Block VBA Stomping too

core/rspamd/conf/composites.conf

@@ -5,7 +5,7 @@ OLETOOLS_MACRO_MRAPTOR {
     score = 20.0;
 }
 OLETOOLS_MACRO_SUSPICIOUS {
-    expression = "OLETOOLS & OLETOOLS_SUSPICIOUS";
+    expression = "OLETOOLS_SUSPICIOUS | OLETOOLS_VBASTOMP";
     message = "Rejected (malicious macro)";
     policy = "leave";
     score = 20.0;

core/rspamd/conf/external_services.conf

@@ -13,6 +13,7 @@ oletools {
     OLETOOLS_MACRO      = '^.....M..$';
     OLETOOLS_AUTOEXEC   = '^A....M..$';
     OLETOOLS_SUSPICIOUS = '^.....MS.$';
+    OLETOOLS_VBASTOMP   = '^.....M.V$';
 # see https://github.com/decalage2/oletools/blob/master/oletools/mraptor.py
     OLETOOLS_A   = '(?i)\b(?:Auto(?:Exec|_?Open|_?Close|Exit|New)|Document(?:_?Open|_Close|_?BeforeClose|Change|_New)|NewDocument|Workbook(?:_Open|_Activate|_Close|_BeforeClose)|\w+_(?:Painted|Painting|GotFocus|LostFocus|MouseHover|Layout|Click|Change|Resize|BeforeNavigate2|BeforeScriptExecute|DocumentComplete|DownloadBegin|DownloadComplete|FileDownload|NavigateComplete2|NavigateError|ProgressChange|PropertyChange|SetSecureLockIcon|StatusTextChange|TitleChange|MouseMove|MouseEnter|MouseLeave|OnConnecting))|Auto_Ope\b';
     OLETOOLS_W   = '(?i)\b(?:FileCopy|CopyFile|Kill|CreateTextFile|VirtualAlloc|RtlMoveMemory|URLDownloadToFileA?|AltStartupPath|WriteProcessMemory|ADODB\.Stream|WriteText|SaveToFile|SaveAs|SaveAsRTF|FileSaveAs|MkDir|RmDir|SaveSetting|SetAttr)\b|(?:\bOpen\b[^\n]+\b(?:Write|Append|Binary|Output|Random)\b)';