title: Alternate PowerShell Hosts author: Roberto Rodriguez @Cyb3rWard0g date: 2019/08/11 description: Detects alternate PowerShell hosts potentially bypassing detections looking for powershell.exe detection: SELECTION_1: ContextInfo: '*' SELECTION_2: ContextInfo: '*powershell.exe*' condition: (SELECTION_1 and not (SELECTION_2)) falsepositives: - Programs using PowerShell directly without invocation of a dedicated interpreter - MSP Detection Searcher - Citrix ConfigSync.ps1 id: 64e8e417-c19a-475a-8d19-98ea705394cc level: medium logsource: category: ps_module definition: PowerShell Module Logging must be enabled product: windows modified: 2021/10/16 references: - https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190815181010.html status: test tags: - attack.execution - attack.t1059.001 - attack.t1086 yml_filename: powershell_alternate_powershell_hosts.yml yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_module