{"id":"bf9808c4-d24f-44a2-8398-b65227d406b6","title":"Potential Libvlc.DLL Sideloading","description":"Detects potential DLL sideloading of \"libvlc.dll\", a DLL that is legitimately used by \"VLC.exe\"","author":"X__Junior","status":"test","level":"medium","date":"2023-04-17","modified":"","tags":["attack.persistence","attack.privilege-escalation","attack.execution","attack.stealth","attack.t1574.001"],"technique_ids":["T1574.001"],"logsource":{"category":"image_load","product":"windows"},"falsepositives":["False positives are expected if VLC is installed in non-default locations"],"references":["https://www.trendmicro.com/en_us/research/23/c/earth-preta-updated-stealthy-strategies.html","https://hijacklibs.net/entries/3rd_party/vlc/libvlc.html"],"source_path":"rules/windows/image_load/image_load_side_load_libvlc.yml","source_sha256":"3561ba1d89b8d51e390147070657c48195d85e5ccafa5f422920ea89d823a69b","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_side_load_libvlc.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 Libvlc.DLL Sideloading\nid: bf9808c4-d24f-44a2-8398-b65227d406b6\nstatus: test\ndescription: Detects potential DLL sideloading of \"libvlc.dll\", a DLL that is legitimately used by \"VLC.exe\"\nreferences:\n    - https://www.trendmicro.com/en_us/research/23/c/earth-preta-updated-stealthy-strategies.html\n    - https://hijacklibs.net/entries/3rd_party/vlc/libvlc.html\nauthor: X__Junior\ndate: 2023-04-17\ntags:\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.stealth\n    - attack.t1574.001\nlogsource:\n    category: image_load\n    product: windows\ndetection:\n    selection:\n        ImageLoaded|endswith: '\\libvlc.dll'\n    filter_main_vlc:\n        ImageLoaded|startswith:\n            - 'C:\\Program Files (x86)\\VideoLAN\\VLC\\'\n            - 'C:\\Program Files\\VideoLAN\\VLC\\'\n    condition: selection and not 1 of filter_main_*\nfalsepositives:\n    - False positives are expected if VLC is installed in non-default locations\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1574.001","id":"T1574.001","name":"DLL","page":"techniques/enterprise/T1574.001/"}],"data_path":"data/detection-rules/bf9808c4-d24f-44a2-8398-b65227d406b6.json","kind":"sigma"}