alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE NewPosThings Checkin"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"Mozilla/4.0(compatible|3b 20|MSIE 7.0b|3b 20|Windows NT 6.0)"; fast_pattern; http.request_body; content:"cs="; content:"&p="; content:"&m="; reference:md5,ae9899722707fc2c9716138580787026; reference:url,arbornetworks.com/asert/2014/09/lets-talk-about-newposthings/; classtype:command-and-control; sid:2019197; rev:3; metadata:created_at 2014_09_19, signature_severity Major, updated_at 2020_05_08;)