ET MALWARE Odyssey Stealer CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/api/v1/bot/joinsystem/"; fast_pattern; startswith;
target:src_ip;
Raw source ET MALWARE Odyssey Stealer CnC 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 Odyssey Stealer CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/api/v1/bot/joinsystem/"; fast_pattern; startswith;
    reference:url,censys.com/blog/odyssey-stealer-macos-crypto-stealing-operation;
    classtype:trojan-activity;
    sid:2067743; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_02_17, deployment Perimeter, malware_family Odyssey_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_02_17, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;
    target:src_ip;
)

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