ET MALWARE Backdoor Lanfiltrator Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:"/ralog.cgi?action="; nocase; fast_pattern;
content:"&ip="; nocase;
content:"&servertype="; nocase; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Backdoor Lanfiltrator Checkin · 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 Backdoor Lanfiltrator Checkin";
    flow:established,to_server;
    http.uri;
    content:"/ralog.cgi?action="; nocase; fast_pattern;
    content:"&ip="; nocase;
    content:"&servertype="; nocase; distance:0;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,research.sunbelt-software.com/threatdisplay.aspx?name=Backdoor.Win32.LanFiltrator.3b&threatid=51642;
    classtype:command-and-control;
    sid:2009078; rev:8;
    metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;
)

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