening/windows-local-privilege-escalation#inside-the-registry