ET MALWARE DFKRAT CnC Checkin M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/yui/2.7.0/fonts/foot.jsp?name|3d|"; fast_pattern;
content:"|26|id|3d|";
http.user_agent;
content:"Mozilla/5.0|20 28|Windows NT 6.1|3b 20|Win64|3b 20|x64|29 20|AppleWebKit/537.36|20 28|KHTML, like Gecko|29 20|Chrome/91.04472.106 Safari/537.36";
target:src_ip;
Raw source ET MALWARE DFKRAT CnC Checkin M1 · 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 DFKRAT CnC Checkin M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/yui/2.7.0/fonts/foot.jsp?name|3d|"; fast_pattern;
    content:"|26|id|3d|";
    http.user_agent;
    content:"Mozilla/5.0|20 28|Windows NT 6.1|3b 20|Win64|3b 20|x64|29 20|AppleWebKit/537.36|20 28|KHTML, like Gecko|29 20|Chrome/91.04472.106 Safari/537.36";
    reference:url,rt-solar.ru/solar-4rays/blog/4124/;
    classtype:trojan-activity;
    sid:2051523; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_03_07, deployment Perimeter, deployment SSLDecrypt, malware_family NGC2180, malware_family DFKRAT, performance_impact Low, confidence High, signature_severity Major, tag NGC2180, tag DFKRAT, updated_at 2024_03_07;
    target:src_ip;
)

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.