Potential Persistence Via Netsh Helper DLL - Registry

calendar Oct 9, 2025 · attack.persistence attack.t1546.007  ·
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Detects changes to the Netsh registry key to add a new DLL value. This change might be an indication of a potential persistence attempt by adding a malicious Netsh helper

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 1title: Potential Persistence Via Netsh Helper DLL - Registry
 2id: c90362e0-2df3-4e61-94fe-b37615814cb1
 3related:
 4    - id: 56321594-9087-49d9-bf10-524fe8479452
 5      type: similar
 6    - id: e7b18879-676e-4a0e-ae18-27039185a8e7
 7      type: similar
 8status: test
 9description: |
10        Detects changes to the Netsh registry key to add a new DLL value. This change might be an indication of a potential persistence attempt by adding a malicious Netsh helper
11references:
12    - https://www.ired.team/offensive-security/persistence/t1128-netsh-helper-dll
13    - https://pentestlab.blog/2019/10/29/persistence-netsh-helper-dll/
14author: Anish Bogati
15date: 2023-11-28
16modified: 2025-10-08
17tags:
18    - attack.persistence
19    - attack.t1546.007
20logsource:
21    category: registry_set
22    product: windows
23detection:
24    selection:
25        TargetObject|contains: '\SOFTWARE\Microsoft\NetSh'
26        Details|contains: '.dll'
27    filter_main_poqexec:
28        Image: 'C:\Windows\System32\poqexec.exe'
29        Details:
30            - 'ipmontr.dll'
31            - 'iasmontr.dll'
32            - 'ippromon.dll'
33    condition: selection and not 1 of filter_main_*
34falsepositives:
35    - Legitimate helper added by different programs and the OS
36level: medium

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