Query: Sigma YAML for windows / taskscheduler
Matching passage: Sigma rule: Detects when adversaries try to stop system services or processes by deleting or disabling their respective scheduled ta. Logsource: windows / taskscheduler. Rule: title: Important Scheduled Task Deleted or Disabled id: 9e3cb244-bdb8-4632-8c90-6079c8f4f16d related: - id: dbc1f800-0fe0-4bc0-9c66-292c2abe3f78 type: similar - id: 7595ba94-cf3b-4471-aa03-4f6baa9e5fad type: similar - id: 9ac94dc8-9042-493c-ba45-3b5e7c86b980 type: similar status: test description: 'Detects when adversaries try to stop system services or processes by deleting or disabling their respective scheduled tasks in order to conduct data destructive activities ' references: - https://www.socinvestigation.com/most-common-windows-event-ids-to-hunt-mind-map/ author: frack113 date: 2023-01-13 modified: 2026-03-11 tags: - attack.impact - attack.t1489 logsource: product: windows service: taskscheduler definition: 'Requirements: The "Microsoft-Windows-TaskScheduler/Operational" is disabled by default and needs to be enabled in order for this detection to trigger' detection: selection: EventID: - 141 - 142 TaskName|contains: - \Windows\SystemRestore\SR - \Windows\Windows Defender\ - \Windows\BitLocker - \Windows\WindowsBackup\ - \Windows\WindowsUpdate\ - \Windows\UpdateOrchestrator\ - \Windows\ExploitGuard filter_main_user: UserName|contains: - AUTHORI - AUTORI condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/builtin/taskscheduler/win_taskscheduler_susp_schtasks_delete_or_disable/info.yml simulation: - type: atomic-red-team name: Windows - Disable the SR scheduled task technique: T1490 atomic_guid: 1c68c68d-83a4-4981-974e-8993055fa034
Near-miss passage: Sigma rule: Detects the execution of an Office application that points to a document that is located in a trusted location. Attacker. Logsource: windows / process_creation. Rule: title: Potentially Suspicious Office Document Executed From Trusted Location id: f99abdf0-6283-4e71-bd2b-b5c048a94743 status: test description: Detects the execution of an Office application that points to a document that is located in a trusted location. Attackers often used this to avoid macro security and execute their malicious code. references: - Internal Research - https://twitter.com/Max_Mal_/status/1633863678909874176 - https://techcommunity.microsoft.com/t5/microsoft-365-blog/new-security-hardening-policies-for-trusted-documents/ba-p/3023465 - https://twitter.com/_JohnHammond/status/1588155401752788994 author: Nasreddine Bencherchali (Nextron Systems) date: 2023-06-21 modified: 2023-10-18 tags: - attack.stealth - attack.t1202 logsource: category: process_creation product: windows detection: selection_parent: ParentImage|endswith: - \explorer.exe - \dopus.exe selection_img: - Image|endswith: - \EXCEL.EXE - \POWERPNT.EXE - \WINWORD.exe - OriginalFileName: - Excel.exe - POWERPNT.EXE - WinWord.exe selection_trusted_location: CommandLine|contains: - \AppData\Roaming\Microsoft\Templates - \AppData\Roaming\Microsoft\Word\Startup\ - \Microsoft Office\root\Templates\ - \Microsoft Office\Templates\ filter_main_dotx: CommandLine|endswith: - .dotx - .xltx - .potx condition: all of selection_* and not 1 of filter_main_* falsepositives: - Unknown level: high