alert tcp $HOME_NET any -> $EXTERNAL_NET 25 (msg:"ET DELETED Outbound W32.Novarg.A worm"; flow:established; content:"TVqQAAMAAAAEAAAA"; content:"8AALgAAAAAAAAAQ"; within:20; distance:2; content:"UEUA..AEwBAW"; content:"DgAA8BCwEHAABQAAAAE"; within:40; distance:16; content:"ABVUFgwAAAAAABgAAAAEAAAAAAAAAAEA"; content:"ACAAADg"; within:30; distance:16; reference:url,securityresponse.symantec.com/avcenter/venc/data/w32.mydoom.a@mm.html; classtype:trojan-activity; sid:2001273; rev:14; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)