diff --git a/rules/windows/process_creation/win_renamed_powershell.yml b/rules/windows/process_creation/win_renamed_powershell.yml index 84ff273fd..59633afe4 100644 --- a/rules/windows/process_creation/win_renamed_powershell.yml +++ b/rules/windows/process_creation/win_renamed_powershell.yml @@ -4,9 +4,9 @@ status: experimental description: Detects the execution of a renamed PowerShell often used by attackers or malware references: - https://twitter.com/christophetd/status/1164506034720952320 -author: Florian Roth +author: Florian Roth, frack113 date: 2019/08/22 -modified: 2020/09/06 +modified: 2021/07/03 tags: - car.2013-05-009 - attack.defense_evasion @@ -17,12 +17,15 @@ logsource: category: process_creation detection: selection: - Description: 'Windows PowerShell' + Description|startswith: + - 'Windows PowerShell' + - 'pwsh' Company: 'Microsoft Corporation' filter: Image|endswith: - '\powershell.exe' - '\powershell_ise.exe' + - '\pwsh.exe' condition: selection and not filter falsepositives: - Unknown