ET MALWARE Fakealert.Rena CnC Checkin 2

Query · suricata

flow:established,to_server;
content:"/images/img.php?id=";
content:"HTTP/1.1|0d 0a|User-Agent"; fast_pattern;
content:"|20|HTTP/1.1|0d 0a|User-Agent|3a 20|Mozilla/4.0|20|(compatible|3b 20|MSIE|20|";
content:"|3b 20|Windows|20|NT|20|"; distance:0;
content:")|0d 0a|Host|3a 20|"; distance:0;
content:"Cache-Control|3a 20|no-cache|0d 0a 0d 0a|"; distance:0;
content:!"|0d 0a|Accept";
Raw source ET MALWARE Fakealert.Rena CnC Checkin 2 · 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 Fakealert.Rena CnC Checkin 2";
    flow:established,to_server;
    content:"/images/img.php?id=";
    content:"HTTP/1.1|0d 0a|User-Agent"; fast_pattern;
    content:"|20|HTTP/1.1|0d 0a|User-Agent|3a 20|Mozilla/4.0|20|(compatible|3b 20|MSIE|20|";
    content:"|3b 20|Windows|20|NT|20|"; distance:0;
    content:")|0d 0a|Host|3a 20|"; distance:0;
    content:"Cache-Control|3a 20|no-cache|0d 0a 0d 0a|"; distance:0;
    content:!"|0d 0a|Accept";
    reference:url,www.malware-control.com/statics-pages/24b9c5f59a4706689d4f9bb5f510ec35.php;
    classtype:command-and-control;
    sid:2013382; rev:4;
    metadata:created_at 2011_08_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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