alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE MS Office Macro Dridex Download URI Jan 7 2015";
flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/pops"; offset:1; fast_pattern;
content:".php"; within:5;
pcre:"/^\/[^\x2f]+\/pops[a-z]?\.php$/";
http.header_names;
content:!"Referer|0d 0a|";
reference:url,blog.trendmicro.com/trendlabs-security-intelligence/banking-trojan-dridex-uses-macros-for-infection/;
classtype:trojan-activity;
sid:2020148; rev:6;
metadata:created_at 2015_01_07, signature_severity Major, updated_at 2020_09_01;
)