diff --git a/rules/windows/process_access/win_susp_proc_access_lsass.yml b/rules/windows/process_access/win_susp_proc_access_lsass.yml index ceedf8fe7..edf6cd800 100644 --- a/rules/windows/process_access/win_susp_proc_access_lsass.yml +++ b/rules/windows/process_access/win_susp_proc_access_lsass.yml @@ -49,7 +49,25 @@ detection: - 'BA' - 'DA' - 'FA' - condition: selection + filter1: + SourceImage: + - 'C:\WINDOWS\system32\taskmgr.exe' + filter2: + SourceImage|startswith: 'C:\ProgramData\Microsoft\Windows Defender\' + SourceImage|endswith: '\MsMpEng.exe' + filter3: + SourceImage|startswith: 'C:\Program Files\WindowsApps\' + SourceImage|endswith: '\GamingServices.exe' + GrantedAccess: '0x1410' + filter4: + SourceImage|endswith: + - '\PROCEXP64.EXE' + - '\PROCEXP.EXE' + GrantedAccess: '0x1410' + filter5: + SourceImage|startswith: 'C:\ProgramData\VMware\VMware Tools\' + SourceImage|endswith: '\vmtoolsd.exe' + condition: selection and not filter1 and not filter2 and not filter3 and not filter4 and not filter5 fields: - User - SourceImage