1 While this article is specific to the recent Nimda worm,
2 the information can be applied to preventing the spread
3 of many Win32 viruses. Thanks to the Samba Users Group of Japan
4 (SUGJ) for this article.
5 ===============================================================================
6 Steps againt Nimba Worm for Samba
8 Author: HASEGAWA Yosuke
9 Translator: TAKAHASHI Motonobu <monyo@samba.gr.jp>
11 The information in this article applies to
14 Windows 95/98/Me/NT/2000
17 This article has described the measure against Nimba Worm for Samba
21 Nimba Worm is infected through the shared disk on a network besides
22 Microsoft IIS, Internet Explorer and mailer of Outlook series.
24 At this time, the worm copies itself by the name *.nws and *.eml on
25 the shared disk, moreover, by the name of Riched20.dll in the folder
26 where *.doc file is included.
28 To prevent infection through the shared disk offered by Samba, set
34 # This can break Administration installations of Office2k.
35 # in that case, don't veto the riched20.dll
36 veto files = /*.eml/*.nws/riched20.dll/
39 Setting up "veto files" parameter, the matched files on the Samba
40 server are completely hidden from the clients and become impossible
41 to access them at all.
43 In addition to it, the following setting are also pointed out by the
44 samba-jp:09448 thread: when the
45 "
\e(Jreadme.txt.{3050F4D8-98B5-11CF-BB82-00AA00BDCE0B}"
\e(B file exists on
46 a Samba server, it is visible only with "readme.txt" and a dangerous
47 code may be performed when this file is double-clicked.
49 Setting the following,
53 no files having CLSID in its file extension can be accessed from any
56 This technical article is created based on the discussion of
57 samba-jp:09448 and samba-jp:10900 threads.