ET HUNTING Suspicious VNC Remote Admin Request

Query · suricata

flow:to_server,established;
content:"|49 44 3a|"; depth:3;
content:"temp"; nocase; fast_pattern; distance:0;
content:"|52 46 42 20 30 30 33 2e 30 30 38 0a|"; distance:0;
Raw source ET HUNTING Suspicious VNC Remote Admin Request · 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 tcp $HOME_NET any -> $EXTERNAL_NET 5500 (
    msg:"ET HUNTING Suspicious VNC Remote Admin Request";
    flow:to_server,established;
    content:"|49 44 3a|"; depth:3;
    content:"temp"; nocase; fast_pattern; distance:0;
    content:"|52 46 42 20 30 30 33 2e 30 30 38 0a|"; distance:0;
    reference:md5,2faf3040e8286d506144a0585d8f4162;
    classtype:trojan-activity;
    sid:2024029; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_03_01, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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