mailu/core/rspamd/conf/external_services.conf

{% if SCAN_MACROS == 'True' %}
oletools {
  # default olefy settings
  servers = "{{ OLETOOLS_ADDRESS }}:11343"

  # needs to be set explicitly for Rspamd < 1.9.5
  scan_mime_parts = true;
  extended = true;
  max_size = 3145728;
  timeout = 20.0;
  retransmits = 1;

  patterns {
    OLETOOLS_MACRO_FOUND= '^.....M..$';
    OLETOOLS_AUTOEXEC   = '^A....M..$';
    OLETOOLS_FLAG       = '^.....MS.$';
    OLETOOLS_VBASTOMP   = '^VBA Stomping$';
# 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))\b|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)';
    OLETOOLS_X   = '(?i)\b(?:Shell|CreateObject|GetObject|SendKeys|RUN|CALL|MacScript|FollowHyperlink|CreateThread|ShellExecuteA?|ExecuteExcel4Macro|EXEC|REGISTER|SetTimer)\b|(?:\bDeclare\b[^\n]+\bLib\b)';
  }

  # mime-part regex matching in content-type or filename
  mime_parts_filter_regex {
    #UNKNOWN = "application\/octet-stream";
    DOC2 = "application\/msword";
    DOC3 = "application\/vnd\.ms-word.*";
    XLS = "application\/vnd\.ms-excel.*";
    PPT = "application\/vnd\.ms-powerpoint.*";
    GENERIC = "application\/vnd\.openxmlformats-officedocument.*";
  }
  # mime-part filename extension matching (no regex)
  mime_parts_filter_ext {
    doc = "doc";
    dot = "dot";
    docx = "docx";
    dotx = "dotx";
    docm = "docm";
    dotm = "dotm";
    xls = "xls";
    xlt = "xlt";
    xla = "xla";
    xlsx = "xlsx";
    xltx = "xltx";
    xlsm = "xlsm";
    xltm = "xltm";
    xlam = "xlam";
    xlsb = "xlsb";
    ppt = "ppt";
    pot = "pot";
    pps = "pps";
    ppa = "ppa";
    pptx = "pptx";
    potx = "potx";
    ppsx = "ppsx";
    ppam = "ppam";
    pptm = "pptm";
    potm = "potm";
    ppsm = "ppsm";
    slk = "slk";
  }
}
{% endif %}