alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Nitlove POS CnC"; flow:to_server,established; http.method; content:"POST"; http.uri; content:".php"; endswith; http.user_agent; content:"nit_love"; fast_pattern; startswith; http.header_names; content:!"Referer|0d 0a|"; content:!"Accept|0d 0a|"; reference:url,www.fireeye.com/blog/threat-research/2015/05/nitlovepos_another.html; classtype:command-and-control; sid:2021144; rev:4; metadata:created_at 2015_05_26, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;)