ET MALWARE Backdoor.Graybird Checkin

Query · suricata

flow:to_server,established;
http.uri;
content:"/count.asp?mac=";
content:"&os=";
content:"&av=";
http.user_agent;
content:"Post"; depth:4; endswith;
Raw source ET MALWARE Backdoor.Graybird 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.Graybird Checkin";
    flow:to_server,established;
    http.uri;
    content:"/count.asp?mac=";
    content:"&os=";
    content:"&av=";
    http.user_agent;
    content:"Post"; depth:4; endswith;
    reference:md5,0fd68129ecbf68ad1290a41429ee3e73;
    reference:md5,11353f5bdbccdd59d241644701e858e6;
    classtype:command-and-control;
    sid:2014365; rev:5;
    metadata:created_at 2012_02_11, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;
)

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