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/"; startswith; http.request_body; content:"uid="; startswith; content:"&group="; content:"&lan="; content:"&nameAtPc="; fast_pattern; nocase; content:"&os="; content:"&country="; content:"&uptime="; content:"&installDate="; nocase; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,d19261cf449afc52532028cca110eb36; classtype:command-and-control; sid:2022582; rev:6; metadata:created_at 2016_03_02, signature_severity Major, updated_at 2024_05_01;)