ET MALWARE AllcomeClipper CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?cf6zrlhn="; fast_pattern;
http.user_agent;
content:"YaBrowser/";
content:"Yowser/"; distance:0;
Raw source ET MALWARE AllcomeClipper CnC Checkin · 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 AllcomeClipper CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?cf6zrlhn="; fast_pattern;
    http.user_agent;
    content:"YaBrowser/";
    content:"Yowser/"; distance:0;
    reference:md5,79ecd91ebda3816f9dfc118cbdeda9ec;
    reference:url,twitter.com/3xp0rtblog/status/1486368999919300611;
    classtype:trojan-activity;
    sid:2039100; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_10_05, deployment Perimeter, malware_family AllcomeClipper, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_05;
)

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