ET MALWARE Gamaredon APT Maldoc Related Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.user_agent;
content:"|3a 3a|";
content:"_"; distance:0;
content:"|3a 3a|/."; distance:0; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Gamaredon APT Maldoc Related Activity (GET) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Gamaredon APT Maldoc Related Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.user_agent;
    content:"|3a 3a|";
    content:"_"; distance:0;
    content:"|3a 3a|/."; distance:0; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,9f89075a81920a6602f8ed5faccd8854;
    reference:url,twitter.com/500mk500/status/1529825325609168896;
    classtype:trojan-activity;
    sid:2036682; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_05_26, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.