Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lazarus APT Related Maldoc Activity (GET)"; flow:established,to_server; http.request_line; content:"GET /wp-content/plugins/akismet/control/en/en.jpg HTTP/1.1"; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer"; reference:md5,854903e0b284ef78322082de46dcd160; reference:url,twitter.com/h2jazi/status/1505965580075114498; classtype:trojan-activity; sid:2035545; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_21, deployment Perimeter, deployment SSLDecrypt, malware_family Lazarus, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_21, reviewed_at 2023_09_01;)