ET MALWARE W32/Koobface Variant Checkin Attempt

Query · suricata

flow:established,to_server;
http.uri;
content:"/ping.php";
http.header;
content:" WinHttp.WinHttpRequest.5|29 0d 0a|";
Raw source ET MALWARE W32/Koobface Variant Checkin Attempt · Suricata
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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 W32/Koobface Variant Checkin Attempt";
    flow:established,to_server;
    http.uri;
    content:"/ping.php";
    http.header;
    content:" WinHttp.WinHttpRequest.5|29 0d 0a|";
    reference:md5,62aa9e798746e586fb1f03459a970104;
    classtype:command-and-control;
    sid:2014303; rev:3;
    metadata:created_at 2012_03_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;
)

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