{"id":"f7375e28-5c14-432f-b8d1-1db26c832df3","title":"Potential Arbitrary DLL Load Using Winword","description":"Detects potential DLL sideloading using the Microsoft Office winword process via the '/l' flag.","author":"Victor Sergeev, oscd.community","status":"test","level":"medium","date":"2020-10-09","modified":"2023-03-29","tags":["attack.stealth","attack.t1202"],"technique_ids":["T1202"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/D4Vinci/One-Lin3r/blob/9fdfa5f0b9c698dfbd4cdfe7d2473192777ae1c6/one_lin3r/core/liners/windows/cmd/dll_loader_word.py"],"source_path":"rules/windows/process_creation/proc_creation_win_office_winword_dll_load.yml","source_sha256":"1f71873b63d6ea37071ef289d7e52e5aed5e65b87f8e70b2d84454753548e2ba","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_office_winword_dll_load.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 Arbitrary DLL Load Using Winword\nid: f7375e28-5c14-432f-b8d1-1db26c832df3\nrelated:\n    - id: 2621b3a6-3840-4810-ac14-a02426086171\n      type: obsolete\nstatus: test\ndescription: Detects potential DLL sideloading using the Microsoft Office winword process via the '/l' flag.\nreferences:\n    - https://github.com/D4Vinci/One-Lin3r/blob/9fdfa5f0b9c698dfbd4cdfe7d2473192777ae1c6/one_lin3r/core/liners/windows/cmd/dll_loader_word.py\nauthor: Victor Sergeev, oscd.community\ndate: 2020-10-09\nmodified: 2023-03-29\ntags:\n    - attack.stealth\n    - attack.t1202\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\WINWORD.exe'\n        - OriginalFileName: 'WinWord.exe'\n    selection_dll:\n        CommandLine|contains|all:\n            - '/l '\n            - '.dll'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1202","id":"T1202","name":"Indirect Command Execution","page":"techniques/enterprise/T1202/"}],"data_path":"data/detection-rules/f7375e28-5c14-432f-b8d1-1db26c832df3.json","kind":"sigma"}