Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lop.gfr/Swizzor HTTP Update/Checkin (usually host-domain-lookup.com related)"; flow:established,to_server; http.uri; content:"/upd/check?"; nocase; content:"&fxp="; classtype:command-and-control; sid:2008333; rev:5; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)