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

Sigma rule (View on GitHub)

 1title: Aruba Network Service Potential DLL Sideloading
 2id: 90ae0469-0cee-4509-b67f-e5efcef040f7
 3status: test
 4description: Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking
 5references:
 6    - https://twitter.com/wdormann/status/1616581559892545537?t=XLCBO9BziGzD7Bmbt8oMEQ&s=09
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2023-01-22
 9modified: 2023-03-15
10tags:
11    - attack.privilege-escalation
12    - attack.persistence
13    - attack.execution
14    - attack.stealth
15    - attack.t1574.001
16logsource:
17    category: image_load
18    product: windows
19detection:
20    selection:
21        Image|endswith: '\arubanetsvc.exe'
22        ImageLoaded|endswith:
23            - '\wtsapi32.dll'
24            - '\msvcr100.dll'
25            - '\msvcp100.dll'
26            - '\dbghelp.dll'
27            - '\dbgcore.dll'
28            - '\wininet.dll'
29            - '\iphlpapi.dll'
30            - '\version.dll'
31            - '\cryptsp.dll'
32            - '\cryptbase.dll'
33            - '\wldp.dll'
34            - '\profapi.dll'
35            - '\sspicli.dll'
36            - '\winsta.dll'
37            - '\dpapi.dll'
38    filter:
39        ImageLoaded|startswith:
40            - 'C:\Windows\System32\'
41            - 'C:\Windows\SysWOW64\'
42            - 'C:\Windows\WinSxS\'
43    condition: selection and not filter
44falsepositives:
45    - Unknown
46level: high

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