ET MALWARE KeyBase Keylogger Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"GET"; nocase;
http.uri;
content:".php?type=notification&machinename="; fast_pattern;
content:"&machinetime=";
http.header_names;
content:!"User-Agent|0d 0a|";
Raw source ET MALWARE KeyBase Keylogger 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 KeyBase Keylogger Checkin";
    flow:to_server,established;
    http.method;
    content:"GET"; nocase;
    http.uri;
    content:".php?type=notification&machinename="; fast_pattern;
    content:"&machinetime=";
    http.header_names;
    content:!"User-Agent|0d 0a|";
    reference:md5,fa6f24a18ef772d9cdaa1d6cd1e24d1b;
    reference:url,researchcenter.paloaltonetworks.com/2015/06/keybase-keylogger-malware-family-exposed/;
    classtype:command-and-control;
    sid:2021188; rev:4;
    metadata:created_at 2015_06_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_01;
)

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