ET INFO Pagekite Tunneling Service ping Heartbeat Response

Query · suricata

flow:established,to_client;
http.header;
content:"X-PageKite-UUID|3a 20|"; fast_pattern;
pcre:"/^[a-f0-9]{40}/R";
threshold:type limit,track by_src,count 5,seconds 300;
target:dest_ip;
Raw source ET INFO Pagekite Tunneling Service ping Heartbeat Response · 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 Pagekite Tunneling Service ping Heartbeat Response";
    flow:established,to_client;
    http.header;
    content:"X-PageKite-UUID|3a 20|"; fast_pattern;
    pcre:"/^[a-f0-9]{40}/R";
    threshold:type limit,track by_src,count 5,seconds 300;
    reference:url,github.com/pagekite/libpagekite;
    classtype:misc-activity;
    sid:2067929; rev:1;
    metadata:affected_product Any, attack_target Client_and_Server, tls_state plaintext, created_at 2026_02_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Tunnel, updated_at 2026_02_26;
    target:dest_ip;
)

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