{"id":"e84d89c4-f544-41ca-a6af-4b92fd38b023","title":"Arbitrary File Download Via MSEDGE_PROXY.EXE","description":"Detects usage of \"msedge_proxy.exe\" to download arbitrary files","author":"Swachchhanda Shrawan Poudel","status":"test","level":"medium","date":"2023-11-09","modified":"","tags":["attack.execution","attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://lolbas-project.github.io/lolbas/Binaries/msedge_proxy/"],"source_path":"rules/windows/process_creation/proc_creation_win_msedge_proxy_download.yml","source_sha256":"27aeb6b26a460562197c099605582004d48d699b6d8fac607745ea93431ac207","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_msedge_proxy_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 MSEDGE_PROXY.EXE\nid: e84d89c4-f544-41ca-a6af-4b92fd38b023\nstatus: test\ndescription: Detects usage of \"msedge_proxy.exe\" to download arbitrary files\nreferences:\n    - https://lolbas-project.github.io/lolbas/Binaries/msedge_proxy/\nauthor: Swachchhanda Shrawan Poudel\ndate: 2023-11-09\ntags:\n    - attack.execution\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\msedge_proxy.exe'\n        - OriginalFileName: 'msedge_proxy.exe'\n    selection_cli:\n        CommandLine|contains:\n            - 'http://'\n            - 'https://'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/e84d89c4-f544-41ca-a6af-4b92fd38b023.json","kind":"sigma"}