To update Virus and Hack signatures on your local Observer system, follow
these steps (Note: these filters are only supported in Observer version 9.0 and above):
   1. Download the appropriate file (from the list below) to a local directory.
   2. Start Observer.
   3. From the main menu, choose Actions->Filter Setup for Selected Probe.
   4. Make sure that the "Show multi-filter display" option box is checked.
   5. Right-click on the list of filters and choose Import Filter... from the popup.
   6. Browse to the file saved in step 1 of this procedure and click OK.

The hack and virus signature updates will now be available, both in the filter list and
in Triggers and Alarms.

Worms and Viruses:
(Right click on any of the following links and choose Save Target As... to save the filter to your hard drive.)

  • Beagle.bb.flt

   • Beagle.bj.flt

   • Beagle.dldr.flt

   • Bropia.worm.flt

   • Kelvir_variants.flt

   • MyDoom.ag-ah.flt

   • MyDoom.bb.flt

   • Sober.j.flt

   • Sober.k.flt

   • Lovgate.flt

   • Bofra Virus Variants A-E

   • Moo.b.flt

   • MyDoom.aj.flt

   • gaobot.bqj.flt

   • beagle.av.flt 

   • MyDoom.ah.flt 

   • MyDoom.ai.flt 

   • beagle.bd.flt 

   • kongow.flt 

   • netsky.ag.flt 

   • netsky.p Virus 

   • sbdot.uh Virus 

  • sbdot.fv Virus

   • sbdot Virus

   • mimail.c Virus

   • mimail.i Virus

   • Ascetic.a Virus

   • Beagle Virus

   • Beagle.az Virus

   • NetSky.B Virus

   • MyDoom.o Virus 

   • Beagle.ag Virus

   • Beagle.aa Virus

   • Lovegate.ab Virus

   • Korgo.x Virus

   • Gaggle.e Virus

   • Explet.A Virus

   • Lovesan/MS Blaster Virus

   • Zafi.B / Erkez.B Virus

   • ScobTrojan

   • Korgo.G Virus

   • BugBear.K Virus

   • Sasser Worm 

   • Misodene Virus

   • Agobot Virus

   • MyDoom Virus

   • Beagle/Bagle Virus

   • ACKcmdc Virus

   • BugBear.B Virus

   • SQL Slammer Worm

   • SoBig Virus