alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Krunchy/BZub HTTP Checkin/Update"; flow:established,to_server; content:".php?action="; http_uri; content:"&guid="; http_uri; content:"GET"; nocase; http_method; content:!"User-Agent|3a| "; http_header; classtype:trojan-activity; sid:2007775; rev:10; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)