{"id":"7cff77e1-9663-46a3-8260-17f2e1aa9d0a","title":"AppX Package Installation Attempts Via AppInstaller.EXE","description":"Detects DNS queries made by \"AppInstaller.EXE\". The AppInstaller is the default handler for the \"ms-appinstaller\" URI. It attempts to load/install a package from the referenced URL\n","author":"frack113","status":"test","level":"medium","date":"2021-11-24","modified":"2023-11-09","tags":["attack.command-and-control","attack.t1105"],"technique_ids":["T1105"],"logsource":{"product":"windows","category":"dns_query"},"falsepositives":["Unknown"],"references":["https://twitter.com/notwhickey/status/1333900137232523264","https://lolbas-project.github.io/lolbas/Binaries/AppInstaller/"],"source_path":"rules/windows/dns_query/dns_query_win_appinstaller.yml","source_sha256":"22f52593712b946698d4a34dd9e7d33d71aaa3a0a55daee14bb319ace12623be","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/dns_query/dns_query_win_appinstaller.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: AppX Package Installation Attempts Via AppInstaller.EXE\nid: 7cff77e1-9663-46a3-8260-17f2e1aa9d0a\nrelated:\n    - id: 180c7c5c-d64b-4a63-86e9-68910451bc8b\n      type: derived\nstatus: test\ndescription: |\n    Detects DNS queries made by \"AppInstaller.EXE\". The AppInstaller is the default handler for the \"ms-appinstaller\" URI. It attempts to load/install a package from the referenced URL\nreferences:\n    - https://twitter.com/notwhickey/status/1333900137232523264\n    - https://lolbas-project.github.io/lolbas/Binaries/AppInstaller/\nauthor: frack113\ndate: 2021-11-24\nmodified: 2023-11-09\ntags:\n    - attack.command-and-control\n    - attack.t1105\nlogsource:\n    product: windows\n    category: dns_query\ndetection:\n    selection:\n        Image|startswith: 'C:\\Program Files\\WindowsApps\\Microsoft.DesktopAppInstaller_'\n        Image|endswith: '\\AppInstaller.exe'\n    condition: selection\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/7cff77e1-9663-46a3-8260-17f2e1aa9d0a.json","kind":"sigma"}