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mailu/core/rspamd/conf/external_services.conf

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