alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE jFect HTTP CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/ping"; http.user_agent; content:"Java/"; depth:5; http.request_body; content:"uid="; depth:4; content:"&group="; content:"&lan="; content:"&nameAtPc="; fast_pattern; nocase; content:"&os="; content:"&country="; content:"&uptime="; content:"&installDate="; nocase; http.header_names; content:!"Referer|0d 0a|"; reference:md5,d19261cf449afc52532028cca110eb36; classtype:command-and-control; sid:2022582; rev:4; metadata:created_at 2016_03_02, signature_severity Major, updated_at 2020_11_02;)