alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Babar POST Request"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSI 6.0|3b 20|"; startswith; fast_pattern; http.header_names; content:!"Referer|0d 0a|"; reference:url,motherboard.vice.com/read/meet-babar-a-new-malware-almost-certainly-created-by-france; classtype:trojan-activity; sid:2020471; rev:3; metadata:created_at 2015_02_18, signature_severity Major, updated_at 2020_05_15;)