Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Sinowal/sinonet/mebroot/Torpig infected host checkin"; flow:established,to_server; http.uri; content:"/search"; depth:7; content:"?fr=altavista&itag="; within:30; content:"&kls="; distance:0; http.header_names; content:!"User-Agent"; classtype:command-and-control; sid:2011365; rev:12; metadata:created_at 2010_09_28, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_18;)