title: Non Interactive PowerShell author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements) date: 2019/09/12 description: Detects non-interactive PowerShell activity by looking at powershell.exe with not explorer.exe as a parent. detection: SELECTION_1: EventID: 1 SELECTION_2: Image: '*\powershell.exe' SELECTION_3: ParentImage: - '*\explorer.exe' - '*\CompatTelRunner.exe' condition: (SELECTION_1 and SELECTION_2 and not (SELECTION_3)) falsepositives: - Legitimate programs executing PowerShell scripts id: f4bbd493-b796-416e-bbf2-121235348529 level: low logsource: category: process_creation product: windows modified: 2021/05/10 references: - https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190410151110.html status: experimental tags: - attack.execution - attack.t1086 - attack.t1059.001 ruletype: SIGMA