Query: alert when Detects Windows Installer service (msiexec.exe) spawning "cmd" or "powershell"
Matching passage: Sigma rule: Detects Windows Installer service (msiexec.exe) spawning "cmd" or "powershell". Logsource: windows / process_creation. Rule: title: Always Install Elevated MSI Spawned Cmd And Powershell id: 1e53dd56-8d83-4eb4-a43e-b790a05510aa status: test description: Detects Windows Installer service (msiexec.exe) spawning "cmd" or "powershell" references: - https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-50-638.jpg author: Teymur Kheirkhabarov (idea), Mangatas Tondang (rule), oscd.community date: 2020-10-13 modified: 2022-10-20 tags: - attack.privilege-escalation - attack.t1548.002 logsource: product: windows category: process_creation detection: selection_img: - Image|endswith: - \cmd.exe - \powershell.exe - \pwsh.exe - OriginalFileName: - Cmd.Exe - PowerShell.EXE - pwsh.dll selection_parent: ParentImage|contains|all: - \Windows\Installer\ - msi ParentImage|endswith: tmp condition: all of selection_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects when adversaries stop services or processes by deleting or disabling their respective scheduled tasks in order t. Logsource: windows / security. Rule: title: Important Scheduled Task Deleted/Disabled id: 7595ba94-cf3b-4471-aa03-4f6baa9e5fad related: - id: dbc1f800-0fe0-4bc0-9c66-292c2abe3f78 type: similar - id: 9ac94dc8-9042-493c-ba45-3b5e7c86b980 type: similar - id: 9e3cb244-bdb8-4632-8c90-6079c8f4f16d type: similar status: test description: Detects when adversaries stop services or processes by deleting or disabling their respective scheduled tasks in order to conduct data destructive activities references: - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4699 - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4701 author: Nasreddine Bencherchali (Nextron Systems) date: 2022-12-05 modified: 2023-03-13 tags: - attack.execution - attack.privilege-escalation - attack.persistence - attack.t1053.005 logsource: product: windows service: security definition: The Advanced Audit Policy setting Object Access > Audit Other Object Access Events has to be configured to allow this detection. We also recommend extracting the Command field from the embedded XML in the event data. detection: selection: EventID: - 4699 - 4701 TaskName|contains: - \Windows\SystemRestore\SR - \Windows\Windows Defender\ - \Windows\BitLocker - \Windows\WindowsBackup\ - \Windows\WindowsUpdate\ - \Windows\UpdateOrchestrator\Schedule - \Windows\ExploitGuard filter_main_defender_update: EventID: 4699 SubjectUserName|endswith: $ TaskName|contains: \Windows\Windows Defender\ condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/builtin/security/win_security_susp_scheduled_task_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