alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Current Asprox Spam Campaign 2"; flow:established,to_server; urilen:>60; content:"/handler.php?"; http_uri; fast_pattern:only; pcre:"/\/handler\.php\?[^=]+=[a-zA-Z0-9\x2b\x2f]{43}=$/U"; classtype:trojan-activity; sid:2018135; rev:3; metadata:created_at 2014_02_14, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)