ET INFO Check Point FWM/CPMI Unauthenticated Legacy Gui_Client Handshake (SIC DN Disclosure)

Query · suricata

flow:established,to_server;
content:"|59 00 00 00 00 00 00 41|"; depth:8;
content:"|00 00 00 0e|CN|3d|Gui_Client|00|"; fast_pattern; within:18;
target:dest_ip;
Raw source ET INFO Check Point FWM/CPMI Unauthenticated Legacy Gui_Client Handshake (SIC DN Disclosure) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> [$HOME_NET,$HTTP_SERVERS] 18190 (
    msg:"ET INFO Check Point FWM/CPMI Unauthenticated Legacy Gui_Client Handshake (SIC DN Disclosure)";
    flow:established,to_server;
    content:"|59 00 00 00 00 00 00 41|"; depth:8;
    content:"|00 00 00 0e|CN|3d|Gui_Client|00|"; fast_pattern; within:18;
    reference:url,www.rapid7.com/blog/post/ra-check-point-smartconsole-authentication-bypass-technical-analysis-cve-2026-16232/;
    classtype:protocol-command-decode;
    sid:2071348; rev:1;
    metadata:attack_target Server, tls_state plaintext, created_at 2026_07_30, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2026_07_30;
    target:dest_ip;
)

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