Sigma Rule Library

Enumeration for 3rd Party Creds From CLI

Detects processes that query known 3rd party registry keys that holds credentials via commandline

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Detection logic

selection

CommandLine|contains:
  - \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

Image|endswith: reg.exe
CommandLine|contains:
  - export
  - save

Condition

selection and not 1 of filter_main_*

Raw YAML

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

False positives

  • Unknown

References

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