Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamaredon APT Related Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".wft"; endswith; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer"; reference:md5,afab9804b082c31877fddfd509859ca6; reference:md5,796552d0d8cecbe334d235233c88065a; reference:url,twitter.com/h2jazi/status/1585270219714531329; classtype:trojan-activity; sid:2039564; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_26, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_26;)