alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gozi check-in / update"; flow:established,to_server; http.uri; content:"?user_id="; nocase; content:"&version_id="; nocase; content:"&crc="; nocase; reference:url,www.secureworks.com/research/threats/gozi; classtype:trojan-activity; sid:2009410; rev:6; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_04_21;)