Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamaredon Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/amazed/alternative.jng"; endswith; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer"; http.host; content:".ru"; endswith; reference:md5,0c6eb0ff9121eae3ce6e15f7af8f9909; reference:url,twitter.com/s1ckb017/status/1438458210147520514; classtype:trojan-activity; sid:2033981; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_09_17, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_17;)