{"id":"3b3c7f55-f771-4dd6-8a6e-08d057a17caf","title":"Arbitrary File Download Via MSPUB.EXE","description":"Detects usage of \"MSPUB\" (Microsoft Publisher) to download arbitrary files","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2022-08-19","modified":"2023-02-08","tags":["attack.execution","attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/LOLBAS-Project/LOLBAS/pull/238/files"],"source_path":"rules/windows/process_creation/proc_creation_win_mspub_download.yml","source_sha256":"d63b3f4e637579d5f945f080a368366d0d878ab0629cb8905e022ce3e06e2356","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_mspub_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 MSPUB.EXE\nid: 3b3c7f55-f771-4dd6-8a6e-08d057a17caf\nstatus: test\ndescription: Detects usage of \"MSPUB\" (Microsoft Publisher) to download arbitrary files\nreferences:\n    - https://github.com/LOLBAS-Project/LOLBAS/pull/238/files\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-08-19\nmodified: 2023-02-08\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: '\\MSPUB.exe'\n        - OriginalFileName: 'MSPUB.exe'\n    selection_cli:\n        CommandLine|contains:\n            - 'ftp://'\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/3b3c7f55-f771-4dd6-8a6e-08d057a17caf.json","kind":"sigma"}