ET MALWARE Kronos Checkin M2

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/connect.php?a=1"; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
content:!"Accept";
content:!"Content-Type|0d 0a|";
Raw source ET MALWARE Kronos Checkin M2 · 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 Kronos Checkin M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/connect.php?a=1"; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"Accept";
    content:!"Content-Type|0d 0a|";
    classtype:command-and-control;
    sid:2020077; rev:4;
    metadata:created_at 2014_12_29, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_29;
)

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