{"id":"8150732a-0c9d-4a99-82b9-9efb9b90c40c","title":"Suspicious Msiexec Quiet Install From Remote Location","description":"Detects usage of Msiexec.exe to install packages hosted remotely quietly","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2022-10-28","modified":"2025-10-07","tags":["attack.stealth","attack.t1218.007"],"technique_ids":["T1218.007"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://www.microsoft.com/en-us/security/blog/2022/10/27/raspberry-robin-worm-part-of-larger-ecosystem-facilitating-pre-ransomware-activity/"],"source_path":"rules/windows/process_creation/proc_creation_win_msiexec_install_remote.yml","source_sha256":"e77483c1c03e6bdc1f45af7325b14b75226415edcb0620e294d24c28da69a04b","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_msiexec_install_remote.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Msiexec Quiet Install From Remote Location\nid: 8150732a-0c9d-4a99-82b9-9efb9b90c40c\nrelated:\n    - id: f7b5f842-a6af-4da5-9e95-e32478f3cd2f\n      type: similar\nstatus: test\ndescription: Detects usage of Msiexec.exe to install packages hosted remotely quietly\nreferences:\n    - https://www.microsoft.com/en-us/security/blog/2022/10/27/raspberry-robin-worm-part-of-larger-ecosystem-facilitating-pre-ransomware-activity/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-10-28\nmodified: 2025-10-07\ntags:\n    - attack.stealth\n    - attack.t1218.007\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\msiexec.exe'\n        - OriginalFileName: 'msiexec.exe'\n    selection_cli:\n        # Note that there is no space before and after the arguments because it's possible to write a commandline as such\n        # Example: msiexec -q/i [MSI Package]\n        CommandLine|contains|windash:\n            - '-i'\n            - '-package'\n            - '-a'\n            - '-j'\n    selection_quiet:\n        CommandLine|contains|windash: '-q'\n    selection_remote:\n        CommandLine|contains:\n            - 'http'\n            - '\\\\\\\\'\n    filter_optional_openoffice:\n        CommandLine|contains|all:\n            - '\\AppData\\Local\\Temp\\OpenOffice'\n            - 'Installation Files\\openoffice'\n    condition: all of selection_* and not 1 of filter_optional_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218.007","id":"T1218.007","name":"Msiexec","page":"techniques/enterprise/T1218.007/"}],"data_path":"data/detection-rules/8150732a-0c9d-4a99-82b9-9efb9b90c40c.json","kind":"sigma"}