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diff --git a/docs/README.Win32-Viruses b/docs/README.Win32-Viruses new file mode 100644 index 0000000000..4646da83cf --- /dev/null +++ b/docs/README.Win32-Viruses @@ -0,0 +1,57 @@ +While this article is specific to the Nimda worm, +the information can be applied to preventing the spread +of many Win32 viruses. Thanks to the Samba Users Group of Japan +(SUGJ) for this article. +=============================================================================== +Steps against Nimba Worm for Samba + +Author: HASEGAWA Yosuke +Translator: TAKAHASHI Motonobu <monyo@samba.gr.jp> + +The information in this article applies to + Samba 2.0.x + Samba 2.2.x + Windows 95/98/Me/NT/2000 + +SYMPTOMS + This article describes measures against Nimba Worm for Samba + server. + +DESCRIPTION + Nimba Worm is infected through shared disks on a network, as well as through + Microsoft IIS, Internet Explorer and mailer of Outlook series. + + At this time, the worm copies itself by the name *.nws and *.eml on + the shared disk, moreover, by the name of Riched20.dll in the folder + where *.doc file is included. + + To prevent infection through the shared disk offered by Samba, set + up as follows: + +----- +[global] + ... + # This can break Administration installations of Office2k. + # in that case, don't veto the riched20.dll + veto files = /*.eml/*.nws/riched20.dll/ +----- + + By setting the "veto files" parameter, matched files on the Samba + server are completely hidden from the clients and making it impossible + to access them at all. + + In addition to it, the following setting is also pointed out by the + samba-jp:09448 thread: when the + "readme.txt.{3050F4D8-98B5-11CF-BB82-00AA00BDCE0B}" file exists on + a Samba server, it is visible only as "readme.txt" and dangerous + code may be executed if this file is double-clicked. + + Setting the following, +----- + veto files = /*.{*}/ +----- + any files having CLSID in its file extension will be inaccessible from any + clients. + +This technical article is created based on the discussion of +samba-jp:09448 and samba-jp:10900 threads. |