ET MALWARE Arkanix Stealer Data Exfiltration Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:9;
content:"/delivery";
http.header_names;
content:"|0d 0a|desktop-name|0d 0a|"; fast_pattern;
content:"|0d 0a|hwid|0d 0a|";
content:"|0d 0a|token|0d 0a|";
http.user_agent; bsize:11;
content:"Mozilla/5.0";
target:src_ip;
Raw source ET MALWARE Arkanix Stealer Data Exfiltration Attempt · Suricata
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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 Arkanix Stealer Data Exfiltration Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:9;
    content:"/delivery";
    http.header_names;
    content:"|0d 0a|desktop-name|0d 0a|"; fast_pattern;
    content:"|0d 0a|hwid|0d 0a|";
    content:"|0d 0a|token|0d 0a|";
    http.user_agent; bsize:11;
    content:"Mozilla/5.0";
    reference:url,hunting.abuse.ch/hunt/691d7ec0e73ba/arkanix.pw/#sandnet;
    reference:md5,643696a052ea1963e24cfb0531169477;
    classtype:trojan-activity;
    sid:2065837; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_11_19, deployment Perimeter, malware_family Stealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_19, 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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