Hi, To save my SNORT sigs board going into meltdown, I sm posting my Sasser snort sigs here for all interested parties. alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"W32/Sasser.worm.a [NAI])"; content:"|BC 3B 74 0B 50 8B 3D E8 46 A7 3D 09 85 B8 F8 CD 76 40 DE 7C 5B 5C D7 2A A8 E8 58 75 62 96 25 24|"; classtype:misc- activity;rev:1;) alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"W32/Sasser.worm.b [NAI])"; content:"|58 BC 0C FF 59 57 32 31 BD EC 34 64 6E D6 E3 8D 65 04 68 58 62 79 DF D8 2C 25 6A B5 28 BA 13 74|"; classtype:misc- activity;rev:1;) Regards, Martin Overton -- Anti-Malware Specialist - WildList Reporter - AVIEN Charter member Electronic Ephemera - Hoax FAQ http://arachnophiliac.com/hoax Arachnid and Snake Wrangler - http://arachnophiliac.com/burrow/home.htm PGP key - http://arachnid.homeip.net/papers/other/MartinOverton.asc QFTD='Never could any increase of comfort or security be a sufficient good to be bought at the price of liberty.' - Hilaire Belloc