ET EXPLOIT Citrix NetScaler SD-WAN 9.1.2.26.561201 Devices CVE-2017-6316 (Outbound)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT Citrix NetScaler SD-WAN 9.1.2.26.561201 Devices CVE-2017-6316 (Outbound)";
    flow:established,to_server;
    urilen:13;
    http.method;
    content:"POST";
    http.uri;
    content:"/global_data/"; fast_pattern;
    http.cookie;
    content:"`";
    content:"http"; distance:0;
    reference:url,unit42.paloaltonetworks.com/mirai-variant-echobot-resurfaces-with-13-previously-unexploited-vulnerabilities/;
    reference:cve,2017-6316;
    classtype:attempted-admin;
    sid:2029164; rev:3;
    metadata:affected_product Linux, attack_target IoT, created_at 2019_12_16, cve CVE_2017_6316, deployment Perimeter, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_26;
)