alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:14; content:"/wiki0509.html"; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,twitter.com/h2jazi/status/1438602464765386757; reference:md5,41dacae2a33ee717abcc8011b705f2cb; classtype:trojan-activity; sid:2034221; rev:4; metadata:attack_target Client_Endpoint, created_at 2021_10_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_20;)