diff --git a/rules/windows/process_creation/proc_creation_win_run_executable_invalid_extension.yml b/rules/windows/process_creation/proc_creation_win_run_executable_invalid_extension.yml index 393336942..013a9d11d 100644 --- a/rules/windows/process_creation/proc_creation_win_run_executable_invalid_extension.yml +++ b/rules/windows/process_creation/proc_creation_win_run_executable_invalid_extension.yml @@ -6,7 +6,7 @@ references: - https://twitter.com/mrd0x/status/1481630810495139841?s=12 author: Tim Shelton, Florian Roth date: 2022/01/13 -modified: 2022/01/27 +modified: 2022/02/25 logsource: category: process_creation product: windows @@ -21,6 +21,9 @@ detection: filter_iexplorer: ParentImage|endswith: ':\Program Files\Internet Explorer\iexplore.exe' CommandLine|contains: '.cpl' + filter_msiexec: + ParentImage|endswith: ':\Windows\SysWOW64\msiexec.exe' + CommandLine|startswith: 'C:\Windows\syswow64\MsiExec.exe -Embedding' condition: selection and not 1 of filter* fields: - Image