ET MALWARE Trojan/MSIL.DOTHETUK CnC Activity

Query · suricata

flow:established,to_server;
http.start;
content:"GET /monitorpcsettings/settings.txt HTTP/1.1|0d 0a|Host|3a 20|"; startswith; fast_pattern;
http.header_names; bsize:22;
content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|";
Raw source ET MALWARE Trojan/MSIL.DOTHETUK 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Trojan/MSIL.DOTHETUK CnC Activity";
    flow:established,to_server;
    http.start;
    content:"GET /monitorpcsettings/settings.txt HTTP/1.1|0d 0a|Host|3a 20|"; startswith; fast_pattern;
    http.header_names; bsize:22;
    content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|";
    reference:md5,381cbfba113423382b17f0bb18b9cee9;
    classtype:command-and-control;
    sid:2030411; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_30;
)

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