ET MALWARE MSIL/Crimson CnC Server Command (info) M1

Query · suricata

flow:established,from_server;
dsize:17;
content:"|0c 00 00 00 00|info=command";
Raw source ET MALWARE MSIL/Crimson CnC Server Command (info) M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE MSIL/Crimson CnC Server Command (info) M1";
    flow:established,from_server;
    dsize:17;
    content:"|0c 00 00 00 00|info=command";
    reference:md5,50eb7ae1d3c075dfc9c9e82a9fa9caf5;
    reference:md5,40c9031ee6bbf2b2306420e9330727a6;
    classtype:command-and-control;
    sid:2035903; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_10_07, deployment Perimeter, malware_family Crimson, performance_impact Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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