ET MALWARE Backdoor.Win32.Sykipot Checkin

Query · suricata

flow:established,from_client;
http.uri;
content:"allow_get.asp?name="; fast_pattern;
content:"&hostname="; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Backdoor.Win32.Sykipot 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 Backdoor.Win32.Sykipot Checkin";
    flow:established,from_client;
    http.uri;
    content:"allow_get.asp?name="; fast_pattern;
    content:"&hostname="; distance:0;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:cve,2011-2462;
    reference:url,blog.9bplus.com/analyzing-cve-2011-2462;
    reference:url,contagiodump.blogspot.com/2011/12/adobe-zero-day-cve-2011-2462.html;
    classtype:command-and-control;
    sid:2014006; rev:4;
    metadata:created_at 2011_12_09, cve CVE_2011_2462, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_09;
)

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