ET INFO Bluetrait Initial Check-in - Server Response

Query · suricata

flow:established,to_client;
flowbits:isset,ET.Bluetrait.Initial.Checkin;
http.stat_code;
content:"200";
http.cookie;
content:"sts_sid|3d|";
content:"bluetrait.io|3b 20|secure|3b 20|HttpOnly"; fast_pattern; endswith;
http.response_body;
content:"|7b 22|success|22 3a|1|2c 22|id|22 3a 22|"; startswith;
content:"|22 2c 22|uuid|22 3a 22|"; within:20;
pcre:"/^[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}/R";
content:"|22 2c 22|message|22 3a 22|"; within:60;
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET INFO Bluetrait Initial Check-in - Server Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET INFO Bluetrait Initial Check-in - Server Response";
    flow:established,to_client;
    flowbits:isset,ET.Bluetrait.Initial.Checkin;
    http.stat_code;
    content:"200";
    http.cookie;
    content:"sts_sid|3d|";
    content:"bluetrait.io|3b 20|secure|3b 20|HttpOnly"; fast_pattern; endswith;
    http.response_body;
    content:"|7b 22|success|22 3a|1|2c 22|id|22 3a 22|"; startswith;
    content:"|22 2c 22|uuid|22 3a 22|"; within:20;
    pcre:"/^[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}/R";
    content:"|22 2c 22|message|22 3a 22|"; within:60;
    reference:url,bluetrait.io;
    classtype:misc-activity;
    sid:2057026; rev:1;
    metadata:affected_product Bluetrait_RMM, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_10_23, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_10_23;
    target:dest_ip;
)

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