Renamed Vmnat.exe Execution

calendar Oct 23, 2025 · attack.privilege-escalation attack.persistence attack.defense-evasion attack.t1574.001  ·
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Detects renamed vmnat.exe or portable version that can be used for DLL side-loading

Sigma rule (View on GitHub)

 1title: Renamed Vmnat.exe Execution
 2id: 7b4f794b-590a-4ad4-ba18-7964a2832205
 3status: test
 4description: Detects renamed vmnat.exe or portable version that can be used for DLL side-loading
 5references:
 6    - https://twitter.com/malmoeb/status/1525901219247845376
 7author: elhoim
 8date: 2022-09-09
 9modified: 2023-02-03
10tags:
11    - attack.privilege-escalation
12    - attack.persistence
13    - attack.defense-evasion
14    - attack.t1574.001
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection:
20        OriginalFileName: 'vmnat.exe'
21    filter_rename:
22        Image|endswith: 'vmnat.exe'
23    condition: selection and not 1 of filter_*
24falsepositives:
25    - Unknown
26level: high

References

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