alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"ET NETBIOS LSA exploit"; flow:to_server,established; content:"|313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131|"; offset:78; depth:192; reference:url,www.eeye.com/html/research/advisories/AD20040501.html; reference:url,www.upenn.edu/computing/virus/04/w32.sasser.worm.html; classtype:misc-activity; sid:2000032; rev:9; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)