ET POLICY DNS Query to a Reverse Proxy Service Observed

Query · suricata

dns.query;
content:".portmap."; nocase;
pcre:"/^(?:com|io|host)/Ri";
Raw source ET POLICY DNS Query to a Reverse Proxy Service Observed · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert dns $HOME_NET any -> any any (
    msg:"ET POLICY DNS Query to a Reverse Proxy Service Observed";
    dns.query;
    content:".portmap."; nocase;
    pcre:"/^(?:com|io|host)/Ri";
    classtype:policy-violation;
    sid:2027941; rev:3;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2019_09_03, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_27;
)

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