ET MALWARE Win32/Delf.UUW CnC Keep-Alive

Query · suricata

flow:established,to_server;
dsize:8;
content:"|65 00 00 00 00 00 00 00|";
threshold:type limit, track by_src, seconds 120, count 1;
Raw source ET MALWARE Win32/Delf.UUW CnC Keep-Alive · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Delf.UUW CnC Keep-Alive";
    flow:established,to_server;
    dsize:8;
    content:"|65 00 00 00 00 00 00 00|";
    threshold:type limit, track by_src, seconds 120, count 1;
    reference:md5,3ffa6941fc71c2919ccf3edc4992ec99;
    classtype:trojan-activity;
    sid:2039719; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_11_04, deployment Perimeter, malware_family Win32_Delf_UUW, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_04;
)

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