Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Unknown Dropper Checkin with NSISDL/1.2 User-Agent"; flow:established,to_server; content:".php?id="; http_uri; content:"User-Agent|3a 20|NSISDL/1.2 (Mozilla)"; http_header; classtype:trojan-activity; sid:2012626; rev:4; metadata:created_at 2011_04_04, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)