ET MALWARE Win32/Agent.UHC CnC Activity

Query · suricata

flow:established,to_client;
stream_size:client,<,40;
content:"|2e 2e 61 58 63 66|"; fast_pattern;
Raw source ET MALWARE Win32/Agent.UHC 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-stream $EXTERNAL_NET 1024: -> $HOME_NET any (
    msg:"ET MALWARE Win32/Agent.UHC CnC Activity";
    flow:established,to_client;
    stream_size:client,<,40;
    content:"|2e 2e 61 58 63 66|"; fast_pattern;
    reference:md5,042261407926beaaf0e3ed8bba5307cc;
    classtype:command-and-control;
    sid:2034219; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2021_10_18, deployment Perimeter, malware_family Win32_Agent_UHC, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_28;
)

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