alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MS Office Macro Dridex Download URI Jan 7 2015"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/pops"; offset:1; fast_pattern; content:".php"; within:5; pcre:"/^\/[^\x2f]+\/pops[a-z]?\.php$/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/banking-trojan-dridex-uses-macros-for-infection/; classtype:trojan-activity; sid:2020148; rev:8; metadata:created_at 2015_01_07, signature_severity Major, updated_at 2024_04_28;)