{"id":"84b1706c-932a-44c4-ae28-892b28a25b94","title":"OneNote.EXE Execution of Malicious Embedded Scripts","description":"Detects the execution of malicious OneNote documents that contain embedded scripts.\nWhen a user clicks on a OneNote attachment and then on the malicious link inside the \".one\" file, it exports and executes the malicious embedded script from specific directories.\n","author":"@kostastsale","status":"test","level":"high","date":"2023-02-02","modified":"","tags":["attack.stealth","attack.t1218.001"],"technique_ids":["T1218.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://bazaar.abuse.ch/browse/tag/one/"],"source_path":"rules/windows/process_creation/proc_creation_win_office_onenote_embedded_script_execution.yml","source_sha256":"7de9483cb42ea286fd560d06982267ee87f99ee89f07b201fe2005df66959e57","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_office_onenote_embedded_script_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: OneNote.EXE Execution of Malicious Embedded Scripts\nid: 84b1706c-932a-44c4-ae28-892b28a25b94\nstatus: test\ndescription: |\n    Detects the execution of malicious OneNote documents that contain embedded scripts.\n    When a user clicks on a OneNote attachment and then on the malicious link inside the \".one\" file, it exports and executes the malicious embedded script from specific directories.\nreferences:\n    - https://bazaar.abuse.ch/browse/tag/one/\nauthor: '@kostastsale'\ndate: 2023-02-02\ntags:\n    - attack.stealth\n    - attack.t1218.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith: '\\onenote.exe'\n        Image|endswith:\n            - '\\cmd.exe'\n            - '\\cscript.exe'\n            - '\\mshta.exe'\n            - '\\powershell.exe'\n            - '\\pwsh.exe'\n            - '\\wscript.exe'\n        CommandLine|contains:\n            - '\\exported\\'\n            - '\\onenoteofflinecache_files\\'\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218.001","id":"T1218.001","name":"Compiled HTML File","page":"techniques/enterprise/T1218.001/"}],"data_path":"data/detection-rules/84b1706c-932a-44c4-ae28-892b28a25b94.json","kind":"sigma"}