ET MALWARE Aura Stealer Victim Checkin (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Aura Stealer Victim Checkin (GET)";
    flow:established,to_server;
    flowbits:set,ET.AuraStealer;
    http.method;
    content:"GET";
    http.uri; bsize:9;
    content:"/api/live"; fast_pattern;
    http.user_agent;
    content:!"python"; nocase;
    content:!"curl"; nocase;
    http.header_names;
    content:!"|0d 0a|x-"; nocase;
    content:!"|0d 0a|referer|0d 0a|"; nocase;
    content:!"|0d 0a|content-length|0d 0a|"; nocase;
    http.host;
    content:!"gotoresolve.com"; endswith;
    threshold:type limit,count 1,seconds 300,track by_src;
    reference:md5,45c7e81edfdc705bce7cb688d333fbf1;
    reference:url,community.emergingthreats.net/t/aura-stealer/3108/3;
    classtype:command-and-control;
    sid:2065860; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_11_20, deployment Perimeter, deployment SSLDecrypt, malware_family AuraStealer, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)