ET INFO FUNNULL CDN System Error Landing Page (Domain Not Configured)

Query · suricata

flow:established,to_client;
http.response_body;
content:"Sorry, this is your domain not configured, if you are a webmaster, please add this domain to your CDN instance in FUNNULL."; fast_pattern;
Raw source ET INFO FUNNULL CDN System Error Landing Page (Domain Not Configured) · 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 INFO FUNNULL CDN System Error Landing Page (Domain Not Configured)";
    flow:established,to_client;
    http.response_body;
    content:"Sorry, this is your domain not configured, if you are a webmaster, please add this domain to your CDN instance in FUNNULL."; fast_pattern;
    reference:url,silentpush.com/blog/infrastructure-laundering/;
    reference:url,silentpush.com/blog/triad-nexus-funnull/;
    classtype:bad-unknown;
    sid:2061981; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2025_04_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2025_04_29;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.