ET MALWARE NORTHSTAR Command Sent to Client

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"setCommand.nonfunction.php"; fast_pattern; endswith;
http.referer;
content:"interact.php?slave=";
content:"&sid="; distance:0;
http.request_body;
content:"slave="; startswith;
content:"&command="; distance:0;
content:"&sid="; distance:0;
content:"&token="; distance:0;
Raw source ET MALWARE NORTHSTAR Command Sent to Client · 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 NORTHSTAR Command Sent to Client";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"setCommand.nonfunction.php"; fast_pattern; endswith;
    http.referer;
    content:"interact.php?slave=";
    content:"&sid="; distance:0;
    http.request_body;
    content:"slave="; startswith;
    content:"&command="; distance:0;
    content:"&sid="; distance:0;
    content:"&token="; distance:0;
    reference:url,github.com/EnginDemirbilek/NorthStarC2/;
    classtype:command-and-control;
    sid:2030191; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_05_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_19;
)

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