alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Likely Arid Viper APT Advtravel Campaign POST";
flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:"/index.php/customer/do_it"; fast_pattern;
http.user_agent;
content:"Internet"; bsize:8;
http.header_names;
content:!"Referer|0d 0a|";
http.request_body;
content:"pn=";
content:"&data=";
reference:url,www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-arid-viper.pdf;
classtype:targeted-activity;
sid:2020433; rev:5;
metadata:created_at 2015_02_17, confidence Medium, signature_severity Major, updated_at 2020_05_15;
)