{"id":"eee00933-a761-4cd0-be70-c42fe91731e7","title":"Arbitrary File Download Via GfxDownloadWrapper.EXE","description":"Detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.","author":"Victor Sergeev, oscd.community","status":"test","level":"medium","date":"2020-10-09","modified":"2023-10-18","tags":["attack.command-and-control","attack.t1105"],"technique_ids":["T1105"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://lolbas-project.github.io/lolbas/HonorableMentions/GfxDownloadWrapper/"],"source_path":"rules/windows/process_creation/proc_creation_win_gfxdownloadwrapper_arbitrary_file_download.yml","source_sha256":"2fe29bf225b389b7bdc2a45fc014e469a57a13b5eb8bdd2934819ba4c19ffa24","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_gfxdownloadwrapper_arbitrary_file_download.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Arbitrary File Download Via GfxDownloadWrapper.EXE\nid: eee00933-a761-4cd0-be70-c42fe91731e7\nstatus: test\ndescription: Detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.\nreferences:\n    - https://lolbas-project.github.io/lolbas/HonorableMentions/GfxDownloadWrapper/\nauthor: Victor Sergeev, oscd.community\ndate: 2020-10-09\nmodified: 2023-10-18\ntags:\n    - attack.command-and-control\n    - attack.t1105\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        Image|endswith: '\\GfxDownloadWrapper.exe'\n        CommandLine|contains:\n            - 'http://'\n            - 'https://'\n    filter_main_known_urls:\n        CommandLine|contains: 'https://gameplayapi.intel.com/'\n    condition: selection and not 1 of filter_main_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1105","id":"T1105","name":"Ingress Tool Transfer","page":"techniques/enterprise/T1105/"}],"data_path":"data/detection-rules/eee00933-a761-4cd0-be70-c42fe91731e7.json","kind":"sigma"}