[Esd-l] Worm warning: w32.Mypart@mm

John D. Hardin jhardin at impsec.org
Thu Jan 31 06:52:00 PST 2002

On Wed, 30 Jan 2002, Murray Crane wrote:

> For those that want it, here is a very simple local.procmail
> recipe to catch the lovely yahoo party worm.  If anyone would like
> a sample of this beast to improve/tighten this recipe just ask.  
> I diff'ed the four copies we got overnight and the only
> differences (barring headers) was the random number the sanitizer
> put into the "filename" to mangle it.

According to Symantec there are two variants with different filenames.
You mighe want to use

   * ^begin [0-9][0-9][0-9] (filename1|filename2)


I put one of these together the first day, but reading the analysis on
the Symantec site says the worm is only active for about a week, so I
figured the effort wasn't worth it, as this one will die off on its

...unless a non-time-limited variant is released, of course.

 John Hardin KA7OHZ    ICQ#15735746    http://www.impsec.org/~jhardin/
 jhardin at impsec.org                       pgpk -a jhardin at wolfenet.com
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 1024: 0xB8732E79 - 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
  In 1998 more than three times as many people in the US were killed
  by incompetent physicians than were killed by handguns, yet the
  President of the A.M.A. is adopting "gun safety" as his platform.
   1006 days until the Presidential Election

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