title: Malicious Documents description: Detect high risk processes spawned from Office applications. Complementary to T1566.001 Spearphishing Attachment due to similar download and macro detections. author: keyboardcrunch date: 10/10/2020 modified: 05/12/2020 mitre: tactic: Execution technique: T1204 subtechnique: 002 operating_system: windows query: (SrcProcParentName In Contains ("WINWORD.EXE","EXCEL.EXE") AND SrcProcName In Contains Anycase ("cmd.exe","cscript.exe","wscript.exe","certutil.exe","powershell.exe","msbuild.exe","csc.exe")) OR IndicatorName = "SuspiciousDocument" false_positives: - Legit docs with macros. - McAfee DLP hits on links opened from docs. - Office plugins opening sites within browsers. tags: