ET ATTACK_RESPONSE Windows LMHosts File Download - Likely DNSChanger Infection

Query · suricata

flow:established,to_client;
content:"#|0d 0a|#|20|This|20|is|20|a|20|sample|20|HOSTS|20|file|20|used|20|by|20|Microsoft|20|TCP/IP|20|for|20|Windows.|0d 0a|#|0d 0a|#|20|This|20|file|20|contains|20|the|20|mappings|20|of|20|IP|20|addresses|20|to|20|host|20|names.";
Raw source ET ATTACK_RESPONSE Windows LMHosts File Download - Likely DNSChanger Infection · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET ATTACK_RESPONSE Windows LMHosts File Download - Likely DNSChanger Infection";
    flow:established,to_client;
    content:"#|0d 0a|#|20|This|20|is|20|a|20|sample|20|HOSTS|20|file|20|used|20|by|20|Microsoft|20|TCP/IP|20|for|20|Windows.|0d 0a|#|0d 0a|#|20|This|20|file|20|contains|20|the|20|mappings|20|of|20|IP|20|addresses|20|to|20|host|20|names.";
    classtype:trojan-activity;
    sid:2008559; rev:8;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_09_27;
)

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