Sigma Rule Library

Aruba Network Service Potential DLL Sideloading

Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking

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Detection logic

selection

Image|endswith: \arubanetsvc.exe
ImageLoaded|endswith:
  - \wtsapi32.dll
  - \msvcr100.dll
  - \msvcp100.dll
  - \dbghelp.dll
  - \dbgcore.dll
  - \wininet.dll
  - \iphlpapi.dll
  - \version.dll
  - \cryptsp.dll
  - \cryptbase.dll
  - \wldp.dll
  - \profapi.dll
  - \sspicli.dll
  - \winsta.dll
  - \dpapi.dll

filter

ImageLoaded|startswith:
  - C:\Windows\System32\
  - C:\Windows\SysWOW64\
  - C:\Windows\WinSxS\

Condition

selection and not filter

Raw YAML

title: Aruba Network Service Potential DLL Sideloading
id: 90ae0469-0cee-4509-b67f-e5efcef040f7
status: test
description: Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking
references:
    - https://twitter.com/wdormann/status/1616581559892545537?t=XLCBO9BziGzD7Bmbt8oMEQ&s=09
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-01-22
modified: 2023-03-15
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        Image|endswith: '\arubanetsvc.exe'
        ImageLoaded|endswith:
            - '\wtsapi32.dll'
            - '\msvcr100.dll'
            - '\msvcp100.dll'
            - '\dbghelp.dll'
            - '\dbgcore.dll'
            - '\wininet.dll'
            - '\iphlpapi.dll'
            - '\version.dll'
            - '\cryptsp.dll'
            - '\cryptbase.dll'
            - '\wldp.dll'
            - '\profapi.dll'
            - '\sspicli.dll'
            - '\winsta.dll'
            - '\dpapi.dll'
    filter:
        ImageLoaded|startswith:
            - 'C:\Windows\System32\'
            - 'C:\Windows\SysWOW64\'
            - 'C:\Windows\WinSxS\'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high

False positives

  • Unknown

References

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