ET INFO Pagekite Tunneling Service ping Heartbeat

Query · suricata

flow:established,to_server;
http.method;
content:"HEAD";
http.uri; bsize:5;
content:"/ping";
http.header_names;
content:"|0d 0a|Host|0d 0a 0d 0a|";
http.host; bsize:13;
content:"ping.pagekite"; fast_pattern;
threshold:type limit,track by_src,count 5,seconds 300;
target:src_ip;
Raw source ET INFO Pagekite Tunneling Service ping Heartbeat · 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 INFO Pagekite Tunneling Service ping Heartbeat";
    flow:established,to_server;
    http.method;
    content:"HEAD";
    http.uri; bsize:5;
    content:"/ping";
    http.header_names;
    content:"|0d 0a|Host|0d 0a 0d 0a|";
    http.host; bsize:13;
    content:"ping.pagekite"; fast_pattern;
    threshold:type limit,track by_src,count 5,seconds 300;
    reference:url,github.com/pagekite/libpagekite;
    classtype:misc-activity;
    sid:2067928; 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:src_ip;
)

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