{"id":"c90362e0-2df3-4e61-94fe-b37615814cb1","title":"Potential Persistence Via Netsh Helper DLL - Registry","description":"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\n","author":"Anish Bogati","status":"test","level":"medium","date":"2023-11-28","modified":"2025-10-08","tags":["attack.privilege-escalation","attack.persistence","attack.t1546.007"],"technique_ids":["T1546.007"],"logsource":{"category":"registry_set","product":"windows"},"falsepositives":["Legitimate helper added by different programs and the OS"],"references":["https://www.ired.team/offensive-security/persistence/t1128-netsh-helper-dll","https://pentestlab.blog/2019/10/29/persistence-netsh-helper-dll/"],"source_path":"rules/windows/registry/registry_set/registry_set_netsh_helper_dll_potential_persistence.yml","source_sha256":"dd2807303c62897f3ce1b9914bbba7dadedb798682736858daf110acea106a11","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/registry/registry_set/registry_set_netsh_helper_dll_potential_persistence.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential Persistence Via Netsh Helper DLL - Registry\nid: c90362e0-2df3-4e61-94fe-b37615814cb1\nrelated:\n    - id: 56321594-9087-49d9-bf10-524fe8479452\n      type: similar\n    - id: e7b18879-676e-4a0e-ae18-27039185a8e7\n      type: similar\nstatus: test\ndescription: |\n    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\nreferences:\n    - https://www.ired.team/offensive-security/persistence/t1128-netsh-helper-dll\n    - https://pentestlab.blog/2019/10/29/persistence-netsh-helper-dll/\nauthor: Anish Bogati\ndate: 2023-11-28\nmodified: 2025-10-08\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.t1546.007\nlogsource:\n    category: registry_set\n    product: windows\ndetection:\n    selection:\n        TargetObject|contains: '\\SOFTWARE\\Microsoft\\NetSh'\n        Details|contains: '.dll'\n    filter_main_poqexec:\n        Image: 'C:\\Windows\\System32\\poqexec.exe'\n        Details:\n            - 'ipmontr.dll'\n            - 'iasmontr.dll'\n            - 'ippromon.dll'\n    condition: selection and not 1 of filter_main_*\nfalsepositives:\n    - Legitimate helper added by different programs and the OS\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1546.007","id":"T1546.007","name":"Netsh Helper DLL","page":"techniques/enterprise/T1546.007/"}],"data_path":"data/detection-rules/c90362e0-2df3-4e61-94fe-b37615814cb1.json","kind":"sigma"}