ET MALWARE MSIL/Autorun.AD Checkin

Query · suricata

flow:established,to_server;
urilen:14;
http.method;
content:"GET";
http.uri;
content:"/loglogin.html"; fast_pattern;
http.header_names;
content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; startswith;
http.connection;
content:"Keep-Alive"; bsize:10;
Raw source ET MALWARE MSIL/Autorun.AD Checkin · 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 MSIL/Autorun.AD Checkin";
    flow:established,to_server;
    urilen:14;
    http.method;
    content:"GET";
    http.uri;
    content:"/loglogin.html"; fast_pattern;
    http.header_names;
    content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; startswith;
    http.connection;
    content:"Keep-Alive"; bsize:10;
    reference:md5,3d652375fd511878f410fb1048e47f83;
    reference:url,www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=TrojanDownloader%3AMSIL/Autorun.AD;
    reference:md5,3d652375fd511878f410fb1048e47f83;
    classtype:command-and-control;
    sid:2021143; rev:6;
    metadata:created_at 2015_05_23, malware_family MSIL_Autorun_AD, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_01;
)

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