diff --git a/rules/windows/image_load/image_load_dll_vsstrace_susp_load.yml b/rules/windows/image_load/image_load_dll_vsstrace_susp_load.yml index 7625769db20..52f758683f8 100644 --- a/rules/windows/image_load/image_load_dll_vsstrace_susp_load.yml +++ b/rules/windows/image_load/image_load_dll_vsstrace_susp_load.yml @@ -1,4 +1,4 @@ -title: Suspicious Volume Shadow Copy Vsstrace.dll Load +title: Potentially Suspicious Volume Shadow Copy Vsstrace.dll Load id: 48bfd177-7cf2-412b-ad77-baf923489e82 related: - id: 333cdbe8-27bb-4246-bf82-b41a0dca4b70 # vss_ps.dll @@ -11,7 +11,7 @@ references: - https://github.com/ORCx41/DeleteShadowCopies author: frack113 date: 2023-02-17 -modified: 2025-01-01 +modified: 2025-01-19 tags: - attack.defense-evasion - attack.impact @@ -22,7 +22,7 @@ logsource: detection: selection: ImageLoaded|endswith: '\vsstrace.dll' - filter_windows: + filter_main_windows: - Image: - 'C:\Windows\explorer.exe' - 'C:\Windows\ImmersiveControlPanel\SystemSettings.exe' @@ -32,7 +32,7 @@ detection: - 'C:\Windows\Temp\{' # Installers - 'C:\Windows\WinSxS\' - 'C:\ProgramData\Package Cache\{' # Microsoft Visual Redistributable installer VC_redist/vcredist EXE - filter_program_files: + filter_optional_program_files: # When using this rule in your environment replace the "Program Files" folder by the exact applications you know use this. Examples would be software such as backup solutions Image|startswith: - 'C:\Program Files\' @@ -40,4 +40,4 @@ detection: condition: selection and not 1 of filter_* falsepositives: - Unknown -level: high +level: medium