ET MALWARE SockRacket/KANDYKORN CnC Response (Nonce)

Query · suricata

flow:established,to_client;
stream_size:server,<,10;
dsize:4;
content:"|86 b9 44 2c|";
Raw source ET MALWARE SockRacket/KANDYKORN CnC Response (Nonce) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE SockRacket/KANDYKORN CnC Response (Nonce)";
    flow:established,to_client;
    stream_size:server,<,10;
    dsize:4;
    content:"|86 b9 44 2c|";
    reference:url,elastic.co/security-labs/elastic-catches-dprk-passing-out-kandykorn;
    classtype:trojan-activity;
    sid:2049035; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_01, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_01, reviewed_at 2023_11_01;
)

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