ET MALWARE Win32/GenCBL.XS CnC Activity

Query · suricata

flow:established,to_server;
content:"|30 32 bc|"; startswith;
content:"|bc 4d 4a 56 3a 20|"; distance:0;
content:"|20 31 20 2d 20 42 75 69 6c 64 20 3a 20|"; distance:0; fast_pattern;
Raw source ET MALWARE Win32/GenCBL.XS CnC Activity · Suricata
Esc
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 any (
    msg:"ET MALWARE Win32/GenCBL.XS CnC Activity";
    flow:established,to_server;
    content:"|30 32 bc|"; startswith;
    content:"|bc 4d 4a 56 3a 20|"; distance:0;
    content:"|20 31 20 2d 20 42 75 69 6c 64 20 3a 20|"; distance:0; fast_pattern;
    reference:md5,9dfd2f831b3672dc0c50b98550d3aa06;
    classtype:command-and-control;
    sid:2033819; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_27, deployment Perimeter, malware_family Win32_GenCBL_XS, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_27;
)

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